PDBx:refln

Element Information

Model

ALL(PDBx:A_calc{0,1} PDBx:A_calc_au{0,1} PDBx:A_meas{0,1} PDBx:A_meas_au{0,1} PDBx:B_calc{0,1} PDBx:B_calc_au{0,1} PDBx:B_meas{0,1} PDBx:B_meas_au{0,1} PDBx:F_calc{0,1} PDBx:F_calc_au{0,1} PDBx:F_meas{0,1} PDBx:F_meas_au{0,1} PDBx:F_meas_sigma{0,1} PDBx:F_meas_sigma_au{0,1} PDBx:F_squared_calc{0,1} PDBx:F_squared_meas{0,1} PDBx:F_squared_sigma{0,1} PDBx:class_code{0,1} PDBx:crystal_id{0,1} PDBx:d_spacing{0,1} PDBx:fom{0,1} PDBx:include_status{0,1} PDBx:intensity_calc{0,1} PDBx:intensity_meas{0,1} PDBx:intensity_sigma{0,1} PDBx:mean_path_length_tbar{0,1} PDBx:pdbx_DELFWT{0,1} PDBx:pdbx_DELPHWT{0,1} PDBx:pdbx_FWT{0,1} PDBx:pdbx_F_calc_part_solvent{0,1} PDBx:pdbx_F_calc_with_solvent{0,1} PDBx:pdbx_F_minus{0,1} PDBx:pdbx_F_minus_sigma{0,1} PDBx:pdbx_F_plus{0,1} PDBx:pdbx_F_plus_sigma{0,1} PDBx:pdbx_HL_A_iso{0,1} PDBx:pdbx_HL_B_iso{0,1} PDBx:pdbx_HL_C_iso{0,1} PDBx:pdbx_HL_D_iso{0,1} PDBx:pdbx_I_minus{0,1} PDBx:pdbx_I_minus_sigma{0,1} PDBx:pdbx_I_plus{0,1} PDBx:pdbx_I_plus_sigma{0,1} PDBx:pdbx_PHWT{0,1} PDBx:pdbx_anom_difference{0,1} PDBx:pdbx_anom_difference_sigma{0,1} PDBx:pdbx_diffrn_id{0,1} PDBx:pdbx_fiber_F_meas_au{0,1} PDBx:pdbx_fiber_coordinate{0,1} PDBx:pdbx_fiber_layer{0,1} PDBx:pdbx_phase_calc_part_solvent{0,1} PDBx:pdbx_phase_calc_with_solvent{0,1} PDBx:pdbx_r_free_flag{0,1} PDBx:phase_calc{0,1} PDBx:phase_meas{0,1} PDBx:refinement_status{0,1} PDBx:scale_group_code{0,1} PDBx:sint_over_lambda{0,1} PDBx:status{0,1} PDBx:symmetry_epsilon{0,1} PDBx:symmetry_multiplicity{0,1} PDBx:wavelength{0,1} PDBx:wavelength_id{0,1})

Attributes

QName Type Fixed Default Use Inheritable Annotation
index_h xsd:integer required
Miller index h of the reflection. The values of the Miller
indices in the REFLN category must correspond to the cell
defined by cell lengths and cell angles in the CELL category.
index_k xsd:integer required
Miller index k of the reflection. The values of the Miller
indices in the REFLN category must correspond to the cell
defined by cell lengths and cell angles in the CELL category.
index_l xsd:integer required
Miller index l of the reflection. The values of the Miller
indices in the REFLN category must correspond to the cell
defined by cell lengths and cell angles in the CELL category.

Source

<xsd:element name="refln" minOccurs="0" maxOccurs="unbounded">
  <xsd:complexType>
    <xsd:all>
      <xsd:element name="A_calc" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of structure-factor component A in electrons. A = |F|cos(phase)</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="A_calc_au" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of structure-factor component A in arbitrary units. A = |F|cos(phase)</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="A_meas" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured value of structure-factor component A in electrons. A = |F|cos(phase)</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="A_meas_au" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured value of structure-factor component A in arbitrary units. A = |F|cos(phase)</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="B_calc" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of structure-factor component B in electrons. B = |F|sin(phase)</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="B_calc_au" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of structure-factor component B in arbitrary units. B = |F|sin(phase)</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="B_meas" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured value of structure-factor component B in electrons. B = |F|sin(phase)</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="B_meas_au" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured value of structure-factor component B in arbitrary units. B = |F|sin(phase)</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_calc" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of the structure factor in electrons.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_calc_au" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of the structure factor in arbitrary units.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_meas" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured value of the structure factor in electrons.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_meas_au" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured value of the structure factor in arbitrary units.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_meas_sigma" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The standard uncertainty (estimated standard deviation) of attribute F_meas in category refln in electrons.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_meas_sigma_au" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The standard uncertainty (estimated standard deviation) of attribute F_meas_au in category refln in arbitrary units.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_squared_calc" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of the squared structure factor in electrons squared.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons_squared" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_squared_meas" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured value of the squared structure factor in electrons squared.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons_squared" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="F_squared_sigma" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The standard uncertainty (derived from measurement) of the squared structure factor in electrons squared.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="electrons_squared" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="class_code" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The code identifying the class to which this reflection has been assigned. This code must match a value of attribute code. in category reflns_class Reflections may be grouped into classes for a variety of purposes. For example, for modulated structures each reflection class may be defined by the number m=sum|m~i~|, where the m~i~ are the integer coefficients that, in addition to h,k,l, index the corresponding diffraction vector in the basis defined for the reciprocal lattice.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="crystal_id" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">This data item is a pointer to attribute id in category exptl_crystal in the EXPTL_CRYSTAL category.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="d_spacing" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The d spacing in angstroms for this reflection. This is related to the (sin theta)/lambda value by the expression attribute d_spacing in category refln = 2/(_refln.sint/lambda).</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:decimal">
            <xsd:minInclusive value="0.0"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="fom" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The figure of merit m for this reflection. int P~alpha~ exp(i*alpha) dalpha m = -------------------------------- int P~alpha~ dalpha P~a~ = the probability that the phase angle a is correct int is taken over the range alpha = 0 to 2 pi.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:decimal">
            <xsd:minInclusive value="0.0"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="include_status" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">Classification of a reflection so as to indicate its status with respect to inclusion in the refinement and the calculation of R factors.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:string">
            <xsd:enumeration value="o"/>
            <xsd:enumeration value="<"/>
            <xsd:enumeration value="-"/>
            <xsd:enumeration value="x"/>
            <xsd:enumeration value="h"/>
            <xsd:enumeration value="l"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="intensity_calc" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of the intensity in the same units as attribute intensity_meas in category refln.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="intensity_meas" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured value of the intensity.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="intensity_sigma" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The standard uncertainty (derived from measurement) of the intensity in the same units as attribute intensity_meas in category refln.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="mean_path_length_tbar" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">Mean path length in millimetres through the crystal for this reflection.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:decimal">
            <xsd:minInclusive value="0.0"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="pdbx_DELFWT" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The weighted structure factor amplitude for the mFo-DFc map.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_DELPHWT" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The weighted phase for the mFo-DFc map.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_FWT" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The weighted structure factor amplitude for the 2mFo-DFc map.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_F_calc_part_solvent" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of the structure factor in arbitrary units reflecting only the contribution of the solvent model.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="pdbx_F_calc_with_solvent" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated value of the structure factor in arbitrary units including the contribution of the solvent model.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="arbitrary" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="pdbx_F_minus" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The structure factor F(-h,-k,-l) of the Friedel pair.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_F_minus_sigma" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The standard uncertainty (derived from measurement) of the structure factor F(-h,-k,-l) of the Friedel pair.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_F_plus" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The structure factor F(h,k,l) of the Friedel pair.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_F_plus_sigma" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The standard uncertainty (derived from measurement) of the structure factor F(h,k,l) of the Friedel pair.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_HL_A_iso" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The isomorphous Hendrickson-Lattman coefficient A~iso~ for this reflection. Ref: Hendrickson, W. A. & Lattman, E. E. (1970). Acta Cryst. B26, 136-143.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_HL_B_iso" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The isomorphous Hendrickson-Lattman coefficient B~iso~ for this reflection. Ref: Hendrickson, W. A. & Lattman, E. E. (1970). Acta Cryst. B26, 136-143.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_HL_C_iso" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The isomorphous Hendrickson-Lattman coefficient C~iso~ for this reflection. Ref: Hendrickson, W. A. & Lattman, E. E. (1970). Acta Cryst. B26, 136-143.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_HL_D_iso" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The isomorphous Hendrickson-Lattman coefficient D~iso~ for this reflection. Ref: Hendrickson, W. A. & Lattman, E. E. (1970). Acta Cryst. B26, 136-143.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_I_minus" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The intensity of the I(-h,-k,-l) partner of the Friedel pair.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_I_minus_sigma" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The standard uncertainty (derived from measurement) of the intensity I(-h,-k,-l) partner of the Friedel pair.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_I_plus" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The intensity of the I(h,k,l) partner of the Friedel pair.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_I_plus_sigma" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The standard uncertainty (derived from measurement) of the intensity I(h,k,l) partner of the Friedel pair.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_PHWT" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The weighted phase for the 2mFo-DFc map.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_anom_difference" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The amplitude difference of the Friedel pair, D(hkl) = F(hkl) - F(-h-k-l).</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_anom_difference_sigma" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The the standard deviation of the amplitude difference of the Friedel pair, D(hkl) = F(hkl) - F(-h-k-l).</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_diffrn_id" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">An optional identifier for the diffraction data set containing this reflection.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_fiber_F_meas_au" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured diffraction amplitude for this fiber reflection in arbitrary units.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_fiber_coordinate" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:decimal">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The coordinate position in reciprocal space along the fiber layer line for this reflection.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_fiber_layer" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:integer">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The fiber layer line for this reflection.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="pdbx_phase_calc_part_solvent" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated structure-factor phase in degrees reflecting only the contribution of the solvent model.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="degrees" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="pdbx_phase_calc_with_solvent" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated structure-factor phase in degrees including the contribution of the solvent model.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="degrees" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="pdbx_r_free_flag" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:integer">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The R-free flag originally assigned to the reflection. The convention used for labeling the work and test sets differs depending on choice of data processing software and refinement program.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="phase_calc" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The calculated structure-factor phase in degrees.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="degrees" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="phase_meas" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The measured structure-factor phase in degrees.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:simpleContent>
            <xsd:extension base="xsd:decimal">
              <xsd:attribute fixed="degrees" name="units" type="xsd:string" use="optional"/>
            </xsd:extension>
          </xsd:simpleContent>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="refinement_status" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">Status of a reflection in the structure-refinement process.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:string">
            <xsd:enumeration value="incl"/>
            <xsd:enumeration value="excl"/>
            <xsd:enumeration value="extn"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="scale_group_code" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">This data item is a pointer to attribute group_code in category reflns_scale in the REFLNS_SCALE category.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="sint_over_lambda" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The (sin theta)/lambda value in reciprocal angstroms for this reflection.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:decimal">
            <xsd:minInclusive value="0.0"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="status" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">Classification of a reflection so as to indicate its status with respect to inclusion in the refinement and the calculation of R factors.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:string">
            <xsd:enumeration value="o"/>
            <xsd:enumeration value="<"/>
            <xsd:enumeration value="-"/>
            <xsd:enumeration value="x"/>
            <xsd:enumeration value="h"/>
            <xsd:enumeration value="l"/>
            <xsd:enumeration value="f"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="symmetry_epsilon" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The symmetry reinforcement factor corresponding to the number of times the reflection indices are generated identically from the space-group symmetry operations.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:integer">
            <xsd:minInclusive value="1"/>
            <xsd:maxInclusive value="48"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="symmetry_multiplicity" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The number of symmetry-equivalent reflections. The equivalent reflections have the same structure-factor magnitudes because of the space-group symmetry and the Friedel relationship.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:integer">
            <xsd:minInclusive value="1"/>
            <xsd:maxInclusive value="48"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="wavelength" minOccurs="0" maxOccurs="1" nillable="true">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">The mean wavelength in angstroms of radiation used to measure this reflection. This is an important parameter for data collected using energy-dispersive detectors or the Laue method.</xsd:documentation>
        </xsd:annotation>
        <xsd:simpleType>
          <xsd:restriction base="xsd:decimal">
            <xsd:minInclusive value="0.0"/>
          </xsd:restriction>
        </xsd:simpleType>
      </xsd:element>
      <xsd:element name="wavelength_id" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation xml:lang="en">This data item is a pointer to attribute wavelength_id in category diffrn_radiation in the DIFFRN_RADIATION category.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:all>
    <xsd:attribute name="index_h" use="required" type="xsd:integer">
      <xsd:annotation>
        <xsd:documentation xml:lang="en">Miller index h of the reflection. The values of the Miller indices in the REFLN category must correspond to the cell defined by cell lengths and cell angles in the CELL category.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
    <xsd:attribute name="index_k" use="required" type="xsd:integer">
      <xsd:annotation>
        <xsd:documentation xml:lang="en">Miller index k of the reflection. The values of the Miller indices in the REFLN category must correspond to the cell defined by cell lengths and cell angles in the CELL category.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
    <xsd:attribute name="index_l" use="required" type="xsd:integer">
      <xsd:annotation>
        <xsd:documentation xml:lang="en">Miller index l of the reflection. The values of the Miller indices in the REFLN category must correspond to the cell defined by cell lengths and cell angles in the CELL category.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
  </xsd:complexType>
</xsd:element>

Sample