CML simpleType hydrogenCountType

Type Heirarchy
{http://www.w3.org/2001/XMLSchema}decimal (by restriction) {http://www.w3.org/2001/XMLSchema}integer (by restriction) {http://www.w3.org/2001/XMLSchema}nonNegativeInteger (by restriction) {http://www.xml-cml.org/schema/cml2/core}hydrogenCountType

Target Namespace	http://www.xml-cml.org/schema/cml2/core
Declared Namespaces	xmlns:val=http://www.w3.org/1999/XSL/TransformX xmlns:stm=http://www.xml-cml.org/schema/stmml xmlns:xsd=http://www.w3.org/2001/XMLSchema xmlns:xlink=http://www.w3.org/1999/xlink xmlns:cml=http://www.xml-cml.org/schema/cml2/core xmlns=http://www.xml-cml.org/schema/cml2/core

<xsd:simpleType name="hydrogenCountType" id="st.hydrogenCountType">
    <xsd:annotation>
        <xsd:documentation>
            <div class="summary">The total number of hydrogen atoms bonded to an atom.</div>
            <div class="description">
                <p>
The total number of hydrogen atoms bonded to an atom, whether
explicitly included as atoms or not. It is an error to have hydrogen count
less than the explicit hydrogen count. There is no default value and no assumptions
about hydrogen Count can be made if it is not given.
                </p>
                <p>
If hydrogenCount is given on every atom, then the values can be summed to give
the total hydrogenCount for the (sub)molecule. Because of this hydrogenCount
should not be used where hydrogen atoms bridge 2 or more atoms.
                </p>
            </div>
            <div class="example">
                <pre>
<cml title="single atom example">
<atom id="a1" title="O3'" elementType="O"
formalCharge="1" hydrogenCount="1"
isotope="17" occupancy="0.7"
x2="1.2" y2="2.3"
x3="3.4" y3="4.5" z3="5.6"
convention="ABC" dictRef="chem:atom"
>
<scalar title="dipole" dictRef="d:dip"
units="units:debye">0.2</scalar>
<atomParity atomRefs4="a3 a7 a2 a4">1</atomParity>
<electron id="e1" atomRef="a1" count="2"/>
</atom>
</cml>
                </pre>
            </div>
        </xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:nonNegativeInteger"/>
</xsd:simpleType>

The total number of hydrogen atoms bonded to an atom, whether explicitly included as atoms or not. It is an error to have hydrogen count less than the explicit hydrogen count. There is no default value and no assumptions about hydrogen Count can be made if it is not given.

If hydrogenCount is given on every atom, then the values can be summed to give the total hydrogenCount for the (sub)molecule. Because of this hydrogenCount should not be used where hydrogen atoms bridge 2 or more atoms.

<cml title="single atom example">
<atom id="a1" title="O3'" elementType="O"
  formalCharge="1" hydrogenCount="1"
  isotope="17" occupancy="0.7"
  x2="1.2" y2="2.3"
  x3="3.4" y3="4.5" z3="5.6"
  convention="ABC" dictRef="chem:atom"
>
  <scalar title="dipole" dictRef="d:dip"
    units="units:debye">0.2</scalar>
  <atomParity atomRefs4="a3 a7 a2 a4">1</atomParity>
  <electron id="e1" atomRef="a1" count="2"/>
</atom>
</cml>

simpleType {http://www.xml-cml.org/schema/cml2/core}hydrogenCountType

Source

Documentation