<nltos:QNs>
  <nltos:ElecStateLabel>{0,1}</nltos:ElecStateLabel>
  <nltos:elecSym group="">{0,1}</nltos:elecSym>
  <nltos:S>{0,1}</nltos:S>
  <nltos:v1>{0,1}</nltos:v1>
  <nltos:v2>{0,1}</nltos:v2>
  <nltos:v3>{0,1}</nltos:v3>
  <nltos:J>{0,1}</nltos:J>
  <nltos:N>{0,1}</nltos:N>
  <nltos:Ka>{0,1}</nltos:Ka>
  <nltos:Kc>{0,1}</nltos:Kc>
  <nltos:I id="" nuclearSpinRef="">{0,1}</nltos:I>
  <nltos:F1 nuclearSpinRef="">{0,1}</nltos:F1>
  <nltos:F2 nuclearSpinRef="">{0,1}</nltos:F2>
  <nltos:F nuclearSpinRef="">{0,1}</nltos:F>
  <nltos:r name="">{0,unbounded}</nltos:r>
  <nltos:parity>{0,1}</nltos:parity>
  <nltos:kronigParity>{0,1}</nltos:kronigParity>
  <nltos:asSym>{0,1}</nltos:asSym>
</nltos:QNs>

<xs:element name="QNs" type="nltos:QNsType">
  <xs:annotation>
    <xs:documentation>A list of quantum numbers for non-linear triatomic, open-shell molecules</xs:documentation>
  </xs:annotation>
  <!-- the name attribute to r must be unique within each state -->
  <xs:unique name="r-name">
    <xs:selector xpath="nltos:r"/>
    <xs:field xpath="@name"/>
  </xs:unique>
</xs:element>

<xs:element name="ElecStateLabel" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The label of the electronic state: X, a, A, b, etc...</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="elecSym" type="ctypes:SymmetrySpeciesType" minOccurs="0" maxOccurs="1">
  <xs:annotation>
    <xs:documentation>Symmetry species of the electronic wavefunction</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="S" type="ctypes:AMType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The total electronic spin angular momentum quantum number</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="v1" type="xs:nonNegativeInteger" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The vibrational quantum number, v1</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="v2" type="xs:nonNegativeInteger" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The vibrational quantum number, v2</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="v3" type="xs:nonNegativeInteger" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The vibrational quantum number, v3</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="J" type="ctypes:AMType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The rotational quantum number, J, associated with the total angular momentum excluding nuclear spin</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="N" type="xs:nonNegativeInteger" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The quantum number associated with the total angular momentum excluding electronic and nuclear spin: J = N + S</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="Ka" type="xs:nonNegativeInteger" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The rotational quantum label, Ka, correlating to K in the prolate symmetric top limit</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="Kc" type="xs:nonNegativeInteger" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The rotational quantum label, Kc, correlating to K in the oblate symmetric top limit</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="I" type="ctypes:CoupledNuclearSpinAMType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The quantum number associated with the total nuclear spin angular momentum resulting from the coupling of two or more individual nuclear spin angular momenta: I = I1 + I2 + ...</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="F1" type="ctypes:NuclearSpinAMType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The quantum number, F1, associated with the intermediate angular momentum due to coupling the rotational angular momentum with one nuclear spin. F1 may not be a good quantum number.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="F2" type="ctypes:NuclearSpinAMType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The quantum number, F2, associated with the intermediate angular momentum due to coupling the rotational angular momentum with one nuclear spin. F2 may not be a good quantum number.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="F" type="ctypes:NuclearSpinAMType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The quantum number, F, associated with the total angular momentum including nuclear spin</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="r" type="ctypes:RankingType" minOccurs="0" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>A named, non-negative integer label identifying the state if no other good quantum numbers or symmetries are known. It is possible to have more than one r defining a state, but their name attributes have to be unique.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="parity" type="ctypes:PMParityType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Total parity with respect to inversion through the molecular centre of mass in the laboratory coordinate system</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="kronigParity" type="ctypes:EFParityType" minOccurs="0" maxOccurs="1">
  <xs:annotation>
    <xs:documentation>Kronig parity ('e' or 'f')</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="asSym" type="ctypes:ASParityType" minOccurs="0" maxOccurs="1">
  <xs:annotation>
    <xs:documentation>Symmetry of the rovibronic wavefunction for diatomic molecules with a centre of inversion: a or s such that the total wavefunction including nuclear spin is symmetric or antisymmetric under permutation of the identical nuclei, according to whether they are bosons or fermions respectively.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:complexType name="QNsType">
  <xs:sequence>
    <!-- ElecStateLabel -->
    <xs:element name="ElecStateLabel" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The label of the electronic state: X, a, A, b, etc...</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- elecSym -->
    <xs:element name="elecSym" type="ctypes:SymmetrySpeciesType" minOccurs="0" maxOccurs="1">
      <xs:annotation>
        <xs:documentation>Symmetry species of the electronic wavefunction</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- S -->
    <xs:element name="S" type="ctypes:AMType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The total electronic spin angular momentum quantum number</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- v1 -->
    <xs:element name="v1" type="xs:nonNegativeInteger" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The vibrational quantum number, v1</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- v2 -->
    <xs:element name="v2" type="xs:nonNegativeInteger" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The vibrational quantum number, v2</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- v3 -->
    <xs:element name="v3" type="xs:nonNegativeInteger" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The vibrational quantum number, v3</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- J -->
    <xs:element name="J" type="ctypes:AMType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The rotational quantum number, J, associated with the total angular momentum excluding nuclear spin</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- N -->
    <xs:element name="N" type="xs:nonNegativeInteger" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The quantum number associated with the total angular momentum excluding electronic and nuclear spin: J = N + S</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- Ka -->
    <xs:element name="Ka" type="xs:nonNegativeInteger" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The rotational quantum label, Ka, correlating to K in the prolate symmetric top limit</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- Kc -->
    <xs:element name="Kc" type="xs:nonNegativeInteger" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The rotational quantum label, Kc, correlating to K in the oblate symmetric top limit</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- I -->
    <xs:element name="I" type="ctypes:CoupledNuclearSpinAMType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The quantum number associated with the total nuclear spin angular momentum resulting from the coupling of two or more individual nuclear spin angular momenta: I = I1 + I2 + ...</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- F1 -->
    <xs:element name="F1" type="ctypes:NuclearSpinAMType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The quantum number, F1, associated with the intermediate angular momentum due to coupling the rotational angular momentum with one nuclear spin. F1 may not be a good quantum number.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- F2 -->
    <xs:element name="F2" type="ctypes:NuclearSpinAMType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The quantum number, F2, associated with the intermediate angular momentum due to coupling the rotational angular momentum with one nuclear spin. F2 may not be a good quantum number.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- F -->
    <xs:element name="F" type="ctypes:NuclearSpinAMType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The quantum number, F, associated with the total angular momentum including nuclear spin</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- r -->
    <xs:element name="r" type="ctypes:RankingType" minOccurs="0" maxOccurs="unbounded">
      <xs:annotation>
        <xs:documentation>A named, non-negative integer label identifying the state if no other good quantum numbers or symmetries are known. It is possible to have more than one r defining a state, but their name attributes have to be unique.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- parity -->
    <xs:element name="parity" type="ctypes:PMParityType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Total parity with respect to inversion through the molecular centre of mass in the laboratory coordinate system</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- kronigParity -->
    <xs:element name="kronigParity" type="ctypes:EFParityType" minOccurs="0" maxOccurs="1">
      <xs:annotation>
        <xs:documentation>Kronig parity ('e' or 'f')</xs:documentation>
      </xs:annotation>
    </xs:element>
    <!-- asSym -->
    <xs:element name="asSym" type="ctypes:ASParityType" minOccurs="0" maxOccurs="1">
      <xs:annotation>
        <xs:documentation>Symmetry of the rovibronic wavefunction for diatomic molecules with a centre of inversion: a or s such that the total wavefunction including nuclear spin is symmetric or antisymmetric under permutation of the identical nuclei, according to whether they are bosons or fermions respectively.</xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:sequence>
</xs:complexType>

<xs:complexType name="ThisCase" abstract="true">
  <xs:complexContent>
    <xs:restriction base="ctypes:BaseCase">
      <xs:attribute name="caseID" type="xs:string" use="required" fixed="nltos"/>
    </xs:restriction>
  </xs:complexContent>
</xs:complexType>

<xs:complexType name="Case">
  <xs:complexContent>
    <xs:extension base="nltos:ThisCase">
      <xs:sequence>
        <xs:element ref="nltos:QNs" minOccurs="1" maxOccurs="1"/>
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>

<xs:attribute name="caseID" type="xs:string" use="required" fixed="nltos"/>