Skip to content

Class: atom occurrence (AtomOccurrence)

An occurrence of an atom in the context of a particular molecule. For example, one of two occurrences of oxygen in nitrate

URI: chemrof:AtomOccurrence

 classDiagram
    class AtomOccurrence
    click AtomOccurrence href "../AtomOccurrence"
      OwlClass <|-- AtomOccurrence
        click OwlClass href "../OwlClass"
      ChemicalRelationship <|-- AtomOccurrence
        click ChemicalRelationship href "../ChemicalRelationship"

      AtomOccurrence : coordination_number

      AtomOccurrence : formal_charge

      AtomOccurrence : name

      AtomOccurrence : occurrence_of




    AtomOccurrence --> "1" Atom : occurrence_of
    click Atom href "../Atom"


      AtomOccurrence : owl_subclass_of




    AtomOccurrence --> "0..1" OwlClass : owl_subclass_of
    click OwlClass href "../OwlClass"


      AtomOccurrence : oxidation_number

      AtomOccurrence : valence

Inheritance

Slots

Name Cardinality and Range Description Inheritance
name 1
String
direct
occurrence_of 1
Atom
direct
valence 0..1
Integer
the number of electrons that an atom uses in bonding [https://doi direct
oxidation_number 0..1
Integer
The charge remaining on an atom when all ligands are removed heterolytically ... direct
formal_charge 0..1
Integer
The charge remaining on an atom when all ligands are removed homolytically direct
coordination_number 0..1
Integer
The number of atoms bonded to the atom of interest direct
owl_subclass_of 0..1
OwlClass
Holds between C and P if C owl:subClassOf P OwlClass

Usages

used by used in type used
SmallMolecule has_atom_occurrences range AtomOccurrence
Macromolecule has_atom_occurrences range AtomOccurrence
Peptide has_atom_occurrences range AtomOccurrence
Protein has_atom_occurrences range AtomOccurrence
Glycan has_atom_occurrences range AtomOccurrence
MonomolecularPolymer has_atom_occurrences range AtomOccurrence
Copolymer has_atom_occurrences range AtomOccurrence
Homopolymer has_atom_occurrences range AtomOccurrence
Molecule has_atom_occurrences range AtomOccurrence
NaturalProduct has_atom_occurrences range AtomOccurrence
MolecularSpecies has_atom_occurrences range AtomOccurrence
NonSpeciesMolecule has_atom_occurrences range AtomOccurrence
MoleculeByChargeState has_atom_occurrences range AtomOccurrence
PolyatomicIon has_atom_occurrences range AtomOccurrence
MolecularCation has_atom_occurrences range AtomOccurrence
MolecularAnion has_atom_occurrences range AtomOccurrence
NetUnchargedMolecule has_atom_occurrences range AtomOccurrence
Zwitterion has_atom_occurrences range AtomOccurrence
NeutralMolecule has_atom_occurrences range AtomOccurrence
AtomicBond subject range AtomOccurrence
AtomicBond object range AtomOccurrence
Ester has_atom_occurrences range AtomOccurrence
Stereoisomer has_atom_occurrences range AtomOccurrence
Enantiomer has_atom_occurrences range AtomOccurrence
Allotrope has_atom_occurrences range AtomOccurrence

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/chemrof

Mappings

Mapping Type Mapped Value
self chemrof:AtomOccurrence
native chemrof:AtomOccurrence

LinkML Source

Direct

name: AtomOccurrence
description: An occurrence of an atom in the context of a particular molecule. For
  example, one of two occurrences of oxygen in nitrate
title: atom occurrence
from_schema: https://w3id.org/chemrof
is_a: ChemicalRelationship
mixins:
- OwlClass
attributes:
  name:
    name: name
    from_schema: https://w3id.org/chemrof
    identifier: true
    domain_of:
    - DomainEntity
    - GroupingClass
    - Atom
    - AtomOccurrence
    required: true
  occurrence_of:
    name: occurrence_of
    from_schema: https://w3id.org/chemrof
    domain_of:
    - SubatomicParticleOccurrence
    - AtomOccurrence
    range: Atom
    required: true
  valence:
    name: valence
    description: the number of electrons that an atom uses in bonding [https://doi.org/10.1021%2Fed083p791]
    comments:
    - 'forumla: number of electrons in valence shell of free atom  number of non-bonding
      electrons on atom in molecule'
    - 'forumla: number of bonds + formal charge'
    - 'example:  In methane, carbon has a valence of 4, and each hydrogen has a valency
      of 1'
    - 'example:  In in ammonia, nitrogen has a valence of 3, each each hydrogen has
      a valency of 1'
    - 'todo: determine if this is in CHEBI and how to map'
    from_schema: https://w3id.org/chemrof
    aliases:
    - atom valency
    - valency
    domain_of:
    - AtomOccurrence
    range: integer
  oxidation_number:
    name: oxidation_number
    description: The charge remaining on an atom when all ligands are removed heterolytically
      in their closed form, with the electrons being transferred to the more electronegative
      partner; homonuclear bonds do not contribute to the oxidation number. [https://doi.org/10.1021%2Fed083p791]
    from_schema: https://w3id.org/chemrof
    aliases:
    - oxidation
    - oxidation state
    exact_mappings:
    - goldbook:O04363
    domain_of:
    - AtomOccurrence
    range: integer
  formal_charge:
    name: formal_charge
    description: The charge remaining on an atom when all ligands are removed homolytically.
      [https://doi.org/10.1021%2Fed083p791]
    from_schema: https://w3id.org/chemrof
    aliases:
    - charge
    domain_of:
    - AtomOccurrence
    range: integer
  coordination_number:
    name: coordination_number
    description: The number of atoms bonded to the atom of interest. [https://doi.org/10.1021%2Fed083p791]
    from_schema: https://w3id.org/chemrof
    aliases:
    - coordination
    domain_of:
    - AtomOccurrence
    range: integer

Induced

name: AtomOccurrence
description: An occurrence of an atom in the context of a particular molecule. For
  example, one of two occurrences of oxygen in nitrate
title: atom occurrence
from_schema: https://w3id.org/chemrof
is_a: ChemicalRelationship
mixins:
- OwlClass
attributes:
  name:
    name: name
    from_schema: https://w3id.org/chemrof
    identifier: true
    alias: name
    owner: AtomOccurrence
    domain_of:
    - DomainEntity
    - GroupingClass
    - Atom
    - AtomOccurrence
    range: string
    required: true
  occurrence_of:
    name: occurrence_of
    from_schema: https://w3id.org/chemrof
    alias: occurrence_of
    owner: AtomOccurrence
    domain_of:
    - SubatomicParticleOccurrence
    - AtomOccurrence
    range: Atom
    required: true
  valence:
    name: valence
    description: the number of electrons that an atom uses in bonding [https://doi.org/10.1021%2Fed083p791]
    comments:
    - 'forumla: number of electrons in valence shell of free atom  number of non-bonding
      electrons on atom in molecule'
    - 'forumla: number of bonds + formal charge'
    - 'example:  In methane, carbon has a valence of 4, and each hydrogen has a valency
      of 1'
    - 'example:  In in ammonia, nitrogen has a valence of 3, each each hydrogen has
      a valency of 1'
    - 'todo: determine if this is in CHEBI and how to map'
    from_schema: https://w3id.org/chemrof
    aliases:
    - atom valency
    - valency
    alias: valence
    owner: AtomOccurrence
    domain_of:
    - AtomOccurrence
    range: integer
  oxidation_number:
    name: oxidation_number
    description: The charge remaining on an atom when all ligands are removed heterolytically
      in their closed form, with the electrons being transferred to the more electronegative
      partner; homonuclear bonds do not contribute to the oxidation number. [https://doi.org/10.1021%2Fed083p791]
    from_schema: https://w3id.org/chemrof
    aliases:
    - oxidation
    - oxidation state
    exact_mappings:
    - goldbook:O04363
    alias: oxidation_number
    owner: AtomOccurrence
    domain_of:
    - AtomOccurrence
    range: integer
  formal_charge:
    name: formal_charge
    description: The charge remaining on an atom when all ligands are removed homolytically.
      [https://doi.org/10.1021%2Fed083p791]
    from_schema: https://w3id.org/chemrof
    aliases:
    - charge
    alias: formal_charge
    owner: AtomOccurrence
    domain_of:
    - AtomOccurrence
    range: integer
  coordination_number:
    name: coordination_number
    description: The number of atoms bonded to the atom of interest. [https://doi.org/10.1021%2Fed083p791]
    from_schema: https://w3id.org/chemrof
    aliases:
    - coordination
    alias: coordination_number
    owner: AtomOccurrence
    domain_of:
    - AtomOccurrence
    range: integer
  owl_subclass_of:
    name: owl_subclass_of
    description: 'Holds between C and P if C owl:subClassOf P. Note that in this model,
      most classes are metaclasses (see ''owl class''), where these metaclasses may
      represent *groupings* or specific countable elements or species. We provide
      two different sub-properties of subclass of for two cases: (1) subtype_of, which
      connects grouping classes (e.g. alkane is_a hydrocarbon; alpha-amino-acid is_a
      amino-acid), (2) classified_by, which connects a specific element to a grouping
      class (e.g. methane is_a hydrocarbon; iron is_a metal; serine is_a amino-acid)'
    title: owl subclass of
    from_schema: https://w3id.org/chemrof
    aliases:
    - is a
    exact_mappings:
    - rdfs:subClassOf
    narrow_mappings:
    - bo:family
    rank: 1000
    is_a: classification_relationship
    mixin: true
    domain: OwlClass
    alias: owl_subclass_of
    owner: AtomOccurrence
    domain_of:
    - OwlClass
    range: OwlClass