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molecule.py
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molecule.py
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"""
The json-schema for the Molecule definition
"""
molecule = {
"$schema": "http://json-schema.org/draft-04/schema#",
"name": "qc_schema_molecule",
"version": "dev",
"description": "The MolSSI Quantum Chemistry Molecular Schema",
"type": "object",
"properties": {
"symbols": {
"description": "(nat, ) atom symbols in title case.",
"type": "array",
"items": {
"type": "string"
}
},
"geometry": {
"description": "(3 * nat, ) vector of XYZ coordinates of the atoms.",
"type": "array",
"items": {
"type": "number"
}
},
"masses": {
"description": "(nat, ) atom masses [u]; canonical weights assumed if not given.",
"type": "array",
"items": {
"type": "number"
}
},
"atomic_numbers": {
"description": "(nat, ) atomic numbers, nuclear charge for atoms.",
"type": "array",
"items": {
"type": "number",
"multipleOf": 1.0
}
},
"mass_numbers": {
"description": "(nat, ) mass numbers for atoms, if known isotope, else -1.",
"type": "array",
"items": {
"type": "number",
"multipleOf": 1.0
}
},
"atom_labels": {
"description": "(nat, ) atom labels with any user tagging information.",
"type": "array",
"items": {
"type": "string"
}
},
"name": {
"description": "The name of the molecule.",
"type": "string"
},
"comment": {
"description": "Any additional comment one would attach to the molecule.",
"type": "string"
},
"molecular_charge": {
"description": "The overall charge of the molecule.",
"type": "number",
"default": 0.0
},
"molecular_multiplicity": {
"description": "The overall multiplicity of the molecule.",
"type": "number",
"multipleOf": 1.0,
"default": 1
},
"real": {
"description": "(nat, ) list describing if atoms are real (T) or ghost (F).",
"type": "array",
"items": {
"type": "boolean"
}
},
"connectivity": {
"description": "A list describing bonds within a molecule. Each element is a (atom1, atom2, order) tuple.",
"type": "array",
"items": {
"type": "array",
"minItems": 3,
"maxItems": 3,
"items": {
"type": "number",
"minimum": 0,
"maximum": 5,
}
}
},
"fragments": {
"description":
"(nfr, -1) list of indices (0-indexed) grouping atoms into molecular fragments within the topology.",
"type": "array",
"items": {
"type": "array",
"items": {
"type": "number",
"multipleOf": 1.0
}
}
},
"fragment_charges": {
"description": "(nfr, ) list of charges associated with each fragment tuple.",
"type": "array",
"items": {
"type": "number"
}
},
"fragment_multiplicities": {
"description": "(nfr, ) list of multiplicities associated with each fragment tuple.",
"type": "array",
"items": {
"type": "number",
"multipleOf": 1.0
}
},
"fix_com": {
"description": "Whether translation of geometry is allowed (fix F) or disallowed (fix T).",
"type": "boolean",
"default": False
},
"fix_orientation": {
"description": "Whether rotation of geometry is allowed (fix F) or disallowed (fix T).",
"type": "boolean",
"default": False
},
"fix_symmetry":{
"description": "Maximal point group symmetry at which `geometry` should be treated. Lowercase.",
"type": "string"
},
"provenance": {
"type": "object",
"$ref": "#/definitions/provenance"
}
},
"required": ["symbols", "geometry"],
"description": "The physical cartesian representation of the molecular system"
}