Number of point-group operations

Property name: Number of point-group operations
Description: Number of point-group symmetry operations.
Type: integer

For a space-group entry this is the number of operations of the point group of the space group, and it MUST equal the length of the symops_representative list when present.

Point-group entries do not carry this field; their operation count is order. For a space-group entry it is the order of the quotient by the full translation subgroup and MUST equal n_symops / n_centering_translations. Inversion and other improper point operations are included.

{
    "$id": "https://schemas.httk.org/defs/v0.1/properties/pointgroups/n_pointgroup_symops",
    "$schema": "https://schemas.optimade.org/meta/v1.3/optimade/property_definition.json",
    "title": "Number of point-group operations",
    "x-optimade-type": "integer",
    "x-optimade-definition": {
        "kind": "property",
        "version": "0.1.0",
        "format": "1.3",
        "name": "n_pointgroup_symops",
        "label": "n_pointgroup_symops_pointgroups"
    },
    "type": [
        "integer",
        "null"
    ],
    "description": "Number of point-group symmetry operations.\n\nFor a space-group entry this is the number of operations of the point group of the space group, and it MUST equal the length of the `symops_representative` list when present.\n\nPoint-group entries do not carry this field; their operation count is `order`.\nFor a space-group entry it is the order of the quotient by the full translation subgroup and MUST equal `n_symops / n_centering_translations`.\nInversion and other improper point operations are included.",
    "x-optimade-unit": "inapplicable",
    "examples": [
        1,
        2
    ]
}

Number of point-group operations (property)