Module space_groups 

Crystallographic space groups (230 groups).

Each space group entry contains:

• ITC number (1–230)
• Hermann-Mauguin symbol
• Crystal system
• Lattice type (P, I, F, C, R, A, B)
• Point group
• Symmetry operations (as rotation matrix + translation vector)

Structs

SpaceGroup

A crystallographic space group.

SymmetryOp

A symmetry operation: rotation matrix (3×3 integers) + translation vector (rational, stored as f64).

Enums

CrystalSystem

Crystal system classification.

LatticeType

Lattice centering type.

Functions

all_space_groups

Get all 230 space group numbers and symbols.

crystal_system_for_number

Get crystal system for a given space group number.

space_group_by_number

Look up a space group by ITC number.

space_group_by_symbol

Look up a space group by Hermann-Mauguin symbol.