Module cif 

CIF (Crystallographic Information File) import and export.

Supports reading and writing CIF 1.1 format for crystal structures:

• Cell parameters (_cell_length_a, _cell_angle_alpha, etc.)
• Space group (_symmetry_space_group_name_H-M, _symmetry_Int_Tables_number)
• Atom sites (_atom_site_label, _atom_site_fract_x/y/z, _atom_site_type_symbol)

Structs

CifAtomSite

A single atom site from a CIF file.

CifStructure

A parsed CIF crystal structure.

Functions

parse_cif

Parse a CIF-format string into a crystal structure.

write_cif

Write a CIF-format string from a crystal structure.