data_1528938
_publ_section_title
;
 The crystal structure of germanium difluoride
;
_journal_name_full
;
Journal of the Chemical Society A: Inorganic, Physical, Theoretical (1966-1971)
;
_journal_page_first              30
_journal_page_last               33
_journal_volume                  1966
_journal_year                    1966
_chemical_formula_sum            'F2 Ge'
_chemical_name_systematic        'Ge F2'
_space_group_IT_number           19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.682
_cell_length_b                   5.158
_cell_length_c                   8.312
_cell_volume                     200.733
_citation_journal_id_ASTM        JCSIAP
_cod_data_source_file            Trotter_JCSIAP_1966_1787.cif
_cod_data_source_block           F2Ge1
_cod_original_cell_volume        200.7328
_cod_chemical_formula_sum_orig   'F2 Ge1'
_cod_database_code               1528938
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y,z+1/2
x+1/2,-y+1/2,-z
-x,y+1/2,-z+1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ge1 Ge+2 0.234 0.0083 0.1311 1 0.0
F1 F-1 -0.029 0.083 -0.018 1 0.0
F2 F-1 0.067 0.246 0.279 1 0.0
