data_1527113
_publ_section_title
;
 Die Struktur des Kaliumnickelfluorids, K2 Ni F4
;
_journal_name_full               'Zeitschrift fuer Elektrochemie'
_journal_page_first              545
_journal_page_last               551
_journal_volume                  59
_journal_year                    1955
_chemical_formula_sum            'F4 K2 Ni'
_chemical_name_systematic        'K2 (Ni F4)'
_space_group_IT_number           139
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.006
_cell_length_b                   4.006
_cell_length_c                   13.076
_cell_volume                     209.844
_citation_journal_id_ASTM        ZEELAI
_cod_data_source_file            Balz_ZEELAI_1955_1544.cif
_cod_data_source_block           F4K2Ni1
_cod_original_cell_volume        209.8441
_cod_chemical_formula_sum_orig   'F4 K2 Ni1'
_cod_database_code               1527113
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x,z
-x,-y,z
y,-x,z
x,-y,-z
y,x,-z
-x,y,-z
-y,-x,-z
-x,-y,-z
y,-x,-z
x,y,-z
-y,x,-z
-x,y,z
-y,-x,z
x,-y,z
y,x,z
x+1/2,y+1/2,z+1/2
-y+1/2,x+1/2,z+1/2
-x+1/2,-y+1/2,z+1/2
y+1/2,-x+1/2,z+1/2
x+1/2,-y+1/2,-z+1/2
y+1/2,x+1/2,-z+1/2
-x+1/2,y+1/2,-z+1/2
-y+1/2,-x+1/2,-z+1/2
-x+1/2,-y+1/2,-z+1/2
y+1/2,-x+1/2,-z+1/2
x+1/2,y+1/2,-z+1/2
-y+1/2,x+1/2,-z+1/2
-x+1/2,y+1/2,z+1/2
-y+1/2,-x+1/2,z+1/2
x+1/2,-y+1/2,z+1/2
y+1/2,x+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
Ni1 Ni+2 0 0 0 1 0.0
F1 F-1 0 0 0.151 1 0.0
K1 K+1 0 0 0.352 1 0.0
F2 F-1 0.5 0 0 1 0.0
