data_9008977
_publ_section_title
;
 Second edition. Interscience Publishers, New York, New York
;
_journal_name_full               'Crystal Structures'
_journal_page_first              85
_journal_page_last               237
_journal_volume                  1
_journal_year                    1963
_chemical_formula_structural     Hg2F2
_chemical_formula_sum            'F Hg'
_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_length_a                   3.66
_cell_length_b                   3.66
_cell_length_c                   10.9
_cell_volume                     146.012
_exptl_crystal_density_diffrn    9.989
_[local]_cod_chemical_formula_sum_orig 'Hg F'
_cod_database_code               9008977
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,1/2+z
-y,-x,z
1/2-y,1/2-x,1/2+z
y,x,-z
1/2+y,1/2+x,1/2-z
y,-x,-z
1/2+y,1/2-x,1/2-z
-y,x,z
1/2-y,1/2+x,1/2+z
x,-y,z
1/2+x,1/2-y,1/2+z
-x,y,-z
1/2-x,1/2+y,1/2-z
x,y,-z
1/2+x,1/2+y,1/2-z
-x,-y,z
1/2-x,1/2-y,1/2+z
y,x,z
1/2+y,1/2+x,1/2+z
-y,-x,-z
1/2-y,1/2-x,1/2-z
-y,x,-z
1/2-y,1/2+x,1/2-z
y,-x,z
1/2+y,1/2-x,1/2+z
-x,y,z
1/2-x,1/2+y,1/2+z
x,-y,-z
1/2+x,1/2-y,1/2-z
-x,-y,-z
1/2-x,1/2-y,1/2-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Hg 0.00000 0.00000 0.11100
F 0.00000 0.00000 0.32300
