data_9009074
_publ_section_title
;
 Second edition. Interscience Publishers, New York, New York
 Rutile structure
;
_journal_name_full               'Crystal Structures'
_journal_page_first              239
_journal_page_last               444
_journal_volume                  1
_journal_year                    1963
_chemical_formula_structural     FeF2
_chemical_formula_sum            'F2 Fe'
_space_group_IT_number           136
_symmetry_space_group_name_Hall  '-P 4n 2n'
_symmetry_space_group_name_H-M   'P 42/m n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.6966
_cell_length_b                   4.6966
_cell_length_c                   3.3091
_cell_volume                     72.992
_exptl_crystal_density_diffrn    4.270
_[local]_cod_chemical_formula_sum_orig 'Fe F2'
_cod_database_code               9009074
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,-x,z
y,x,-z
1/2+y,1/2-x,1/2-z
1/2-y,1/2+x,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2-z
x,y,-z
-x,-y,z
y,x,z
-y,-x,-z
1/2-y,1/2+x,1/2-z
1/2+y,1/2-x,1/2+z
1/2-x,1/2+y,1/2+z
1/2+x,1/2-y,1/2-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe 0.00000 0.00000 0.00000
F 0.30000 0.30000 0.00000
