data_9008350
_publ_section_title
;
 The Cu2Sb and related structures
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              23
_journal_page_last               39
_journal_volume                  171
_journal_year                    1985
_chemical_formula_structural     ZrSi.95Se.995
_chemical_formula_sum            'Se Si Zr'
_space_group_IT_number           129
_symmetry_space_group_name_Hall  'P 4ab 2ab -1ab'
_symmetry_space_group_name_H-M   'P 4/n m m :1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   3.624
_cell_length_b                   3.624
_cell_length_c                   8.360
_cell_volume                     109.795
_exptl_crystal_density_diffrn    5.997
_[local]_cod_cif_authors_sg_H-M  'P 4/n m m'
_[local]_cod_chemical_formula_sum_orig 'Si Se Zr'
_cod_database_code               9008350
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2-y,1/2-x,z
y,x,-z
y,-x,-z
1/2-y,1/2+x,z
x,-y,z
1/2-x,1/2+y,-z
1/2+x,1/2+y,-z
-x,-y,z
1/2+y,1/2+x,z
-y,-x,-z
-y,x,-z
1/2+y,1/2-x,z
-x,y,z
1/2+x,1/2-y,-z
1/2-x,1/2-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si 0.00000 0.00000 0.00000
Se 0.50000 0.00000 0.62190
Zr 0.50000 0.00000 0.25740
