data_9011022
_publ_section_title
;Ternary semiconducting compounds with sodium chloride-like structure:
 AgSbSe2, AgSbTe2, AgBiS2, AgBiSe2 Sample: quenched from T = 240 C
;
_journal_name_full               'Acta Crystallographica'
_journal_page_first              46
_journal_page_last               54
_journal_paper_doi               10.1107/S0365110X59000135
_journal_volume                  12
_journal_year                    1959
_chemical_formula_structural     AgBiSe2
_chemical_formula_sum            'Ag Bi Se2'
_space_group_IT_number           166
_symmetry_space_group_name_Hall  '-P 3* 2'
_symmetry_space_group_name_H-M   'R -3 m :R'
_cell_angle_alpha                34.50
_cell_angle_beta                 34.50
_cell_angle_gamma                34.50
_cell_length_a                   7.022
_cell_length_b                   7.022
_cell_length_c                   7.022
_cell_volume                     99.098
_exptl_crystal_density_diffrn    7.956
_exptl_crystal_thermal_history   'quenched from T = 240 C'
_[local]_cod_cif_authors_sg_H-M  'R -3 m'
_cod_database_code               9011022
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-z,-y
-z,-x,-y
y,x,z
y,z,x
-z,-y,-x
-x,-y,-z
x,z,y
z,x,y
-y,-x,-z
-y,-z,-x
z,y,x
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ag 0.00000 0.00000 0.00000
Bi 0.50000 0.50000 0.50000
Se 0.26000 0.26000 0.26000
