data_9001315
_publ_section_title
;Crystal chemistry and crystallography of some minerals in the tetradymite
 group
;
_journal_name_full               'American Mineralogist'
_journal_page_first              257
_journal_page_last               265
_journal_volume                  76
_journal_year                    1991
_chemical_formula_sum            'As Sb'
_chemical_name_mineral           Stibarsen
_space_group_IT_number           166
_symmetry_space_group_name_Hall  '-R 3 2"'
_symmetry_space_group_name_H-M   'R -3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   4.0255
_cell_length_b                   4.0255
_cell_length_c                   10.837
_cell_volume                     152.083
_exptl_crystal_density_diffrn    6.442
_[local]_cod_cif_authors_sg_H-M  'R -3 m'
_cod_database_code               9001315
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
2/3+x,1/3+y,1/3+z
1/3+x,2/3+y,2/3+z
x,x-y,z
2/3+x,1/3+x-y,1/3+z
1/3+x,2/3+x-y,2/3+z
y,x,-z
2/3+y,1/3+x,1/3-z
1/3+y,2/3+x,2/3-z
-x+y,y,z
2/3-x+y,1/3+y,1/3+z
1/3-x+y,2/3+y,2/3+z
-x,-x+y,-z
2/3-x,1/3-x+y,1/3-z
1/3-x,2/3-x+y,2/3-z
-y,-x,z
2/3-y,1/3-x,1/3+z
1/3-y,2/3-x,2/3+z
x-y,-y,-z
2/3+x-y,1/3-y,1/3-z
1/3+x-y,2/3-y,2/3-z
y,-x+y,-z
2/3+y,1/3-x+y,1/3-z
1/3+y,2/3-x+y,2/3-z
-x+y,-x,z
2/3-x+y,1/3-x,1/3+z
1/3-x+y,2/3-x,2/3+z
-x,-y,-z
2/3-x,1/3-y,1/3-z
1/3-x,2/3-y,2/3-z
-y,x-y,z
2/3-y,1/3+x-y,1/3+z
1/3-y,2/3+x-y,2/3+z
x-y,x,-z
2/3+x-y,1/3+x,1/3-z
1/3+x-y,2/3+x,2/3-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
As 0.00000 0.00000 0.00000
Sb 0.00000 0.00000 0.50000
