data_9000079
loop_
_publ_author_name
'Donnay, G.'
'Donnay, J. D. H.'
'Kullerud, G.'
_publ_section_title
;
 Crystal and twin structure of digenite, Cu9S5
;
_journal_name_full               'American Mineralogist'
_journal_page_first              228
_journal_page_last               242
_journal_volume                  43
_journal_year                    1958
_chemical_formula_sum            'Cu17 S9'
_chemical_name_mineral           Digenite
_cod_original_sg_number          166
_cod_original_sg_symbol_Hall     '-P 3* 2'
_cod_original_sg_symbol_H-M      'R -3 m :R'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   3.91922044323
_cell_length_b                   3.91922044323
_cell_length_c                   48.0023909129
_cell_volume                     212.849
_exptl_crystal_density_diffrn    10.679
_[local]_cod_cif_authors_sg_H-M  'R -3 m'
_cod_database_code               9000079
_space_group_IT_number           166
_space_group_name_H-M_alt        'R -3 m'
_space_group_name_Hall           '-R 3 2"'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Cu 0 0 0.5
Cu 0 0 0.94
Cu 0 0 0.867
Cu 0 0 0.75
Cu 0 0 0.65
S 0 0 0
S 0 0 0.8
S 0 0 0.6
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 -x,-y,-z
3 y,z,x
4 -y,-z,-x
5 z,x,y
6 -z,-x,-y
7 -z,-y,-x
8 z,y,x
9 -x,-z,-y
10 x,z,y
11 -y,-x,-z
12 y,x,z
