data_9008069
_publ_section_title
;
 The crystallography of eucairite, CuAgSe
 Locality: Skrikerum, Sweden
 Sample: orthorhombic subcell
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              389
_journal_page_last               396
_journal_paper_doi               10.1524/zkri.1957.108.5-6.389
_journal_volume                  108
_journal_year                    1957
_chemical_formula_sum            'Ag Cu Se'
_chemical_name_mineral           Eucairite
_space_group_IT_number           59
_symmetry_space_group_name_Hall  '-P 2ab 2a'
_symmetry_space_group_name_H-M   'P m m n :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.105
_cell_length_b                   4.07
_cell_length_c                   6.31
_cell_volume                     105.423
_exptl_crystal_density_diffrn    7.887
_[local]_cod_cif_authors_sg_H-M  'P m m n'
_[local]_cod_chemical_formula_sum_orig 'Cu Ag Se'
_cod_database_code               9008069
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,1/2-y,z
-x,1/2+y,-z
1/2-x,y,z
1/2+x,-y,-z
1/2+x,1/2+y,-z
1/2-x,1/2-y,z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Cu 0.25000 0.75000 0.10500
Ag 0.25000 0.25000 0.44900
Se 0.25000 0.25000 0.87300
