data_9003557
_chemical_name 'Muthmannite'
loop_
_publ_author_name
'Bindi L'
'Cipriani C'
_journal_name_full "American Mineralogist"
_journal_volume 89
_journal_year 2004
_journal_page_first 1505
_journal_page_last 1509
_publ_section_title
;
 Ordered distribution of Au and Ag in the crystal structure of muthmannite,
 AuAgTe2, a rare telluride from Sacarimb, Western Romania
;
_chemical_formula_sum 'Au Ag Te2'
_cell_length_a 5.124
_cell_length_b 4.419
_cell_length_c 7.437
_cell_angle_alpha 90
_cell_angle_beta 89.96
_cell_angle_gamma 90
_cell_volume 168.396
_symmetry_space_group_name_H-M 'P 1 2/m 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,-y,z'
  '-x,y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_Uiso_or_equiv
Au1   0.00000   0.00000   0.00000   0.02330
Au2   0.00000   0.00000   0.50000   0.02650
Ag1   0.50000   0.50000   0.00000   0.03030
Ag2   0.50000   0.50000   0.50000   0.03090
Te1   0.62770   0.00000   0.25090   0.02700
Te2   0.10890   0.50000   0.25820   0.02980