data_global
_chemical_name_mineral 'Laffittite'
loop_
_publ_author_name
'Pervukhina N V'
'Borisov S V'
'Magarill S A'
'Vasil'ev V I'
'Kuratieva N V'
_journal_name_full 'Journal of Structural Chemistry'
_journal_volume 51 
_journal_year 2010
_journal_page_first 683
_journal_page_last 688
_publ_section_title
;
 Redetermination and crystallographic analysis of the structure of
 Sb-containing laffittite AgHg(As,Sb)S3 from Chauvai (Kyrgyzstan)
;
_database_code_amcsd 0017799
_chemical_compound_source 'Chauvai deposit, Kyrgyzstan'
_chemical_formula_sum 'Ag Hg (As.929 Sb.071) S3'
_cell_length_a 7.7560
_cell_length_b 11.3340
_cell_length_c 6.6650
_cell_angle_alpha 90
_cell_angle_beta 115.233
_cell_angle_gamma 90
_cell_volume 529.992
_exptl_crystal_density_diffrn      6.052
_symmetry_space_group_name_H-M 'A 1 a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,-y,z'
  '1/2+x,1/2-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ag   0.25000   0.02131   0.00000   1.00000   0.03000
Hg   0.78970   0.31679   0.03130   1.00000   0.02680
As   0.28710   0.35167   0.02180   0.92900   0.01370
Sb   0.28710   0.35167   0.02180   0.07100   0.01370
S1   0.42170   0.00890   0.43280   1.00000   0.01530
S2   0.98460   0.28570   0.47030   1.00000   0.01440
S3   0.43770   0.37110   0.39640   1.00000   0.01570