data_global
_amcsd_formula_title 'Ag3Sn'
loop_
_publ_author_name
'Fairhurst C W'
'Cohen J B'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 28 
_journal_year 1972
_journal_page_first 371
_journal_page_last 378
_publ_section_title
;
 The crystal structure of two compounds found in dental amalgam: Ag2Hg3 and
 Ag3Sn
;
_database_code_amcsd 0009426
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Ag3 Sn'
_cell_length_a 5.968
_cell_length_b 4.7802
_cell_length_c 5.1843
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 147.899
_exptl_crystal_density_diffrn      9.932
_symmetry_space_group_name_H-M 'P m m n'
loop_
_space_group_symop_operation_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
Ag1   0.00000   0.25000  -0.33690
Ag2   0.25000   0.75000  -0.17230
Sn   0.25000   0.25000   0.16870
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ag1 0.01624 0.01042 0.01362 0.00000 -0.01207 0.00000
Ag2 0.01985 0.00544 0.01729 0.00000 0.00000 0.00000
Sn 0.00072 0.00868 0.00953 0.00000 0.00000 0.00000