data_9011118
_publ_section_title
;
 The crystal structure of two compounds found in dental amalgam: Ag2Hg3 and
 Ag3Sn
 Locality: synthetic
;
_journal_name_full               'Acta Crystallographica, Section B'
_journal_page_first              371
_journal_page_last               378
_journal_paper_doi               10.1107/S0567740872002432
_journal_volume                  28
_journal_year                    1972
_chemical_formula_structural     Ag3Sn
_chemical_formula_sum            'Ag3 Sn'
_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                   5.968
_cell_length_b                   4.7802
_cell_length_c                   5.1843
_cell_volume                     147.899
_exptl_crystal_density_diffrn    9.932
_[local]_cod_cif_authors_sg_H-M  'P m m n'
_cod_database_code               9011118
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_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
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
