data_9012818
_publ_section_title
;
 Crystal structure of thoreaulite, SaTa2O6
 Locality: Manono, Katanga, Democratic Republic of the Congo
;
_journal_name_full               'Soviet Physics Doklady'
_journal_page_first              528
_journal_page_last               529
_journal_volume                  20
_journal_year                    1975
_chemical_formula_sum            'O6 Sn Ta2'
_chemical_name_mineral           Thoreaulite
_space_group_IT_number           9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.59
_cell_angle_gamma                90
_cell_length_a                   17.11299
_cell_length_b                   4.872
_cell_length_c                   5.548
_cell_volume                     462.537
_exptl_crystal_density_diffrn    8.280
_[local]_cod_chemical_formula_sum_orig 'Sn Ta2 O6'
_cod_database_code               9012818
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,z
x,-y,1/2+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_U_iso_or_equiv
Sn 0.00280 0.22950 0.26780 0.00874
Ta1 0.16930 0.24550 0.67430 0.00823
Ta2 0.32970 0.25480 0.33900 0.00836
O1 0.07250 0.09140 0.60330 0.01001
O2 0.42890 0.42330 0.41070 0.00785
O3 0.14110 0.47060 0.92180 0.00874
O4 0.35730 0.04840 0.06190 0.00684
O5 0.21960 0.05670 0.34900 0.00671
O6 0.28170 0.42970 0.63990 0.00747
