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#$Date: 2016-01-09 13:35:59 +0100 (Sat 09 de Jan de 2016) $
#$Revision: 174115 $
#$URL: svn://www.crystallography.net/cod/cif/8/10/44/8104479.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_8104479
loop_
_publ_author_name
'Eisenmann, B.'
'Hansa, J.'
_publ_section_title
;
 Crystal structure of hexasodium heptaselenidodistannate
;
_journal_name_full
'Zeitschrift fuer Kristallographie (149,1979-)'
_journal_page_first              297
_journal_page_last               298
_journal_volume                  203
_journal_year                    1993
_chemical_formula_sum            'Na6 Se7 Sn2'
_chemical_name_systematic        'Na6 (Sn2 Se7)'
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 105.1
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.71
_cell_length_b                   11.193
_cell_length_c                   16.064
_cell_volume                     1685.619
_citation_journal_id_ASTM        ZEKRDZ
_cod_data_source_file            Eisenmann_ZEKRDZ_1993_1514.cif
_cod_data_source_block           Na6Se7Sn2
_cod_database_code               8104479
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y,-z+1/2
-x,-y,-z
x,-y,z-1/2
x+1/2,y+1/2,z
-x+1/2,y+1/2,-z+1/2
-x+1/2,-y+1/2,-z
x+1/2,-y+1/2,z-1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Se2 Se-2 0.2978 0.5663 0.0179 1 0.0
Na3 Na+1 0 0.5 0 1 0.0
Se1 Se-2 0.1186 0.3662 0.1802 1 0.0
Na2 Na+1 0.1073 0.1441 0.0734 1 0.0
Na1 Na+1 0.2247 0.272 0.3607 1 0.0
Se4 Se-2 0 0.0478 0.25 1 0.0
Na4 Na+1 0.5 0.072 0.25 1 0.0
Sn1 Sn+4 0.3407 0.4137 0.1364 1 0.0
Se3 Se-2 0.4566 0.2285 0.1031 1 0.0
