#------------------------------------------------------------------------------
#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/93/1539332.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_1539332
loop_
_publ_author_name
'Wilson, I.'
_publ_section_title
;
 X-ray analysis of potassium perchromate K3 Cr O8 and isomorphous
 compounds
;
_journal_name_full               'Arkiv foer Kemi, Mineralogi och Geologi, B'
_journal_page_first              1
_journal_page_last               7
_journal_volume                  15
_journal_year                    1942
_chemical_formula_sum            'O8 Rb3 Ta'
_chemical_name_systematic        'Rb3 Ta O8'
_space_group_IT_number           121
_symmetry_space_group_name_Hall  'I -4 2'
_symmetry_space_group_name_H-M   'I -4 2 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.06
_cell_length_b                   7.06
_cell_length_c                   8.07
_cell_volume                     402.238
_citation_journal_id_ASTM        ARKGBK
_cod_data_source_file            Wilson_ARKGBK_1942_1172.cif
_cod_data_source_block           O8Rb3Ta1
_cod_original_cell_volume        402.2378
_cod_original_formula_sum        'O8 Rb3 Ta1'
_cod_database_code               1539332
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
y,-x,-z
-x,-y,z
-y,x,-z
x,-y,-z
-y,-x,z
-x,y,-z
y,x,z
x+1/2,y+1/2,z+1/2
y+1/2,-x+1/2,-z+1/2
-x+1/2,-y+1/2,z+1/2
-y+1/2,x+1/2,-z+1/2
x+1/2,-y+1/2,-z+1/2
-y+1/2,-x+1/2,z+1/2
-x+1/2,y+1/2,-z+1/2
y+1/2,x+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
O1 O 0.136 0.136 0.203 1 0.0
Ta1 Ta 0 0 0 1 0.0
Rb1 Rb 0 0 0.5 1 0.0
O2 O 0.214 0.214 0.058 1 0.0
Rb2 Rb 0 0.5 0.25 1 0.0
