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#$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/94/9009420.cif $
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#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9009420
loop_
_publ_author_name
'Zubkova, N. V.'
'Pushcharovsky, D. Y.'
'Giester, G.'
'Smolin, A. S.'
'Tillmanns, E.'
'Brandstatter, F.'
'Hammer, V.'
'Peretyazhko, I. S.'
'Sapozhnikov, A. N.'
'Kashaev, A. A.'
_publ_section_title
;Bismutocolumbite, Bi(Nb.79Ta.21)O4, stibiocolumbite, Sb(Nb.67Ta.33)O4 and
 their structural relation to the other ABO4 minerals with stibiotantalite
 (SbTaO4) structure Locality: Mesa Grande, California, USA
;
_journal_name_full               'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_page_first              145
_journal_page_last               159
_journal_volume                  2002
_journal_year                    2002
_chemical_formula_sum            'Nb0.33 O4 Sb Ta0.67'
_chemical_name_mineral           Stibiocolumbite
_space_group_IT_number           33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   5.557
_cell_length_b                   4.932
_cell_length_c                   11.808
_cell_volume                     323.623
_exptl_crystal_density_diffrn    6.930
_[local]_cod_chemical_formula_sum_orig 'Sb (Nb.33 Ta.67) O4'
_cod_database_code               9009420
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2-y,z
1/2-x,1/2+y,1/2+z
-x,-y,1/2+z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Sb 0.52369 0.04914 0.24729 1.00000 0.00930
Nb 0.88867 -0.00667 -0.00157 0.33000 0.00480
Ta 0.88867 -0.00667 -0.00157 0.67000 0.00480
O1 0.34620 0.33130 0.15760 1.00000 0.00840
O2 0.82420 0.83520 0.84770 1.00000 0.00810
O3 0.08450 0.71190 0.05630 1.00000 0.01060
O4 0.12900 0.22700 -0.04830 1.00000 0.01170