#------------------------------------------------------------------------------
#$Date: 2016-02-14 15:26:36 +0100 (dom 14 de feb de 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/07/2100788.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# 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_2100788
loop_
_publ_author_name
'Rae, A. D.'
'Thompson, J. G.'
'Withers, R. L.'
_publ_section_title
;
 Structure refinement of commensurately modulated bismuth strontium
 tantalate, Bi₂SrTa₂O₉
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              418
_journal_page_last               428
_journal_paper_doi               10.1107/S0108768192001654
_journal_volume                  48
_journal_year                    1992
_chemical_formula_sum            'Bi2 O9 Sr Ta2'
_chemical_formula_weight         1011.47
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'p -2 2a'
_symmetry_space_group_name_H-M   'A 21 a m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.5306(5)
_cell_length_b                   5.5344(5)
_cell_length_c                   24.984(2)
_cell_volume                     764.72(12)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.7107
_exptl_absorpt_coefficient_mu    80.68
_exptl_crystal_density_diffrn    8.785
_exptl_crystal_F_000             1688
_cod_data_source_file            al0520.cif
_cod_data_source_block           al0520a
_cod_original_cell_volume        764.7
_cod_original_formula_sum        'Bi2 O9 Sr1 Ta2'
_cod_database_code               2100788
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Sr -.0220(11) .5054(2) .5000
Bi -.0486(8) .47320(10) .7007
Ta -.0137(12) .00220(10) .5849
O(1) -.013(4) -.0428(17) .5000
O(2) -.007(3) .0555(14) .6591(3)
O(3) .218(2) .241(5) .2492(2)
O(4) .241(3) .2556(19) .5697(3)
O(5) .263(2) -.2335(15) .5831(3)
