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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/64/1526454.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_1526454
loop_
_publ_author_name
'Istomin, S.Ya.'
'Hannerz, H.'
'Svensson, G.'
'Koehler, J.'
_publ_section_title
;
 An X-ray powder and electron diffraction study of reduced tantalates with
 the perovskite structure, Na1-x Srx Ta O3, 0<x<4
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              427
_journal_page_last               434
_journal_volume                  154
_journal_year                    2000
_chemical_formula_sum            'Na0.9 O3 Sr0.1 Ta'
_chemical_name_systematic        '(Na0.9 Sr0.1) (Ta O3)'
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.5129
_cell_length_b                   7.8328
_cell_length_c                   5.53619
_cell_volume                     239.061
_citation_journal_id_ASTM        JSSCBI
_cod_data_source_file            Istomin_JSSCBI_2000_2.cif
_cod_data_source_block           Na0.9O3Sr0.1Ta1
_cod_original_cell_volume        239.0607
_cod_original_formula_sum        'Na0.9 O3 Sr0.1 Ta1'
_cod_database_code               1526454
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y,z+1/2
x+1/2,-y+1/2,-z+1/2
-x,y+1/2,-z
-x,-y,-z
x-1/2,y,-z-1/2
-x-1/2,y-1/2,z-1/2
x,-y-1/2,z
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-2 -0.039 0.25 0.448 1 0.0
O2 O-2 0.273 -0.018 0.273 1 0.0
Na1 Na+1 0.002 0.25 -0.015 0.9 0.0
Sr1 Sr+2 0.002 0.25 -0.015 0.1 0.0
Ta1 Ta+4 0 0 0 1 0.0
