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#$Date: 2013-05-09 16:53:25 +0300 (Thu, 09 May 2013) $
#$Revision: 86000 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/43/9014348.cif $
#------------------------------------------------------------------------------
#
# 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_9014348
loop_
_publ_author_name
'Mishchuk, D. O.'
'V'yunov, O. I.'
'Ovchar, O. V.'
'Belous, A. G.'
_publ_section_title
;
 Structural and dielectric properties of solid solutions of
 sodium niobate in lanthanum and neodymium niobates
 Note: La2/3-x Na3x Nb2O6 synthesized at 1350 deg C
 Note: x = .66, Na2Nb2O6
;
_journal_name_full               'Inorganic Materials'
_journal_page_first              1324
_journal_page_last               1330
_journal_volume                  40
_journal_year                    2004
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Na Nb O3'
_chemical_name_mineral           Lueshite
_space_group_IT_number           57
_symmetry_space_group_name_Hall  '-P 2c 2b'
_symmetry_space_group_name_H-M   'P b c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   5.5007
_cell_length_b                   5.5621
_cell_length_c                   15.5373
_cell_volume                     475.371
_database_code_amcsd             0018679
_exptl_crystal_density_diffrn    4.580
_cod_database_code               9014348
loop_
_space_group_symop_operation_xyz
x,y,z
x,1/2-y,1/2+z
-x,1/2+y,1/2-z
-x,1/2+y,z
x,1/2-y,-z
x,y,1/2-z
-x,-y,1/2+z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na1 0.22900 0.25000 0.00000
Na2 0.22900 0.21700 0.25000
Nb 0.25310 0.73440 0.12510
O1 0.67800 0.25000 0.00000
O2 0.21300 0.77800 0.25000
O3 0.47700 0.44900 0.15100
O4 0.03500 0.02200 0.11300