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#$Date: 2009-04-25 22:45:30 +0300 (Sat, 25 Apr 2009) $
#$Revision: 684 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/2300134.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_2300134
loop_
_publ_author_name
'Cernik, R. J.'
'Barwick, M.'
'Azough, F.'
'Freer, R.'
_publ_section_title
;
 A synchrotron X-ray study of structural ordering in~the microwave
 dielectric ceramic system:
 Ba(Ni~1/3~Nb~2/3~)O~3~--Ba(Zn~1/3~Nb~2/3~)O~3~
;
_journal_coeditor_code           HX5056
_journal_issue                   4
_journal_name_full               'Journal of Applied Crystallography'
_journal_page_first              749
_journal_page_last               755
_journal_volume                  40
_journal_year                    2007
_space_group_IT_number           164
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   5.7523(2)
_cell_length_b                   5.7523(2)
_cell_length_c                   7.0634(3)
_cell_volume                     202.411(18)
_[local]_cod_data_source_file    hx5056.cif
_[local]_cod_data_source_block   Annealed_BNN_72_P-3m
loop_
_symmetry_equiv_pos_as_xyz
'-x, -x+y, -z'
'-x, -y, -z'
'-x+y, -x, z'
'-x+y, y, z'
'-y, -x, z'
'-y, x-y, z'
'y, -x+y, -z'
'y, x, -z'
'x-y, -y, -z'
'x-y, x, -z'
'x, y, z'
'x, x-y, z'
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ba+2 Ba1 0.3333333 0.6666667 0.67452 1
Ba+2 Ba2 0 0 0 1
Nb+5 Nb1 0.3333333 0.6666667 0.1416377 1
Ni+2 Ni2 0 0 0.5 1
O-2 O1 0.5 0 0 1
O-2 O2 0.17 -0.17 0.29 1