#------------------------------------------------------------------------------
#$Date: 2016-02-21 11:56:54 +0200 (Sun, 21 Feb 2016) $
#$Revision: 176809 $
#$URL: svn://www.crystallography.net/cod/cif/2/30/01/2300142.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_2300142
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~)O₃--Ba(Zn~1/3~Nb~2/3~)O₃
;
_journal_issue                   4
_journal_name_full               'Journal of Applied Crystallography'
_journal_page_first              749
_journal_page_last               755
_journal_paper_doi               10.1107/S0021889807028051
_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                   5.7893(5)
_cell_length_b                   5.7893(5)
_cell_length_c                   7.1158(9)
_cell_volume                     206.54(4)
_cod_data_source_file            hx5056.cif
_cod_data_source_block           BZN_P-3m_240
_cod_database_code               2300142
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 0.6714386 1
Ba+2 Ba2 0 0 0 1
Nb+5 Nb1 0.3333333 0.6666667 0.1416377 1
Zn+2 Zn2 0 0 0.5 1
O-2 O1 0.5 0 0 1
O-2 O2 0.17 -0.17 0.2904846 1
