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#$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/15/2101587.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_2101587
loop_
_publ_author_name
'Abrahams, S. C.'
_publ_section_title
;
 New ferroelectric inorganic materials predicted in point group
 4<i>mm</i>
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              790
_journal_page_last               805
_journal_paper_doi               10.1107/S0108768196004594
_journal_volume                  52
_journal_year                    1996
_chemical_formula_sum            'Cr N Nb'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4 -2ab'
_symmetry_space_group_name_H-M   'P 4 b m'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                90.0
_cell_length_a                   4.283
_cell_length_b                   4.283
_cell_length_c                   7.360
_cell_volume                     135.012
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_cod_data_source_file            an0527.cif
_cod_data_source_block           AN0527m
_cod_original_formula_sum        'Cr1 N1 Nb1'
_cod_database_code               2101587
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Nb1 .0 .5 -.325
Nb2 .0 .0 .325
Cr1 .0 .0 -.085
Cr2 .0 .5 .095
N1 .0 .0 -.375
N2 .0 .5 .375