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#$Date: 2008-04-03 13:11:48 +0300 (Thu, 03 Apr 2008) $
#$Revision: 326 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/2100976.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_2100976
loop_
_publ_author_name
'Hiraguchi, H.'
'Hashizume, H.'
'Sasaki, S.'
'Nakano, S.'
'Fukunaga, O.'
_publ_section_title
;
 Structure of a high-pressure polymorph of Mg~3~BN~3~ determined from
 X-ray powder data
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              478
_journal_page_last               483
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'B1 Mg3 N3'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2 2'
_symmetry_space_group_name_H-M   'P m m m'
_cell_angle_alpha                90.
_cell_angle_beta                 90.
_cell_angle_gamma                90.
_cell_formula_units_Z            1
_cell_length_a                   3.0933(2)
_cell_length_b                   3.1336(2)
_cell_length_c                   7.7005(5)
_cell_volume                     74.6
_diffrn_radiation_type           Cu
_diffrn_radiation_wavelength     1.54184
_[local]_cod_data_source_file    oh0030.cif
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg(1) .0 .0 .0
Mg(2) .5 .5 .2670(3)
N(1) .5 .5 .0
N(2) .0 .0 .3263(5)
B .0 .0 .5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Mg(1) N(1) 2.202
Mg(1) N(2) 2.512
Mg(2) N(1) 2.056
Mg(2) N(2) 2.248
B N(2) 1.338