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#$Date: 2016-02-18 17:37:37 +0200 (Thu, 18 Feb 2016) $
#$Revision: 176729 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/51/14/1511490.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_1511490
loop_
_publ_author_name
'Kiessling, R.'
'Andersson, L.H.'
_publ_section_title
;
 Investigations on the binary systems of boron with chromium, columbium,
 nickel and thorium including a discussion of the phase "TiB" in the
 titanium boron system
;
_journal_name_full
'Acta Chemica Scandinavica (1-27,1973-42,1988)'
_journal_page_first              160
_journal_page_last               160
_journal_paper_doi               10.3891/acta.chem.scand.04-0160
_journal_volume                  4
_journal_year                    1950
_chemical_formula_sum            'B4 Nb3'
_chemical_name_systematic        'Nb3 B4'
_space_group_IT_number           71
_symmetry_space_group_name_Hall  '-I 2 2'
_symmetry_space_group_name_H-M   'I m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.305
_cell_length_b                   14.82
_cell_length_c                   3.137
_cell_volume                     153.651
_citation_journal_id_ASTM        ACSAA4
_cod_data_source_file            boron4-x_120.cif
_cod_data_source_block           B4Nb3
_cod_original_cell_volume        153.6506
_cod_database_code               1511490
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z
x,-y,-z
-x,y,-z
-x,-y,-z
x,y,-z
-x,y,z
x,-y,z
x+1/2,y+1/2,z+1/2
-x+1/2,-y+1/2,z+1/2
x+1/2,-y+1/2,-z+1/2
-x+1/2,y+1/2,-z+1/2
-x+1/2,-y+1/2,-z+1/2
x+1/2,y+1/2,-z+1/2
-x+1/2,y+1/2,z+1/2
x+1/2,-y+1/2,z+1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Nb2 Nb+4 0 0.18 0 1 0.0
Nb1 Nb+4 0.5 0.5 0 1 0.0
B2 B-3 0 0.444 0.5 1 0.0
B1 B-3 0 0.376 0 1 0.0