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#$Date: 2018-09-27 07:13:35 +0300 (Thu, 27 Sep 2018) $
#$Revision: 211196 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/31/07/2310732.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_2310732
loop_
_publ_author_name
'Berger, S.V.'
_publ_section_title
;
 The Crystal Structure of B2 O3
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              389
_journal_page_last               389
_journal_volume                  5
_journal_year                    1952
_chemical_formula_sum            'B2 O3'
_space_group_IT_number           144
_symmetry_space_group_name_Hall  'P 31'
_symmetry_space_group_name_H-M   'P 31'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   4.325
_cell_length_b                   4.325
_cell_length_c                   8.317
_cell_volume                     134.732
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Berger_ACCRA9_1952_166.cif
_cod_data_source_block           B2O3
_cod_original_cell_volume        134.7316
_cod_database_code               2310732
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z+1/3
-x+y,-x,z+2/3
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
O2 O-2 0.46 0.79 0.07 1 0.0
O3 O-2 0.51 0.23 0.56 1 0.0
B1 B+3 0.54 0.15 0.02 1 0.0
O1 O-2 0.2 0.15 0 1 0.0
B2 B+3 0.59 0.77 0.26 1 0.0