data_1510796
_publ_section_title
;
 Trigonal B2 O3 with higher space-group symmetry: results of a
 reevaluation
;
_journal_name_full
;
Monatshefte fuer Chemie und verwandte Teile anderer Wissenschaften (109,1978-)
;
_journal_page_first              1515
_journal_page_last               1517
_journal_volume                  132
_journal_year                    2001
_chemical_formula_sum            'B2 O3'
_chemical_name_systematic        'B2 O3'
_space_group_IT_number           152
_symmetry_space_group_name_Hall  'P 31 2"'
_symmetry_space_group_name_H-M   'P 31 2 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   4.3358
_cell_length_b                   4.3358
_cell_length_c                   8.3397
_cell_volume                     135.775
_citation_journal_id_ASTM        MOCMB7
_[local]_cod_data_source_file    boron_295.cif
_[local]_cod_data_source_block   B2O3
_cod_original_cell_volume        135.7749
_cod_database_code               1510796
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z+1/3
-x+y,-x,z+2/3
y,x,-z
-x,-x+y,-z+1/3
x-y,-y,-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
O1 O-2 0.6009 0.1477 0.1282 1 0.0
O2 O-2 0.1607 0 0.3333 1 0.0
B1 B+3 0.3954 0.2299 0.2244 1 0.0
