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#$Date: 2015-10-07 18:16:33 +0300 (Wed, 07 Oct 2015) $
#$Revision: 160824 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/53/42/1534276.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_1534276
loop_
_publ_author_name
'Block, S.'
'Burley, G.'
'Perloff, A.'
'Mason, R.D.'
_publ_section_title
;
 Refinement of the Crystal Structure of Triclinic Magnesium Pyroborate
;
_journal_name_full
'Journal of Research of the National Bureau of Standards'
_journal_page_first              95
_journal_page_last               100
_journal_volume                  62
_journal_year                    1959
_chemical_formula_sum            'B2 Mg2 O5'
_chemical_name_systematic        'Mg2 B2 O5'
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                90.4
_cell_angle_beta                 92.13
_cell_angle_gamma                104.32
_cell_formula_units_Z            2
_cell_length_a                   6.187
_cell_length_b                   9.219
_cell_length_c                   3.119
_cell_volume                     172.231
_citation_journal_id_ASTM        JRNBAG
_cod_data_source_file            Block_JRNBAG_1959_275.cif
_cod_data_source_block           B2Mg2O5
_cod_original_cell_volume        172.2307
_cod_database_code               1534276
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,-z
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 0.6972 0.0511 0.2631 1 0.0
Mg2 Mg+2 0.3724 0.1026 0.2345 1 0.0
B2 B+3 0.8814 0.1708 0.3392 1 0.0
B1 B+3 0.6836 0.3538 0.6997 1 0.0
O5 O-2 0.7224 0.5077 0.7709 1 0.0
Mg1 Mg+2 0.2105 0.3562 0.7264 1 0.0
O3 O-2 0.4782 0.2595 0.7376 1 0.0
O4 O-2 0.8633 0.2995 0.5604 1 0.0
O2 O-2 0.0931 0.1784 0.2263 1 0.0