#------------------------------------------------------------------------------
#$Date: 2017-10-13 02:32:00 +0300 (Fri, 13 Oct 2017) $
#$Revision: 201954 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/01/05/1010526.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_1010526
loop_
_publ_author_name
'Zachariasen, W H'
_publ_section_title              'Ueber die Kristallstruktur von Be O'
_journal_coden_ASTM              NOGTAO
_journal_name_full               'Norsk Geologisk Tidsskrift'
_journal_page_first              189
_journal_page_last               200
_journal_volume                  8
_journal_year                    1925
_chemical_formula_structural     'Be O'
_chemical_formula_sum            'Be O'
_chemical_name_systematic        'Beryllium oxide'
_space_group_IT_number           186
_symmetry_cell_setting           hexagonal
_symmetry_Int_Tables_number      186
_symmetry_space_group_name_Hall  'P 6c -2c'
_symmetry_space_group_name_H-M   'P 63 m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   2.694
_cell_length_b                   2.694
_cell_length_c                   4.393
_cell_volume                     27.6
_cod_database_code               1010526
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z
y-x,-x,z
-y,-x,z
y-x,y,z
x,x-y,z
-x,-y,1/2+z
y,y-x,1/2+z
x-y,x,1/2+z
y,x,1/2+z
x-y,-y,1/2+z
-x,y-x,1/2+z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Be1 Be2+ 2 b 0.3333 0.6667 0.5 1. 0 d
O1 O2- 2 b 0.3333 0.6667 0.875 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Be2+ 2.000
O2- -2.000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 ChemSpider 8394849