#------------------------------------------------------------------------------
#$Date: 2018-09-27 07:13:35 +0300 (Thu, 27 Sep 2018) $
#$Revision: 211196 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/31/06/2310674.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_2310674
loop_
_publ_author_name
'Smith, D.K.jr.'
'Cline, C.F.'
_publ_section_title
;
 The crystal structure of beta - beryllia
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              393
_journal_page_last               397
_journal_volume                  18
_journal_year                    1965
_chemical_formula_sum            'Be O'
_space_group_IT_number           136
_symmetry_space_group_name_Hall  '-P 4n 2n'
_symmetry_space_group_name_H-M   'P 42/m n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.75
_cell_length_b                   4.75
_cell_length_c                   2.47
_cell_volume                     55.729
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Smith_ACCRA9_1965_1869.cif
_cod_data_source_block           Be1O1
_cod_original_cell_volume        55.72937
_cod_original_formula_sum        'Be1 O1'
_cod_database_code               2310674
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+1/2,x+1/2,z+1/2
-x,-y,z
y+1/2,-x+1/2,z+1/2
x+1/2,-y+1/2,-z+1/2
y,x,-z
-x+1/2,y+1/2,-z+1/2
-y,-x,-z
-x,-y,-z
y-1/2,-x-1/2,-z-1/2
x,y,-z
-y-1/2,x-1/2,-z-1/2
-x-1/2,y-1/2,z-1/2
-y,-x,z
x-1/2,-y-1/2,z-1/2
y,x,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
Be1 Be+2 0.336 -0.336 0 1 0.0
O1 O-2 0.31 0.31 0 1 0.0
