#------------------------------------------------------------------------------
#$Date: 2018-09-27 07:13:35 +0300 (Thu, 27 Sep 2018) $
#$Revision: 211196 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/53/41/1534137.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_1534137
loop_
_publ_author_name
'Abrahams, S.C.'
'Bernstein, J.L.'
'Jamieson, P.B.'
_publ_section_title
;
 Crystal Structure of Piezoelectric Bismuth Germanium Oxide Bi12 Ge O20
;
_journal_name_full               'Journal of Chemical Physics'
_journal_page_first              4034
_journal_page_last               4041
_journal_volume                  47
_journal_year                    1967
_chemical_formula_sum            'Bi12 Ge O20'
_space_group_IT_number           197
_symmetry_space_group_name_Hall  'I 2 2 3'
_symmetry_space_group_name_H-M   'I 2 3'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.1455
_cell_length_b                   10.1455
_cell_length_c                   10.1455
_cell_volume                     1044.288
_citation_journal_id_ASTM        JCPSA6
_cod_data_source_file            Abrahams_JCPSA6_1967_1868.cif
_cod_data_source_block           Bi12Ge1O20
_cod_original_formula_sum        'Bi12 Ge1 O20'
_cod_database_code               1534137
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z
x,-y,-z
-x,y,-z
z,x,y
-z,-x,y
z,-x,-y
-z,x,-y
y,z,x
y,-z,-x
-y,z,-x
-y,-z,x
x+1/2,y+1/2,z+1/2
-x+1/2,-y+1/2,z+1/2
x+1/2,-y+1/2,-z+1/2
-x+1/2,y+1/2,-z+1/2
z+1/2,x+1/2,y+1/2
-z+1/2,-x+1/2,y+1/2
z+1/2,-x+1/2,-y+1/2
-z+1/2,x+1/2,-y+1/2
y+1/2,z+1/2,x+1/2
y+1/2,-z+1/2,-x+1/2
-y+1/2,z+1/2,-x+1/2
-y+1/2,-z+1/2,x+1/2
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
O3 O-2 0.0977 0.0977 0.0977 1 0.0
O2 O-2 0.8019 0.8019 0.8019 1 0.0
Bi1 Bi+3 0.82409 0.68158 0.98433 1 0.0
Ge1 Ge+4 0 0 0 1 0.0
O1 O-2 0.8655 0.7477 0.5145 1 0.0
