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#$Date: 2015-09-12 17:47:30 +0300 (Sat, 12 Sep 2015) $
#$Revision: 156004 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/07/1530791.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_1530791
loop_
_publ_author_name
'Smolin, Yu.I.'
'Shepelev, Yu.F.'
_publ_section_title
;
 The crystal structure of (Gd2 O3)7 (Si O2)9
;
_journal_name_full
'Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy'
_journal_page_first              1823
_journal_page_last               1825
_journal_volume                  5
_journal_year                    1969
_chemical_formula_sum            'Gd4.67 O13 Si3'
_chemical_name_systematic        'Gd4.67 (Si O4)3 O'
_space_group_IT_number           176
_symmetry_space_group_name_Hall  '-P 6c'
_symmetry_space_group_name_H-M   'P 63/m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   9.45
_cell_length_b                   9.45
_cell_length_c                   6.87
_cell_volume                     531.314
_citation_journal_id_ASTM        IVNMAW
_cod_data_source_file            Smolin_IVNMAW_1969_1950.cif
_cod_data_source_block           Gd4.67O13Si3
_cod_original_cell_volume        531.3137
_cod_database_code               1530791
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x-y,x,z+1/2
-y,x-y,z
-x,-y,z+1/2
-x+y,-x,z
y,-x+y,z+1/2
-x,-y,-z
-x+y,-x,-z-1/2
y,-x+y,-z
x,y,-z-1/2
x-y,x,-z
-y,x-y,-z-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 0.3418 0.2497 0.0575 1 0.0
Gd1 Gd+3 0.24001 0.23321 0.75 1 0.0
O4 O-2 0 0 0.25 1 0.0
O2 O-2 0.6002 0.474 0.25 1 0.0
Si1 Si+4 0.4001 0.3721 0.25 1 0.0
O1 O-2 0.3178 0.4872 0.25 1 0.0
Gd2 Gd+3 0.3333 0.6667 0 0.8333 0.0
