#------------------------------------------------------------------------------
#$Date: 2015-07-13 21:54:24 +0300 (Mon, 13 Jul 2015) $
#$Revision: 150778 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/84/1528485.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_1528485
loop_
_publ_author_name
'Fleet, M.'
'Liu, X'
_publ_section_title
;
 High-pressure rare earth silicates: lanthanum silicate with barium
 phosphate structure, holmium silicate apatite, and lutetium disilicate
 type X
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              3275
_journal_page_last               3283
_journal_volume                  178
_journal_year                    2005
_chemical_formula_sum            'Lu2 O7 Si2'
_chemical_name_systematic        'Lu2 (Si2 O7)'
_space_group_IT_number           92
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.562
_cell_length_b                   6.562
_cell_length_c                   11.9535
_cell_volume                     514.716
_citation_journal_id_ASTM        JSSCBI
_cod_data_source_file            Fleet_JSSCBI_2005_735.cif
_cod_data_source_block           Lu2O7Si2
_cod_original_cell_volume        514.7158
_cod_database_code               1528485
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+1/2,x+1/2,z+1/4
-x,-y,z+1/2
y+1/2,-x+1/2,z+3/4
x+1/2,-y+1/2,-z+3/4
y,x,-z
-x+1/2,y+1/2,-z+1/4
-y,-x,-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
Si1 Si+4 0.9023 0.1536 0.6222 1 0.0
O4 O-2 0.6958 0.1386 0.5489 1 0.0
O3 O-2 0.0528 0.3364 0.5725 1 0.0
Lu1 Lu+3 0.87627 0.35177 0.13411 1 0.0
O2 O-2 0.07 0.972 0.6267 1 0.0
O1 O-2 0.815 0.185 0.75 1 0.0
