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#$Date: 2015-07-10 13:35:24 +0300 (Fri, 10 Jul 2015) $
#$Revision: 141851 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/52/16/1521638.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_1521638
loop_
_publ_author_name
'Mueller-Bunz, H.'
'Schleid, T.'
_publ_section_title
;
 Ueber die Oxidsilicate M2 O (Si O4) der schweren Lanthanoide (M = Dy -
 Lu) im A-Typ
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              613
_journal_page_last               618
_journal_volume                  625
_journal_year                    1999
_chemical_formula_sum            'Lu2 O5 Si'
_chemical_name_systematic        'Lu2 O (Si O4)'
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 104.18
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.987
_cell_length_b                   6.706
_cell_length_c                   6.5951
_cell_volume                     385.355
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Mueller-Bunz_ZAACAB_1999_892.cif
_cod_data_source_block           Lu2O5Si1
_cod_original_cell_volume        385.3553
_cod_chemical_formula_sum_orig   'Lu2 O5 Si1'
_cod_database_code               1521638
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y+1/2,-z+1/2
-x,-y,-z
x,-y-1/2,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
O4 O-2 0.1038 0.7941 0.4911 1 0.0
Lu2 Lu+3 0.5282 0.62378 0.23054 1 0.0
Lu1 Lu+3 0.13391 0.13876 0.46162 1 0.0
O1 O-2 0.2128 0.4445 0.6916 1 0.0
O3 O-2 0.3821 0.6411 0.5137 1 0.0
O2 O-2 0.1361 0.4272 0.2977 1 0.0
O5 O-2 0.3974 0.3771 0.0714 1 0.0
Si1 Si+4 0.1979 0.5938 0.4795 1 0.0