#------------------------------------------------------------------------------
#$Date: 2015-10-15 01:15:38 +0300 (Thu, 15 Oct 2015) $
#$Revision: 169126 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/99/1539995.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_1539995
loop_
_publ_author_name
'Zharikov, E.V.'
'Kuz'micheva, G.M.'
'Subbotin, K.A.'
'Lis, D.A.'
'Papin, Yu.M.'
'Rybakov, V.B.'
'Smirnov, B.A.'
_publ_section_title
;
 X-ray diffraction study of the structure and defect system of
 Yb-activated (Na0.5 Gd0.5) W O4 crystals
;
_journal_name_full               'Neorganicheskie Materialy'
_journal_page_first              200
_journal_page_last               211
_journal_volume                  39
_journal_year                    2003
_chemical_formula_sum            'Gd0.5 Na0.5 O3.12 W0.78'
_chemical_name_systematic        '(Na0.5 Gd0.5) (W O4)0.78'
_space_group_IT_number           88
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.225
_cell_length_b                   5.225
_cell_length_c                   11.326
_cell_volume                     309.207
_citation_journal_id_ASTM        NMATEI
_cod_data_source_file            Zharikov_NMATEI_2003_446.cif
_cod_data_source_block           Gd0.5Na0.5O3.12W0.78
_cod_original_cell_volume        309.2069
_cod_database_code               1539995
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+3/4,x+1/4,z+1/4
-x+1/2,-y,z+1/2
y+3/4,-x+3/4,z+3/4
-x,-y,-z
y-3/4,-x-1/4,-z-1/4
x-1/2,y,-z-1/2
-y-3/4,x-3/4,-z-3/4
x+1/2,y+1/2,z+1/2
-y+5/4,x+3/4,z+3/4
-x+1,-y+1/2,z+1
y+5/4,-x+5/4,z+5/4
-x+1/2,-y+1/2,-z+1/2
y-1/4,-x+1/4,-z+1/4
x,y+1/2,-z
-y-1/4,x-1/4,-z-1/4
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
O1 O-2 0.747 0.544 0.02 0.776 0.0
W1 W+5 0.5 0.75 0.125 0.776 0.0
Gd1 Gd+3 0 0.75 0.875 0.5 0.0
Na1 Na+1 0 0.75 0.875 0.5 0.0
