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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/97/1529781.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_1529781
loop_
_publ_author_name
'Cudennec, Y.'
'Riou, A.'
_publ_section_title
;
 Etude structurale des chromates doubles d'aluminium et d'alcalin: Na Al
 (Cr O4)2 (H2 O)2 et K Al (Cr O4)2 (H2 O)2
;
_journal_name_full
;
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie C, 
Sciences Chimiques (1966-)
;
_journal_page_first              565
_journal_page_last               568
_journal_volume                  284
_journal_year                    1977
_chemical_formula_sum            'Al Cr2 H4 Na O10'
_chemical_name_systematic        'Na Al (Cr O4)2 (H2 O)2'
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 110.33
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.08
_cell_length_b                   5.338
_cell_length_c                   10.655
_cell_volume                     750.934
_citation_journal_id_ASTM        CHDCAQ
_cod_data_source_file            Cudennec_CHDCAQ_1977_113.cif
_cod_data_source_block           H4Al1Cr2Na1O10
_cod_original_cell_volume        750.9342
_cod_original_formula_sum        'H4 Al1 Cr2 Na1 O10'
_cod_database_code               1529781
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y,-z+1/2
-x,-y,-z
x,-y,z-1/2
x+1/2,y+1/2,z
-x+1/2,y+1/2,-z+1/2
-x+1/2,-y+1/2,-z
x+1/2,-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
Cr1 Cr+6 0.4017 0.7612 0.0412 1 0.0
Al1 Al+3 0.25 0.25 0 1 0.0
O3 O-2 0.3873 0.2367 0.3838 1 0.0
O4 O-2 0.5199 0.7272 0.1258 1 0.0
O1 O-2 0.3377 0.4821 0.5751 1 0.0
O2 O-2 0.3612 0.0368 0.0822 1 0.0
O5 O-2 0.2187 0.2331 0.1612 1 0.0
Na1 Na+1 0 0.7843 0.25 1 0.0
