#------------------------------------------------------------------------------
#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/54/15/1541540.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_1541540
loop_
_publ_author_name
'Perrault, G.'
_publ_section_title
;
 La composition chimique et la structure cristalline du pyrochlore d'Oka,
 P.Q.
;
_journal_name_full               'Canadian Mineralogist'
_journal_page_first              383
_journal_page_last               402
_journal_volume                  9
_journal_year                    1968
_chemical_formula_sum
'Ca11.21 Ce1.67 F3.59 Fe0.75 H1.26 La0.23 Mn0.128 Na2.1 Nb11.29 Nd0.23 O52.53 Sr0.08 Ta0.5 Ti2.53 U0.064 Y0.064 Zr1.05'
_chemical_name_systematic
;
(Na2.10 Ca11.21 Sr0.08 Mn0.128 Ce1.67 La0.23 Nd0.23 Y0.064 U0.064) (Nb11.29 
Ta0.5 Ti2.53 Zr1.05 Fe0.75) O51.27 (O H)1.26 F3.59
;
_space_group_IT_number           227
_symmetry_space_group_name_Hall  'F 4d 2 3 -1d'
_symmetry_space_group_name_H-M   'F d -3 m :1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   10.3947
_cell_length_b                   10.3947
_cell_length_c                   10.3947
_cell_volume                     1123.145
_citation_journal_id_ASTM        CAMIA6
_cod_data_source_file            Perrault_CAMIA6_1968_92.cif
_cod_data_source_block
H1.26Ca11.21Ce1.67F3.59Fe0.75La0.23Mn0.128Na2.1Nb11.29Nd0.23O52.53Sr0.08Ta0.5Ti2.53U0.064Y0.064Zr1.05
_cod_original_sg_symbol_Hall     '-F 4vw 2vw 3 (x+1/8,y+1/8,z+1/8)'
_cod_original_formula_sum
;
H1.26 Ca11.21 Ce1.67 F3.59 Fe0.75 La0.23 Mn0.128 Na2.1 Nb11.29 Nd0.23 O52.53 
Sr0.08 Ta0.5 Ti2.53 U0.064 Y0.064 Zr1.05
;
_cod_database_code               1541540
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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
O2 O-2 0.316 0 0 1 0.0
Mn1 Mn+2 0.125 0.125 0.125 0.008 0.0
U1 U+4 0.125 0.125 0.125 0.004 0.0
La1 La+3 0.125 0.125 0.125 0.014 0.0
Ta1 Ta+5 0.625 0.625 0.625 0.031 0.0
O1 O-2 0 0 0 0.567 0.0
Y1 Y+3 0.125 0.125 0.125 0.004 0.0
Sr1 Sr+2 0.125 0.125 0.125 0.005 0.0
Ti1 Ti+4 0.625 0.625 0.625 0.158 0.0
Na1 Na+1 0.125 0.125 0.125 0.131 0.0
F1 F-1 0 0 0 0.449 0.0
Ca1 Ca+2 0.125 0.125 0.125 0.701 0.0
Fe1 Fe+3 0.625 0.625 0.625 0.047 0.0
Zr1 Zr+4 0.625 0.625 0.625 0.066 0.0
Nd1 Nd+3 0.125 0.125 0.125 0.014 0.0
Nb1 Nb+5 0.625 0.625 0.625 0.706 0.0
Ce1 Ce+3 0.125 0.125 0.125 0.104 0.0
