#------------------------------------------------------------------------------ #$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $ #$Revision: 176465 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/40/9014022.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9014022 loop_ _publ_author_name 'Brandenberger, E.' _publ_section_title ; Die Kristallstruktur des Koppit _cod_database_code 1011136 ; _journal_name_full 'Zeitschrift fur Kristallographie' _journal_page_first 322 _journal_page_last 334 _journal_volume 76 _journal_year 1931 _chemical_formula_sum 'Ca1.125 Ce0.25 F0.25 Fe0.375 K0.25 Na0.375 Nb1.625 O6.75' _chemical_name_mineral Pyrochlore _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_length_a 10.39 _cell_length_b 10.39 _cell_length_c 10.39 _cell_volume 1121.622 _database_code_amcsd 0018025 _exptl_crystal_density_diffrn 4.538 _cod_original_sg_symbol_H-M 'F d 3 m' _cod_original_formula_sum '(Na.375 K.25 Ca1.125 Ce.25) (Fe.375 Nb1.625) O6.75 F.25' _cod_database_code 9014022 loop_ _space_group_symop_operation_xyz x,y,z x,1/2+y,1/2+z 1/2+x,y,1/2+z 1/2+x,1/2+y,z 3/4+z,3/4-x,1/4+y 3/4+z,1/4-x,3/4+y 1/4+z,3/4-x,3/4+y 1/4+z,1/4-x,1/4+y -y,1/2+z,1/2-x -y,+z,-x 1/2-y,1/2+z,-x 1/2-y,+z,1/2-x 3/4+x,3/4-y,1/4+z 3/4+x,1/4-y,3/4+z 1/4+x,3/4-y,3/4+z 1/4+x,1/4-y,1/4+z -z,1/2+x,1/2-y -z,+x,-y 1/2-z,1/2+x,-y 1/2-z,+x,1/2-y 3/4+y,3/4-z,1/4+x 3/4+y,1/4-z,3/4+x 1/4+y,3/4-z,3/4+x 1/4+y,1/4-z,1/4+x -x,1/2+y,1/2-z -x,+y,-z 1/2-x,1/2+y,-z 1/2-x,+y,1/2-z 1/2+x,-z,1/2-y 1/2+x,1/2-z,-y +x,-z,-y +x,1/2-z,1/2-y 3/4-z,3/4+y,1/4+x 3/4-z,1/4+y,3/4+x 1/4-z,3/4+y,3/4+x 1/4-z,1/4+y,1/4+x 1/2+y,-x,1/2-z 1/2+y,1/2-x,-z +y,-x,-z +y,1/2-x,1/2-z 3/4-x,3/4+z,1/4+y 3/4-x,1/4+z,3/4+y 1/4-x,3/4+z,3/4+y 1/4-x,1/4+z,1/4+y 1/2+z,-y,1/2-x 1/2+z,1/2-y,-x +z,-y,-x +z,1/2-y,1/2-x 3/4-y,3/4+x,1/4+z 3/4-y,1/4+x,3/4+z 1/4-y,3/4+x,3/4+z 1/4-y,1/4+x,1/4+z x,1/2+z,1/2+y x,+z,+y 1/2+x,1/2+z,+y 1/2+x,+z,1/2+y 1/4-z,3/4-y,3/4-x 1/4-z,1/4-y,1/4-x 3/4-z,3/4-y,1/4-x 3/4-z,1/4-y,3/4-x y,1/2+x,1/2+z y,+x,+z 1/2+y,1/2+x,+z 1/2+y,+x,1/2+z 1/4-x,3/4-z,3/4-y 1/4-x,1/4-z,1/4-y 3/4-x,3/4-z,1/4-y 3/4-x,1/4-z,3/4-y z,1/2+y,1/2+x z,+y,+x 1/2+z,1/2+y,+x 1/2+z,+y,1/2+x 1/4-y,3/4-x,3/4-z 1/4-y,1/4-x,1/4-z 3/4-y,3/4-x,1/4-z 3/4-y,1/4-x,3/4-z 3/4+z,1/4+x,3/4-y 3/4+z,3/4+x,1/4-y 1/4+z,1/4+x,1/4-y 1/4+z,3/4+x,3/4-y -y,1/2-z,1/2+x -y,-z,+x 1/2-y,1/2-z,+x 1/2-y,-z,1/2+x 3/4+x,1/4+y,3/4-z 3/4+x,3/4+y,1/4-z 1/4+x,1/4+y,1/4-z 1/4+x,3/4+y,3/4-z -z,1/2-x,1/2+y -z,-x,+y 1/2-z,1/2-x,+y 1/2-z,-x,1/2+y 3/4+y,1/4+z,3/4-x 3/4+y,3/4+z,1/4-x 1/4+y,1/4+z,1/4-x 1/4+y,3/4+z,3/4-x -x,1/2-y,1/2+z -x,-y,+z 1/2-x,1/2-y,+z 1/2-x,-y,1/2+z 1/4-z,3/4+x,3/4+y 1/4-z,1/4+x,1/4+y 3/4-z,3/4+x,1/4+y 3/4-z,1/4+x,3/4+y y,-z,-x y,1/2-z,1/2-x 1/2+y,-z,1/2-x 1/2+y,1/2-z,-x 1/4-x,3/4+y,3/4+z 1/4-x,1/4+y,1/4+z 3/4-x,3/4+y,1/4+z 3/4-x,1/4+y,3/4+z z,-x,-y z,1/2-x,1/2-y 1/2+z,-x,1/2-y 1/2+z,1/2-x,-y 1/4-y,3/4+z,3/4+x 1/4-y,1/4+z,1/4+x 3/4-y,3/4+z,1/4+x 3/4-y,1/4+z,3/4+x x,-y,-z x,1/2-y,1/2-z 1/2+x,-y,1/2-z 1/2+x,1/2-y,-z 1/2-x,1/2+z,-y 1/2-x,+z,1/2-y -x,1/2+z,1/2-y -x,+z,-y 1/4+z,3/4-y,3/4+x 1/4+z,1/4-y,1/4+x 3/4+z,3/4-y,1/4+x 3/4+z,1/4-y,3/4+x 1/2-y,1/2+x,-z 1/2-y,+x,1/2-z -y,1/2+x,1/2-z -y,+x,-z 1/4+x,3/4-z,3/4+y 1/4+x,1/4-z,1/4+y 3/4+x,3/4-z,1/4+y 3/4+x,1/4-z,3/4+y 1/2-z,1/2+y,-x 1/2-z,+y,1/2-x -z,1/2+y,1/2-x -z,+y,-x 1/4+y,3/4-x,3/4+z 1/4+y,1/4-x,1/4+z 3/4+y,3/4-x,1/4+z 3/4+y,1/4-x,3/4+z -x,-z,y -x,1/2-z,1/2+y 1/2-x,-z,1/2+y 1/2-x,1/2-z,y 3/4+z,3/4+y,1/4-x 3/4+z,1/4+y,3/4-x 1/4+z,3/4+y,3/4-x 1/4+z,1/4+y,1/4-x -y,-x,z -y,1/2-x,1/2+z 1/2-y,-x,1/2+z 1/2-y,1/2-x,z 3/4+x,3/4+z,1/4-y 3/4+x,1/4+z,3/4-y 1/4+x,3/4+z,3/4-y 1/4+x,1/4+z,1/4-y -z,-y,x -z,1/2-y,1/2+x 1/2-z,-y,1/2+x 1/2-z,1/2-y,x 3/4+y,3/4+x,1/4-z 3/4+y,1/4+x,3/4-z 1/4+y,3/4+x,3/4-z 1/4+y,1/4+x,1/4-z 1/4-z,1/4-x,1/4-y 1/4-z,3/4-x,3/4-y 3/4-z,1/4-x,3/4-y 3/4-z,3/4-x,1/4-y y,z,x y,1/2+z,1/2+x 1/2+y,z,1/2+x 1/2+y,1/2+z,x 1/4-x,1/4-y,1/4-z 1/4-x,3/4-y,3/4-z 3/4-x,1/4-y,3/4-z 3/4-x,3/4-y,1/4-z z,x,y z,1/2+x,1/2+y 1/2+z,x,1/2+y 1/2+z,1/2+x,y 1/4-y,1/4-z,1/4-x 1/4-y,3/4-z,3/4-x 3/4-y,1/4-z,3/4-x 3/4-y,3/4-z,1/4-x loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Na1 0.62500 0.62500 0.62500 0.18750 K1 0.62500 0.62500 0.62500 0.12500 Ca1 0.62500 0.62500 0.62500 0.56250 Ce1 0.62500 0.62500 0.62500 0.12500 Fe1 0.12500 0.12500 0.12500 0.18750 Nb1 0.12500 0.12500 0.12500 0.81250 O1 0.19000 0.00000 0.00000 1.00000 O2 0.50000 0.50000 0.50000 0.37500 O3 0.50000 0.50000 0.50000 0.37500 F1 0.50000 0.50000 0.50000 0.25000