#------------------------------------------------------------------------------ #$Date: 2010-04-10 21:37:29 +0300 (Sat, 10 Apr 2010) $ #$Revision: 1071 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9012900.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_9012900 loop_ _publ_author_name 'Nicheng, S.' 'Zhesheng, M.' 'Zhizhong, P.' _publ_section_title ; The crystal structure of carbocernaite Locality: deposits of the Bayan Obo, Baotou, China ; _journal_name_full 'Kexue Tongbao' _journal_page_first 76 _journal_page_last 80 _journal_volume 27 _journal_year 1982 _chemical_formula_sum 'C2 Ba0.11 Ca0.74 Ce0.4 Na0.26 O6 Sr0.44' _chemical_name_mineral Carbocernaite _space_group_IT_number 26 _symmetry_space_group_name_Hall 'P 2c -2' _symmetry_space_group_name_H-M 'P m c 21' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.26 _cell_length_b 6.40 _cell_length_c 7.34 _cell_volume 247.094 _exptl_crystal_density_diffrn 3.567 _[local]_cod_data_source_file cifdata.txt _[local]_cod_data_source_block 'global_13539' _[local]_cod_chemical_formula_sum_orig 'Sr.44 Ce.4 Ba.11 (Ca.74 Na.26) C2 O6' _cod_database_code 9012900 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,1/2+z -x,y,z -x,-y,1/2+z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Sr 0.00000 0.11680 0.25550 0.44000 0.01786 Ce 0.00000 0.11680 0.25550 0.40000 0.01786 Ba 0.00000 0.11680 0.25550 0.11000 0.01786 Ca 0.50000 0.48440 0.54950 0.74000 0.02356 Na 0.50000 0.48440 0.54950 0.26000 0.02356 C1 0.00000 0.41760 0.84360 1.00000 0.01203 C2 0.50000 0.03430 0.57820 1.00000 0.02128 O1 0.20970 0.49070 0.29510 1.00000 0.02558 O2 0.28500 0.12880 0.54520 1.00000 0.03154 O3 0.00000 0.23130 0.92040 1.00000 0.03990 O4 0.50000 0.14330 0.14620 1.00000 0.03318 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Sr 0.01582 0.00948 0.02658 0.00000 0.00000 -0.00062 Ce 0.01582 0.00948 0.02658 0.00000 0.00000 -0.00062 Ba 0.01582 0.00948 0.02658 0.00000 0.00000 -0.00062 Ca 0.01975 0.01924 0.03455 0.00000 0.00000 -0.00278 Na 0.01975 0.01924 0.03455 0.00000 0.00000 -0.00278 C1 0.02608 0.01874 0.03343 0.00379 0.00481 0.00100 C2 0.02812 0.01710 0.04774 -0.00418 -0.00227 0.00138 O1 0.03609 0.01886 0.05901 0.00000 0.00000 0.00050 O2 0.05078 0.00834 0.04774 0.00000 0.00000 0.00657 O3 0.02812 0.01164 0.01378 0.00000 0.00000 0.00443 O4 0.02216 0.01556 0.03229 0.00000 0.00000 0.00721