#------------------------------------------------------------------------------ #$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $ #$Revision: 176465 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/54/9015419.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_9015419 loop_ _publ_author_name 'Sciberras, M. J.' 'Leverett, P.' 'Williams, P. A.' 'Hibbs, D. E.' 'Roberts, A. C.' 'Grice, J. D.' _publ_section_title ; The single-crystal X-ray structure of gagarinite-(Ce) ; _journal_name_full 'The Canadian Mineralogist' _journal_page_first 1111 _journal_page_last 1114 _journal_paper_doi 10.3749/canmin.49.4.1111 _journal_volume 49 _journal_year 2011 _chemical_compound_source 'Strange Lake deposit, Quebec-Labrador, Canada' _chemical_formula_sum 'Ca0.45 Ce0.275 Dy0.006 F3 Gd0.033 La0.143 Na0.45 Nd0.099 Sm0.011 Y0.044' _chemical_name_mineral Gagarinite-(Ce) _space_group_IT_number 176 _symmetry_space_group_name_Hall '-P 6c' _symmetry_space_group_name_H-M 'P 63/m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 6.0861 _cell_length_b 6.0861 _cell_length_c 3.6810 _cell_volume 118.080 _database_code_amcsd 0018644 _exptl_crystal_density_diffrn 4.775 _cod_original_formula_sum 'Ce.275 La.143 Nd.099 Y.044 Gd.033 Sm.011 Dy.006 Ca.45 Na.45 F3' _cod_database_code 9015419 loop_ _space_group_symop_operation_xyz x,y,z -x+y,-x,1/2-z x-y,x,1/2+z y,-x+y,-z -y,x-y,z x,y,1/2-z -x,-y,1/2+z x-y,x,-z -x+y,-x,z -y,x-y,1/2-z y,-x+y,1/2+z -x,-y,-z 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 Ce 0.00700 0.00700 0.00300 0.00350 0.00000 0.00000 La 0.00700 0.00700 0.00300 0.00350 0.00000 0.00000 Nd 0.00700 0.00700 0.00300 0.00350 0.00000 0.00000 Y 0.00700 0.00700 0.00300 0.00350 0.00000 0.00000 Gd 0.00700 0.00700 0.00300 0.00350 0.00000 0.00000 Sm 0.00700 0.00700 0.00300 0.00350 0.00000 0.00000 Dy 0.00700 0.00700 0.00300 0.00350 0.00000 0.00000 Ca 0.00700 0.00700 0.00300 0.00350 0.00000 0.00000 Na 0.00200 0.00200 0.03300 0.00100 0.00000 0.00000 F 0.00800 0.00800 0.00800 0.00400 0.00000 0.00000 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 Ce 0.66667 0.33333 0.25000 0.27500 0.00600 La 0.66667 0.33333 0.25000 0.14300 0.00600 Nd 0.66667 0.33333 0.25000 0.09900 0.00600 Y 0.66667 0.33333 0.25000 0.04400 0.00600 Gd 0.66667 0.33333 0.25000 0.03300 0.00600 Sm 0.66667 0.33333 0.25000 0.01100 0.00600 Dy 0.66667 0.33333 0.25000 0.00600 0.00600 Ca 0.66667 0.33333 0.25000 0.45000 0.00600 Na 0.00000 0.00000 0.00000 0.45000 0.01200 F 0.30460 0.38900 0.25000 1.00000 0.00800