#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/84/9008431.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_9008431 loop_ _publ_author_name 'Noe D C' 'Hughes J M' 'Mariano A N' 'Drexler J W' 'Kato A' _publ_section_title ; The crystal structure of monoclinic britholite-(Ce) and britholite-(Y) Note: annealed sample Locality: the Kipawa syenite gneiss complex ; _journal_name_full 'Zeitschrift fur Kristallographie' _journal_page_first 233 _journal_page_last 246 _journal_volume 206 _journal_year 1993 _chemical_formula_sum 'Ca2.43 Ce2.57 F0.8 H O12.1 Si3' _[local]_cod_chemical_formula_sum_orig '(Ca2.43 Ce2.57) Si3 O12.1 F.8 H' _chemical_name_mineral Britholite-(Ce) _symmetry_space_group_name_H-M 'P 1 1 21' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120.038 _cell_length_a 9.4932 _cell_length_b 9.4985 _cell_length_c 6.9371 _cell_volume 541.514 loop_ _symmetry_equiv_pos_as_xyz 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 Ca1a 0.33306 0.66670 -0.00540 0.58000 0.01482 Ce1a 0.33306 0.66670 -0.00540 0.42000 0.01482 Ca1b 0.33361 0.66653 0.49340 0.63000 0.01127 Ce1b 0.33361 0.66653 0.49340 0.37000 0.01127 Ca2a 0.99015 0.24053 0.24370 0.40000 0.01280 Ce2a 0.99015 0.24053 0.24370 0.60000 0.01280 Ca2b 0.24055 0.25039 0.74350 0.41000 0.01294 Ce2b 0.24055 0.25039 0.74350 0.59000 0.01294 Ca2c 0.25040 0.00989 0.24450 0.41000 0.01265 Ce2c 0.25040 0.00989 0.24450 0.59000 0.01265 Si1 0.02840 0.62960 0.25000 1.00000 0.00887 Si2 0.37020 0.39850 0.24300 1.00000 0.00912 Si3 0.60120 0.97150 0.24070 1.00000 0.00912 O1a 0.83540 0.51150 0.23600 1.00000 0.01684 O1b 0.48780 0.32300 0.23800 1.00000 0.01773 O1c 0.67590 0.16420 0.25300 1.00000 0.01748 O2a 0.40560 0.87390 0.22700 1.00000 0.01520 O2b 0.46810 0.59450 0.22600 1.00000 0.01229 O2c 0.12660 0.53280 0.26700 1.00000 0.01140 O3a 0.63920 0.90100 0.05380 1.00000 0.01077 O3b 0.68280 0.92370 0.42000 1.00000 0.01900 O3c 0.26130 0.36020 0.05460 1.00000 0.01089 O3d 0.24070 0.31710 0.42100 1.00000 0.02153 O3e 0.07620 0.75810 0.07060 1.00000 0.01672 O3f 0.09990 0.73800 0.43950 1.00000 0.01406 F -0.00040 0.99950 0.21170 0.80000 0.53422 O-H -0.00040 0.99950 0.21170 0.10000 0.78752 _cod_database_code 9008431