#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1010976.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_1010976 _chemical_name_systematic 'Cerium fluoride' _chemical_name_mineral 'Fluocerite (Ce)' _chemical_compound_source 'from W. Cheyenne Canon, Colorado, USA' _chemical_formula_structural 'Ce F3' _chemical_formula_analytical '(Ce, La, Nd) F3' _chemical_formula_sum 'Ce F3' _publ_section_title ; Ueber die Kristallstruktur von Tysonit und einigen kuenstlich dargestellten Lanthanidenfluoriden ; loop_ _publ_author_name 'Oftedal, I' _journal_name_full ; Zeitschrift fuer Physikalische Chemie, Abteilung B: Chemie der Elementarprozesse, Aufbau der Materie ; _journal_coden_ASTM ZPCBAL _journal_volume 5 _journal_year 1929 _journal_page_first 272 _journal_page_last 292 _cell_length_a 7.137(4) _cell_length_b 7.137(4) _cell_length_c 7.295(5) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 321.8 _cell_formula_units_Z 6 _exptl_crystal_density_meas 6.08(6) _symmetry_space_group_name_H-M 'P 63 2 2' _symmetry_Int_Tables_number 182 _symmetry_cell_setting hexagonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' 'y,x,-z' 'x-y,-y,-z' '-x,y-x,-z' '-x,-y,1/2+z' 'y,y-x,1/2+z' 'x-y,x,1/2+z' '-y,-x,1/2-z' 'y-x,y,1/2-z' 'x,x-y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Ce3+ 3.000 F1- -1.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Ce1 Ce3+ 6 g 0.3333 0.3333 0. 1. 0 d F1 F1- 12 i 0.38 0.046 0.16 1. 0 d F2 F1- 4 f 0.3333 0.6667 0.0833 1. 0 d F3 F1- 2 b 0. 0. 0.25 1. 0 d _cod_database_code 1010976