#------------------------------------------------------------------------------ #$Date: 2012-02-28 14:14:52 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35911 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/02/1000280.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_1000280 _chemical_name_systematic 'Lanthanum oxide sulfide (2/2/2)' _chemical_formula_structural 'La2 O2 S2' _chemical_formula_sum 'La2 O2 S2' _publ_section_title 'Room temperature structure of La~2~O~2~S~2~' loop_ _publ_author_name 'Ostorero, J' 'Leblanc, M' _journal_name_full 'Acta Crystallographica C (39,1983-)' _journal_coden_ASTM ACSCEE _journal_volume 46 _journal_year 1990 _journal_page_first 1376 _journal_page_last 1378 _cell_length_a 13.215(2) _cell_length_b 5.943(1) _cell_length_c 5.938(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 466.4 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'C m c a' _symmetry_Int_Tables_number 64 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,-z' 'x,1/2-y,1/2+z' 'x,1/2+y,1/2-z' '-x,-y,-z' '-x,y,z' '-x,1/2+y,1/2-z' '-x,1/2-y,1/2+z' '1/2+x,1/2+y,z' '1/2+x,1/2-y,-z' '1/2+x,-y,1/2+z' '1/2+x,y,1/2-z' '1/2-x,1/2-y,-z' '1/2-x,1/2+y,z' '1/2-x,y,1/2-z' '1/2-x,-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number La3+ 3.000 S1- -1.000 O2- -2.000 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 La1 La3+ 8 d 0.3392(1) 0. 0. 1. 0 d S1 S1- 8 f 0. 0.3750(2) 0.3747(2) 1. 0 d O1 O2- 8 e 0.25 0.2446(4) 0.25 1. 0 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 La1 0.0052(1) 0. 0. 0.0053(1) -0.0001(1) 0.0045(1) S1 0.0087(2) 0. 0. 0.0098(3) 0.0002(4) 0.0091(3) O1 0.0075(8) 0. 0.0001(7) 0.0066(9) 0. 0.0069(9) _refine_ls_R_factor_all 0.017 _cod_database_code 1000280