#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/85/1008524.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_1008524 loop_ _publ_author_name 'Eisenmann, B' 'Klein, J' _publ_section_title ; SiS~2~-isostrukturelle Anionen (SiP~2~^2-^),(GeAs~2~^2-^) und (SnAs~2~^2-^) in Alkaliverbindungen ; _journal_coden_ASTM JCOMAH _journal_name_full 'Journal of the Less-Common Metals' _journal_page_first 109 _journal_page_last 117 _journal_paper_doi 10.1016/0022-5088(91)90355-8 _journal_volume 175 _journal_year 1991 _chemical_formula_structural 'Cs2 (Sn As2)' _chemical_formula_sum 'As2 Cs2 Sn' _chemical_name_systematic 'Dicaesium catena-diarsenidostannate' _space_group_IT_number 72 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 72 _symmetry_space_group_name_Hall '-I 2 2c' _symmetry_space_group_name_H-M 'I b a m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 14.657(4) _cell_length_b 7.733(3) _cell_length_c 6.953(3) _cell_volume 788.1 _refine_ls_R_factor_all 0.048 _cod_database_code 1008524 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -x,y,1/2-z x,-y,1/2-z -x,-y,-z x,y,-z x,-y,1/2+z -x,y,1/2+z 1/2+x,1/2+y,1/2+z 1/2-x,1/2-y,1/2+z 1/2-x,1/2+y,-z 1/2+x,1/2-y,-z 1/2-x,1/2-y,1/2-z 1/2+x,1/2+y,1/2-z 1/2+x,1/2-y,z 1/2-x,1/2+y,z 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 Cs1 0.0327(5) 0.0043(4) 0. 0.0318(5) 0. 0.0392(6) Sn1 0.0193(5) 0. 0. 0.0188(6) 0. 0.0142(6) As1 0.0260(7) 0.0116(6) 0. 0.0289(8) 0. 0.0208(7) 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 Cs1 Cs1+ 8 j 0.3529(1) 0.3400(2) 0. 1. 0 d Sn1 Sn4+ 4 b 0.5 0. 0.25 1. 0 d As1 As3- 8 j 0.0982(1) 0.3252(2) 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Cs1+ 1.000 Sn4+ 4.000 As3- -3.000