#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002819.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_2002819 _chemical_name_systematic 'Barium dithulium zinc oxide' _chemical_formula_structural 'Ba Tm2 Zn O5' _chemical_formula_analytical 'Ba1.06 O5 Tm1.94 Zn1.03' _chemical_formula_sum 'Ba O5 Tm2 Zn' _publ_section_title ; Roentgenstrukturanalyse von zwei Verbindungen des Kupfertyps Ba M Ln2 O5 (M= Zn, Ln= Sm, Tm) und von Ba Sm Al Zn3 O7 ; loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Rabbow, C' 'Panzer, S' _journal_name_full ; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) ; _journal_volume 52 _journal_year 1997 _journal_page_first 546 _journal_page_last 548 _cell_length_a 12.258(2) _cell_length_b 5.6837(9) _cell_length_c 7.010(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 488.4 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P n m a' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2-z' '-x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2+z' 'x,1/2-y,z' '1/2+x,y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Tm3+ 3.000 Ba2+ 2.000 Zn2+ 2.000 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 Tm1 Tm3+ 4 c 0.074120(13) 0.25 0.60049(2) 1. 0 d Tm2 Tm3+ 4 c 0.292170(13) 0.25 0.87863(2) 1. 0 d Ba1 Ba2+ 4 c 0.39956(2) 0.25 0.42200(3) 1. 0 d Zn1 Zn2+ 4 c 0.15058(4) 0.25 0.19055(6) 1. 0 d O1 O2- 8 d 0.2756(2) 0.0006(3) 0.1394(2) 1. 0 d O2 O2- 8 d 0.06741(15) -0.0013(3) 0.3355(2) 1. 0 d O3 O2- 4 c 0.1009(2) 0.25 -0.0765(3) 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 Tm1 0.00374(5) 0. -0.00047(5) 0.00570(5) 0. 0.00397(5) Tm2 0.00423(5) 0. 0.00016(6) 0.00548(6) 0. 0.00461(5) Ba1 0.00717(8) 0. -0.00053(8) 0.00756(8) 0. 0.00916(8) Zn1 0.0066(2) 0. 0.0006(2) 0.0065(2) 0. 0.0058(2) O1 0.0217(9) 0.0045(8) 0.0058(7) 0.0190(9) 0.0065(8) 0.0156(7) O2 0.0206(8) 0.0064(8) 0.0043(7) 0.0093(7) 0.0016(7) 0.0196(7) O3 0.0096(9) 0. 0.0076(9) 0.035(2) 0. 0.0091(9) _refine_ls_R_factor_all 0.1293