#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/28/2002818.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_2002818 loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Rabbow, C' 'Panzer, S' _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 ; _journal_name_full ; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) ; _journal_page_first 546 _journal_page_last 548 _journal_volume 52 _journal_year 1997 _chemical_formula_analytical 'Ba1.03 Sm1.98 Zn0.99 O5' _chemical_formula_structural 'Ba Sm2 Zn O5' _chemical_formula_sum 'Ba O5 Sm2 Zn' _chemical_name_systematic 'Barium disamarium zinc oxide' _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 12.5748(15) _cell_length_b 5.8042(3) _cell_length_c 7.1976(3) _cell_volume 525.3 _refine_ls_R_factor_all 0.0471 _cod_database_code 2002818 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_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 Sm1 0.00418(7) 0. -0.00004(6) 0.00568(8) 0. 0.00622(8) Sm2 0.00454(7) 0. -0.00013(6) 0.00599(8) 0. 0.00673(8) Ba1 0.00820(9) 0. -0.00125(9) 0.00908(10) 0. 0.01227(10) Zn1 0.0061(2) 0. 0.0012(2) 0.0079(2) 0. 0.0071(2) O1 0.0074(7) -0.0011(8) 0.0010(8) 0.0082(9) 0.0017(9) 0.0116(9) O2 0.0108(8) 0.0026(8) 0.0052(8) 0.0119(11) 0.0037(9) 0.0125(10) O3 0.0071(12) 0. -0.0002(11) 0.0117(13) 0. 0.0072(12) 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 Sm1 Sm3+ 4 c 0.07432(2) 0.25 0.39687(3) 1. 0 d Sm2 Sm3+ 4 c -0.20756(2) 0.25 0.38103(3) 1. 0 d Ba1 Ba2+ 4 c -0.09901(2) 0.25 -0.07542(4) 1. 0 d Zn1 Zn2+ 4 c -0.35039(4) 0.25 0.69117(8) 1. 0 d O1 O2- 8 d -0.4344(2) 0.0059(4) 0.8308(3) 1. 0 d O2 O2- 8 d -0.2252(2) 0.0045(4) 0.6466(3) 1. 0 d O3 O2- 4 c -0.4009(3) 0.25 0.4317(5) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Sm3+ 3.000 Ba2+ 2.000 Zn2+ 2.000 O2- -2.000