#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/28/2002817.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_2002817 loop_ _publ_author_name 'Sfreddo, O' 'Rabbow, C' 'Mueller-Buschbaum, Hk' _publ_section_title ; Zur Kristallchemie von Oxozinkat-Platinaten und Oxozinkaten der Zusammensetzung Ba17 Tm16 Zn8 Pt4 O57 und Ba5 Tm8 Zn4 O21 ; _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_page_first 699 _journal_page_last 704 _journal_paper_doi 10.1002/zaac.199762301111 _journal_volume 623 _journal_year 1997 _chemical_formula_structural 'Ba5 Zn4 Tm8 O21' _chemical_formula_sum 'Ba5 O21 Tm8 Zn4' _chemical_name_systematic 'Barium zinc tamarium oxide (5/4/8/21)' _space_group_IT_number 87 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 87 _symmetry_space_group_name_Hall '-I 4' _symmetry_space_group_name_H-M 'I 4/m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 13.652(1) _cell_length_b 13.652(1) _cell_length_c 5.664(1) _cell_volume 1055.6 _refine_ls_R_factor_all 0.071 _cod_database_code 2002817 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -y,x,z y,-x,z -x,-y,-z x,y,-z y,-x,-z -y,x,-z 1/2+x,1/2+y,1/2+z 1/2-x,1/2-y,1/2+z 1/2-y,1/2+x,1/2+z 1/2+y,1/2-x,1/2+z 1/2-x,1/2-y,1/2-z 1/2+x,1/2+y,1/2-z 1/2+y,1/2-x,1/2-z 1/2-y,1/2+x,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 Tm1 0.00242(7) -0.00014(6) 0. 0.00191(7) 0. 0.00762(9) Tm2 0.00230(7) -0.00030(6) 0. 0.00177(7) 0. 0.00765(9) Ba1 0.00507(13) 0. 0. 0.00507(13) 0. 0.0092(2) Ba2 0.00663(10) -0.00041(9) 0. 0.00431(10) 0. 0.01061(12) Zn1 0.0047(2) 0.0002(2) 0. 0.0045(2) 0. 0.0086(3) 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+ 8 h 0.24834(2) 0.16797(2) 0. 1. 0 d Tm2 Tm3+ 8 h 0.41153(2) 0.35785(2) 0. 1. 0 d Ba1 Ba2+ 2 a 0. 0. 0. 1. 0 d Ba2 Ba2+ 8 h 0.53536(2) 0.13979(2) 0. 1. 0 d Zn1 Zn2+ 8 h 0.04031(5) 0.25018(5) 0. 1. 0 d O1 O2- 2 b 0.5 0.5 0. 1. 0 d O2 O2- 8 h 0.6267(3) 0.9618(3) 0. 1. 0 d O3 O2- 16 i 0.6779(2) 0.5484(2) 0.7471(6) 1. 0 d O4 O2- 16 i 0.3519(2) 0.2423(2) 0.2510(6) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Tm3+ 3.000 Ba2+ 2.000 Zn2+ 2.000 O2- -2.000