#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2002754.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_2002754 _chemical_name_systematic ; Barium lutetium aluminium zinc oxide (1/1/0.91/3.1/7) ; _chemical_formula_structural 'Ba Lu (Al.91 Zn3.09 O7)' _chemical_formula_sum 'Al.91 Ba Lu O7 Zn3.09' _publ_section_title ; Zur Kenntnis eines Barium-Lanthanoid-Aluminat-Zinkats: Ba Lu Al Zn3 O7 mit einem Anhang zu Ba2 Er2 Zn8 O13. ; loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Rabbow, C' _journal_name_full ; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) ; _journal_volume 51 _journal_year 1996 _journal_page_first 343 _journal_page_last 347 _cell_length_a 6.237(2) _cell_length_b 6.237(2) _cell_length_c 10.161(3) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 342.3 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P 63 m c' _symmetry_Int_Tables_number 186 _symmetry_cell_setting hexagonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'y-x,y,z' 'x,x-y,z' '-x,-y,1/2+z' 'y,y-x,1/2+z' 'x-y,x,1/2+z' 'y,x,1/2+z' 'x-y,-y,1/2+z' '-x,y-x,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Lu3+ 3.000 Ba2+ 2.000 Zn2+ 2.000 Al3+ 3.000 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 Lu1 Lu3+ 2 b 0.6667 0.3333 0.85564(1) 1. 0 d Ba1 Ba2+ 2 b 0.6667 0.3333 0.48085(2) 1. 0 d Zn1 Zn2+ 6 c 0.17051(2) 0.82949(2) 0.66761(3) 0.7898(11) 0 d Al1 Al3+ 6 c 0.17051(2) 0.82949(2) 0.66761(3) 0.2102(11) 0 d Zn2 Zn2+ 2 a 1. 1. 0.41949(6) 0.722(2) 0 d Al2 Al3+ 2 a 1. 1. 0.41949(6) 0.278(2) 0 d O1 O2- 6 c 0.5000(2) 0.5000(2) 0.7314(2) 1. 0 d O2 O2- 2 a 1. 1. 0.2311(3) 1. 0 d O3 O2- 6 c 0.1652(2) 0.8348(2) 0.4804(2) 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 Lu1 0.00576(2) 0.00288(1) 0. 0.00576(2) 0. 0.00395(3) Ba1 0.01830(5) 0.00915(3) 0. 0.01830(5) 0. 0.01594(9) Zn1 0.00842(4) 0.00477(4) 0.00033(9) 0.00842(4) -0.00033(9) 0.00639(7) Al1 0.00842(4) 0.00477(4) 0.00033(9) 0.00842(4) -0.00033(9) 0.00639(7) Zn2 0.00844(8) 0.00422(4) 0. 0.00844(8) 0. 0.00645(14) Al2 0.00844(8) 0.00422(4) 0. 0.00844(8) 0. 0.00645(14) O1 0.0160(2) 0.0095(3) -0.0077(4) 0.0160(2) 0.0077(4) 0.0409(9) O2 0.0109(5) 0.0055(3) 0. 0.0109(5) 0. 0.0167(12) O3 0.0405(3) 0.0336(3) 0.0019(3) 0.0405(3) -0.0019(3) 0.0138(6) _refine_ls_R_factor_all 0.0209