#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/27/2002755.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_2002755 loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Rabbow, C' _publ_section_title ; Zur Kenntnis eines Barium-Lanthanoid-Aluminat-Zinkats: Ba Lu Al Zn3 O7 mit einem Anhang zu Ba2 Er2 Zn8 O13. ; _journal_name_full ; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) ; _journal_page_first 343 _journal_page_last 347 _journal_volume 51 _journal_year 1996 _chemical_formula_structural 'Ba2 Er2 Zn8 O13.04' _chemical_formula_sum 'Ba2 Er2 O13.04 Zn8' _chemical_name_systematic 'Barium erbium zinc oxide (2/2/8/13.04)' _space_group_IT_number 186 _symmetry_cell_setting hexagonal _symmetry_Int_Tables_number 186 _symmetry_space_group_name_Hall 'P 6c -2c' _symmetry_space_group_name_H-M 'P 63 m c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 1 _cell_length_a 6.276(2) _cell_length_b 6.276(2) _cell_length_c 10.195(3) _cell_volume 347.8 _refine_ls_R_factor_all 0.0546 _cod_database_code 2002755 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_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 Er1 Er3+ 2 b 0.6667 0.3333 0.85564(6) 1. 0 d Ba1 Ba2+ 2 b 0.6667 0.3333 0.4836(2) 1. 0 d Zn1 Zn2+ 6 c 0.1702(3) 0.8298(3) 0.6680(5) 1. 0 d Zn2 Zn2+ 2 a 1. 1. 0.4184(8) 1. 0 d O1 O2- 6 c 0.4945(22) 0.5055(22) 0.7391(18) 0.92 0 d O2 O2- 2 a 1. 1. 0.2430(29) 1. 0 d O3 O2- 6 c 0.1699(26) 0.8301(26) 0.4875(17) 0.92 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Er3+ 3.000 Ba2+ 2.000 Zn2+ 2.000 O2- -2.000