#------------------------------------------------------------------------------ #$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $ #$Revision: 26848 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/26/2002611.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_2002611 _chemical_name_systematic 'Silver ytterbium bis(molybdate)' _chemical_formula_structural '(Ag Yb) (Mo O4)2' _chemical_formula_sum 'Ag Mo2 O8 Yb' _publ_section_title ; Zur Kristallstruktur von Silber-Lanthanoid-Oxomolybdaten Ag Ln Mo2 O8: Einkristalluntersuchungen an Ag Sm Mo2 O8 und Ag Yb Mo2 O8 mit einer Notiz ueber mikrokristallines Material fuerLn= Y, La ; loop_ _publ_author_name 'Rath, M' 'Mueller-Buschbaum, Hk' _journal_name_full 'Journal of Alloys Compd.' _journal_volume 198 _journal_year 1993 _journal_page_first 193 _journal_page_last 196 _cell_length_a 5.1805(29) _cell_length_b 5.1805(29) _cell_length_c 11.3663(33) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 305.0 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'I -4' _symmetry_Int_Tables_number 82 _symmetry_cell_setting tetragonal loop_ _symmetry_equiv_pos_as_xyz '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' loop_ _atom_type_symbol _atom_type_oxidation_number Ag1+ 1.000 Yb3+ 3.000 Mo6+ 6.000 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 Ag1 Ag1+ 2 d 0.5 0. 0.25 0.5 0 d Yb1 Yb3+ 2 d 0.5 0. 0.25 0.5 0 d Ag2 Ag1+ 2 b 0.5 0.5 0. 0.5 0 d Yb2 Yb3+ 2 b 0.5 0.5 0. 0.5 0 d Mo1 Mo6+ 2 a 0. 0. 0. 1. 0 d Mo2 Mo6+ 2 c 0. 0.5 0.25 1. 0 d O1 O2- 8 g 0.2497(20) 0.1517(20) 0.0843(16) 1. 0 d O2 O2- 8 g 0.2417(20) 0.6529(20) 0.1635(16) 1. 0 d _refine_ls_R_factor_all 0.055 _cod_database_code 2002611