#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1100130.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_1100130 _chemical_name_systematic ; Pentasodium Ytterbium Tetracarbonate Dihydrate ; _chemical_formula_structural 'Na5 Yb (C O3)4 (H2 O)2' _chemical_formula_sum 'C4 H4 Na5 O14 Yb' _[local]_cod_chemical_formula_sum_orig 'C4 H4 Na5 O14 Yb1' _publ_section_title ; Microwave-assisted synthesis, crystal structures and thermal behaviour of Na5 Y (C O3)4 and Na5 Yb (C O3)4 * 2(H2 O) ; loop_ _citation_journal_id_ASTM primary 'Journal of Alloys Compd.' 2003 349 114 120 JALCEU loop_ _publ_author_name 'Awaleh, M.O.' 'Ben Ali, A.' 'Maisonneuve, V.' 'Leblanc, M.' _cell_length_a 7.593(2) _cell_length_b 7.593(2) _cell_length_c 11.528(8) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 664.63 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P -4 21 c' _symmetry_Int_Tables_number 114 _refine_ls_R_factor_all 0.023 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'y+1/2, x+1/2, z+1/2' 2 'y, -x, -z' 3 '-y+1/2, -x+1/2, z+1/2' 4 '-y, x, -z' 5 'x+1/2, -y+1/2, -z+1/2' 6 '-x, -y, z' 7 '-x+1/2, y+1/2, -z+1/2' 8 'x, y, z' loop_ _atom_type_symbol _atom_type_oxidation_number C4+ 4 H1+ 1 Na1+ 1 O2- -2 Yb3+ 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_B_iso_or_equiv Yb1 Yb3+ 2 a 0. 0. 0. 1. 0 1.060(7) Na1 Na1+ 2 b 0.5 0.5 0. 1. 0 2.18(5) Na2 Na1+ 8 e 0.3230(2) 0.1815(2) 0.2075(1) 1. 0 1.92(2) C1 C4+ 8 e 0.1824(4) 0.2861(3) -0.0795(2) 1. 0 1.39(3) O1 O2- 8 e 0.0954(3) 0.1796(3) 0.8525(2) 1. 0 1.46(3) O2 O2- 8 e 0.1702(3) 0.2527(3) 0.0315(2) 1. 0 1.61(3) O3 O2- 8 e 0.2745(3) 0.4092(3) 0.8803(2) 1. 0 2.29(4) O4 O2- 4 d 0. 0.5 0.1673(3) 1. 2 2.03(4) H1 H1+ 8 e 0.056(8) 0.438(8) 0.115(4) 1. 0 2.03(4)