#------------------------------------------------------------------------------ #$Date: 2010-01-30 13:59:17 +0000 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: svn://www.crystallography.net/cod/cif/1/1007194.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_1007194 _chemical_name_systematic ; Tetrasodium dirubidium cyclo-hexaphosphate hexahydrate ; _chemical_formula_structural 'Na4 Rb2 (P6 O18) (H2 O)6' _chemical_formula_sum 'H12 Na4 O24 P6 Rb2' _publ_section_title ; Crystal chemistry of cyclo-hexaphosphates. XV.Structures of sodium ammonium cyclo-hexaphosphate dihydrate and sodium rubidium cyclo- hexaphosphate hexahydrate ; loop_ _publ_author_name 'Averbuch-Pouchot, M T' 'Durif, A' _journal_name_full 'Acta Crystallographica C (39,1983-)' _journal_coden_ASTM ACSCEE _journal_volume 47 _journal_year 1991 _journal_page_first 932 _journal_page_last 936 _cell_length_a 7.532(3) _cell_length_b 9.752(3) _cell_length_c 8.730(3) _cell_angle_alpha 113.92(4) _cell_angle_beta 102.29(4) _cell_angle_gamma 85.00(4) _cell_volume 572.7 _cell_formula_units_Z 1 _symmetry_space_group_name_H-M 'P -1' _symmetry_Int_Tables_number 2 _symmetry_cell_setting triclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Rb1+ 1.000 P5+ 5.000 Na1+ 1.000 O2- -2.000 H1+ 1.000 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 Rb1 Rb1+ 2 i 0.24345(5) 0.37992(4) 0.84913(4) 1. 0 d P1 P5+ 2 i 0.0750(1) 0.24108(8) 0.13752(9) 1. 0 d P2 P5+ 2 i 0.7412(1) 0.88303(8) 0.61883(9) 1. 0 d P3 P5+ 2 i 0.2429(1) 0.80028(8) 0.12834(9) 1. 0 d Na1 Na1+ 2 i 0.5352(2) 0.2863(2) 0.2214(2) 1. 0 d Na2 Na1+ 2 i 0.1511(2) 0.8597(2) 0.5250(2) 1. 0 d O1 O2- 2 i 0.7600(3) 0.7884(3) 0.9380(3) 1. 0 d O2 O2- 2 i -0.0182(4) 0.6013(3) 0.7729(3) 1. 0 d O3 O2- 2 i 0.0860(3) 0.1553(2) 0.2615(3) 1. 0 d O4 O2- 2 i 0.0911(3) 0.8521(3) 0.0036(3) 1. 0 d O5 O2- 2 i 0.3316(3) 0.9614(2) 0.2529(3) 1. 0 d O6 O2- 2 i 0.8168(4) 0.9068(3) 0.4883(3) 1. 0 d O7 O2- 2 i 0.5937(4) 0.7737(3) 0.5698(3) 1. 0 d O8 O2- 2 i 0.1556(4) 0.7386(3) 0.2239(3) 1. 0 d O9 O2- 2 i 0.6150(3) 0.2883(3) 0.9660(3) 1. 0 d O10 O2- 2 i 0.3327(4) 0.9537(3) 0.8047(3) 1. 2 d O11 O2- 2 i 0.5511(4) 0.4669(3) 0.7129(4) 1. 2 d O12 O2- 2 i 0.1936(4) 0.6218(3) 0.5519(3) 1. 2 d H1 H1+ 2 i 0.31(1) 0.017(8) 0.886(9) 1. 0 d H2 H1+ 2 i 0.41(1) 0.017(9) 0.81(1) 1. 0 d H3 H1+ 2 i 0.490(9) 0.604(7) 0.370(8) 1. 0 d H4 H1+ 2 i 0.37(1) 0.609(8) 0.286(9) 1. 0 d H5 H1+ 2 i 0.188(9) 0.545(7) 0.453(8) 1. 0 d H6 H1+ 2 i 0.14(1) 0.586(8) 0.616(9) 1. 0 d _refine_ls_R_factor_all 0.04 _cod_database_code 1007194