#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1007019.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_1007019 _chemical_name_systematic ; Nickel disodium tetrakis(dihydrogenphosphate) tetrahydrate ; _chemical_formula_structural 'NA2 NI H8 (P O4)4 (H2 O)4' _chemical_formula_sum 'H16 Na2 Ni O20 P4' _publ_section_title ; Structure cristalline d'un monophosphate acide mixte de nickel-sodium tetrahydrate Na~2~ Ni H~8~ (P O~4~)~4~ (H~2~ O)~4~ ; loop_ _publ_author_name 'Boudjada, A' 'Durif, A' 'Guitel, J C' _journal_name_full 'Acta Crystallographica B (24,1968-38,1982)' _journal_coden_ASTM ACBCAR _journal_volume 34 _journal_year 1978 _journal_page_first 17 _journal_page_last 20 _cell_length_a 11.10(2) _cell_length_b 10.71(2) _cell_length_c 7.224(5) _cell_angle_alpha 90 _cell_angle_beta 100.2(1) _cell_angle_gamma 90 _cell_volume 845.2 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P 1 21/n 1' _symmetry_Int_Tables_number 14 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Ni2+ 2.000 Na1+ 1.000 P5+ 5.000 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 Ni1 Ni2+ 2 a 0. .00000(77) .00000(156) 1. 0 d Na1 Na1+ 4 e 0.54066(11) 0.17130(11) 0.24618(16) 1. 0 d P1 P5+ 4 e 0.08091(6) 0.26109(6) 0.26036(9) 1. 0 d P2 P5+ 4 e 0.71749(6) 0.45432(6) 0.26068(9) 1. 0 d O1 O2- 4 e 0.49005(18) 0.82958(19) 0.10119(26) 1. 0 d O2 O2- 4 e 0.21145(17) 0.24645(18) 0.36102(26) 1. 0 d O3 O2- 4 e 0.48336(19) 0.64039(18) 0.30248(28) 1. 0 d O4 O2- 4 e 0.42365(20) 0.84738(19) 0.41696(27) 1. 0 d O5 O2- 4 e 0.63632(21) 0.53862(22) 0.10813(29) 1. 0 d O6 O2- 4 e 0.67346(18) 0.46914(19) 0.44572(26) 1. 0 d O7 O2- 4 e 0.80756(19) 0.81570(19) 0.30182(28) 1. 0 d O8 O2- 4 e 0.84924(17) 0.48506(18) 0.26184(29) 1. 0 d O9 O2- 4 e 0.14832(18) 0.56088(18) 0.24155(29) 1. 2 d O10 O2- 4 e 0.08227(17) 0.87216(18) 0.21549(27) 1. 2 d H1 H1+ 4 e -1. -1. -1. 8. 0 dum _refine_ls_R_factor_all 0.036 _cod_database_code 1007019