data_2013194 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2003 _journal_volume 59 _journal_page_first i1 _journal_page_last i3 _publ_section_title ; Hexaaquanickel(II) bis(hypophosphite) ; loop_ _publ_author_name 'Kuratieva, Natalia V.' 'Naumova, Marina I.' 'Naumov, Dmitry Yu.' 'Podberezskaya, Nina V.' _chemical_name_common 'hexaaquanickel(II) bys(hypophosphite)' _chemical_formula_moiety 'H12 Ni O6 2+, 2H2 O2 P 1-' _chemical_formula_sum 'H16 Ni O10 P2' _chemical_formula_structural 'Ni (H2 O)6 (H2 P O2)2' _chemical_formula_iupac '[Ni (H2 O)6] (H2 P O2)2' _chemical_formula_weight 296.78 _symmetry_cell_setting 'Monoclinic' _symmetry_space_group_name_H-M 'C 2/c' _symmetry_space_group_name_Hall '-C 2yc' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y, -z+1/2' 'x+1/2, y+1/2, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y, z-1/2' '-x+1/2, -y+1/2, -z' 'x+1/2, -y+1/2, z-1/2' _cell_length_a 10.1453(3) _cell_length_b 10.1467(4) _cell_length_c 10.3571(3) _cell_angle_alpha 90.00 _cell_angle_beta 92.632(3) _cell_angle_gamma 90.00 _cell_volume 1065.05(6) _cell_formula_units_Z 4 _cell_measurement_temperature 293(2) _exptl_crystal_density_diffrn 1.851 _diffrn_ambient_temperature 293(2) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol Ni1 0.0000 0.26480(4) 0.2500 0.02570(16) Uani d S 1 . . Ni P1 0.23511(5) 0.01455(5) 0.00603(5) 0.02685(17) Uani d . 1 . . P H1 0.292(3) -0.051(3) -0.080(3) 0.036(7) Uiso d . 1 . . H H2 0.160(2) 0.089(3) -0.061(2) 0.034(7) Uiso d . 1 . . H O1 0.33259(14) 0.10033(15) 0.08183(13) 0.0308(3) Uani d . 1 . . O O2 0.15387(14) -0.07785(14) 0.08486(14) 0.0310(3) Uani d . 1 . . O O1W 0.0000 0.4657(2) 0.2500 0.0464(7) Uani d S 1 . . O H1W 0.047(3) 0.504(3) 0.293(3) 0.040(8) Uiso d . 1 . . H O2W 0.0000 0.0624(2) 0.2500 0.0453(6) Uani d S 1 . . O H2W 0.044(3) 0.022(3) 0.210(3) 0.058(10) Uiso d . 1 . . H O3W 0.02103(19) 0.27242(19) 0.44672(16) 0.0395(4) Uani d . 1 . . O H3W -0.034(4) 0.304(4) 0.489(4) 0.058(10) Uiso d . 1 . . H H4W 0.048(3) 0.213(3) 0.481(3) 0.039(8) Uiso d . 1 . . H O4W 0.20136(18) 0.2663(2) 0.2438(2) 0.0453(5) Uani d . 1 . . O H5W 0.243(4) 0.217(4) 0.208(4) 0.057(10) Uiso d . 1 . . H H6W 0.245(3) 0.306(3) 0.294(3) 0.042(8) Uiso d . 1 . . H loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ni1 0.0267(2) 0.0271(2) 0.0236(2) 0.000 0.00420(13) 0.000 P1 0.0280(3) 0.0289(3) 0.0237(3) -0.00492(18) 0.00267(19) 0.00028(17) O1 0.0301(7) 0.0309(7) 0.0315(7) -0.0065(6) 0.0022(6) -0.0014(6) O2 0.0303(7) 0.0317(7) 0.0314(7) -0.0070(6) 0.0052(6) 0.0018(6) O1W 0.0612(17) 0.0273(11) 0.0482(14) 0.000 -0.0255(13) 0.000 O2W 0.0598(16) 0.0275(11) 0.0515(15) 0.000 0.0341(13) 0.000 O3W 0.0466(10) 0.0470(10) 0.0252(7) 0.0250(8) 0.0070(7) 0.0037(7) O4W 0.0268(8) 0.0609(12) 0.0488(11) -0.0034(8) 0.0061(7) -0.0283(9) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Ni1 O1W . 2.038(3) Yes Ni1 O2W . 2.054(2) Yes Ni1 O3W . 2.0403(17) Yes Ni1 O4W . 2.0469(18) Yes P1 O1 . 1.5102(14) Yes P1 O2 . 1.5122(14) Yes P1 H1 . 1.27(3) Yes P1 H2 . 1.26(2) Yes O1W H1W . 0.74(3) No O2W H2W . 0.74(3) No O3W H3W . 0.79(4) No O3W H4W . 0.75(3) No O4W H5W . 0.76(4) No O4W H6W . 0.77(3) No