
Acta Cryst. (2008). E64, m222-m223 [ doi:10.1107/S1600536807059053 ]
2N,O)nickel(II) dinitrateThe asymmetric unit of the title compound, [Ni(C3H8N2O2)3](NO3)2, contains two independent cations, each built up around a fac-NiN3O3 octahedron, and four nitrate anions. Numerous cation-to-anion N-H
O hydrogen bonds, some of which are bifurcated, help to establish the packing.
Ethyl carbazate (0.208 g, 0.002 mol) was added to an aqueous solution (25 ml) containing formic acid (85%, 0.08 ml). To this solution was added nickel nitrate hexahydrate (0.291 g, 0.001 mol) dissolved in 50 ml of double distilled water. The resulting green solution was concentrated over a water bath to about 15 ml and kept for crystallization at room temperature. Blue blocks of (I) obtained after a week were separated and washed with ethanol and air dried.
The diffraction data were carefully examined, but no trace of a supercell was discernable. The hydrogen atoms were geometrically placed (N—H = 0.86–0.90 Å, C—H = 0.96–0.97 Å) and refined as riding with Uiso(H) = 1.2Ueq(N,C) or 1.5Ueq(methyl C).
Data collection: COLLECT (Nonius, 1998); cell refinement: HKL SCALEPACK (Otwinowski & Minor, 1997); data reduction: HKL DENZO (Otwinowski & Minor 1997), HKL SCALEPACK (Otwinowski & Minor 1997) and SORTAV (Blessing 1995); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: SHELXL97 Sheldrick, 1997).
| Fig. 1. View of the Ni2-containing complex cation in (I) shoiwng 50% displacement ellipsoids (arbitrary spheres for the H atoms). The C-bound H atoms are omitted for clarity. |
| [Ni(C3H8N2O2)3](NO3)2 | F000 = 2064 |
| Mr = 495.07 | Dx = 1.607 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation λ = 0.71073 Å |
| Hall symbol: -P 2yn | Cell parameters from 6204 reflections |
| a = 14.0580 (8) Å | θ = 4.3–28.0º |
| b = 8.6571 (3) Å | µ = 1.02 mm−1 |
| c = 33.6639 (18) Å | T = 293 (2) K |
| β = 92.652 (1)º | Block, blue |
| V = 4092.6 (3) Å3 | 0.36 × 0.29 × 0.17 mm |
| Z = 8 |
| Bruker SMART1000 CCD diffractometer | 11856 independent reflections |
| Radiation source: fine-focus sealed tube | 6057 reflections with I > 2σ(I) |
| Monochromator: graphite | Rint = 0.042 |
| T = 293(2) K | θmax = 30.2º |
| ω scans | θmin = 4.3º |
| Absorption correction: multi-scan (SADABS; Bruker, 2003) | h = −19→18 |
| Tmin = 0.710, Tmax = 0.845 | k = −6→12 |
| 26981 measured reflections | l = −47→47 |
| Refinement on F2 | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| R[F2 > 2σ(F2)] = 0.051 | H-atom parameters constrained |
| wR(F2) = 0.125 | w = 1/[σ2(Fo2) + (0.0554P)2] where P = (Fo2 + 2Fc2)/3 |
| S = 0.94 | (Δ/σ)max = 0.001 |
| 11856 reflections | Δρmax = 0.42 e Å−3 |
| 547 parameters | Δρmin = −0.36 e Å−3 |
| Primary atom site location: structure-invariant direct methods | Extinction correction: none |
| [Ni(C3H8N2O2)3](NO3)2 | V = 4092.6 (3) Å3 |
| Mr = 495.07 | Z = 8 |
| Monoclinic, P21/n | Mo Kα |
| a = 14.0580 (8) Å | µ = 1.02 mm−1 |
| b = 8.6571 (3) Å | T = 293 (2) K |
| c = 33.6639 (18) Å | 0.36 × 0.29 × 0.17 mm |
| β = 92.652 (1)º |
| Bruker SMART1000 CCD diffractometer | 11856 independent reflections |
| Absorption correction: multi-scan (SADABS; Bruker, 2003) | 6057 reflections with I > 2σ(I) |
| Tmin = 0.710, Tmax = 0.845 | Rint = 0.042 |
| 26981 measured reflections |
| R[F2 > 2σ(F2)] = 0.051 | 547 parameters |
| wR(F2) = 0.125 | H-atom parameters constrained |
| S = 0.94 | Δρmax = 0.42 e Å−3 |
| 11856 reflections | Δρmin = −0.36 e Å−3 |
Experimental. ? ? |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes. |
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
| x | y | z | Uiso*/Ueq | ||
| Ni1 | 0.81839 (3) | 0.75534 (4) | 0.154396 (10) | 0.04181 (10) | |
| C1 | 0.9239 (2) | 1.0247 (4) | 0.15603 (9) | 0.0508 (7) | |
| C2 | 1.0145 (4) | 1.1639 (6) | 0.10942 (15) | 0.1108 (17) | |
| H2A | 1.0830 | 1.1774 | 0.1105 | 0.133* | |
| H2B | 0.9993 | 1.0733 | 0.0934 | 0.133* | |
| C3 | 0.9722 (6) | 1.2897 (8) | 0.09249 (18) | 0.159 (3) | |
| H3A | 0.9989 | 1.3094 | 0.0673 | 0.239* | |
| H3B | 0.9826 | 1.3775 | 0.1095 | 0.239* | |
| H3C | 0.9050 | 1.2713 | 0.0886 | 0.239* | |
| N1 | 0.82926 (19) | 0.9099 (3) | 0.20261 (7) | 0.0487 (6) | |
| H1A | 0.7723 | 0.9529 | 0.2067 | 0.058* | |
| H1B | 0.8492 | 0.8599 | 0.2249 | 0.058* | |
| N2 | 0.8955 (2) | 1.0241 (3) | 0.19293 (7) | 0.0552 (7) | |
| H2 | 0.9165 | 1.0904 | 0.2102 | 0.066* | |
| O1 | 0.90039 (15) | 0.9274 (2) | 0.13099 (6) | 0.0508 (5) | |
| O2 | 0.9818 (2) | 1.1409 (3) | 0.14981 (8) | 0.0813 (8) | |
| C4 | 0.7404 (2) | 0.6828 (3) | 0.07980 (9) | 0.0511 (7) | |
| C5 | 0.7692 (3) | 0.5000 (5) | 0.02964 (12) | 0.0849 (13) | |
| H5A | 0.7287 | 0.4380 | 0.0118 | 0.102* | |
| H5B | 0.7908 | 0.4353 | 0.0518 | 0.102* | |
| C6 | 0.8520 (5) | 0.5551 (7) | 0.00840 (16) | 0.135 (2) | |
| H6A | 0.8891 | 0.4683 | 0.0004 | 0.202* | |
| H6B | 0.8905 | 0.6206 | 0.0256 | 0.202* | |
| H6C | 0.8304 | 0.6124 | −0.0147 | 0.202* | |
| N3 | 0.69577 (18) | 0.8548 (3) | 0.12911 (7) | 0.0484 (6) | |
| H3D | 0.6459 | 0.8359 | 0.1443 | 0.058* | |
| H3E | 0.7031 | 0.9577 | 0.1271 | 0.058* | |
| N4 | 0.6800 (2) | 0.7887 (3) | 0.09118 (7) | 0.0574 (7) | |
| H4 | 0.6324 | 0.8167 | 0.0759 | 0.069* | |
| O3 | 0.81106 (15) | 0.6415 (2) | 0.09979 (6) | 0.0500 (5) | |
| O4 | 0.7153 (2) | 0.6283 (3) | 0.04421 (6) | 0.0738 (7) | |
| C7 | 0.9102 (3) | 0.5165 (4) | 0.19524 (10) | 0.0562 (8) | |
| C8 | 1.0668 (4) | 0.4764 (7) | 0.2236 (2) | 0.129 (2) | |
| H8A | 1.0672 | 0.5882 | 0.2254 | 0.155* | |
| H8B | 1.0901 | 0.4341 | 0.2489 | 0.155* | |
| C9 | 1.1191 (6) | 0.4303 (10) | 0.1952 (3) | 0.188 (4) | |
| H9A | 1.1842 | 0.4580 | 0.2014 | 0.282* | |
| H9B | 1.0977 | 0.4787 | 0.1707 | 0.282* | |
| H9C | 1.1140 | 0.3202 | 0.1925 | 0.282* | |
| N5 | 0.75100 (18) | 0.5674 (3) | 0.17952 (7) | 0.0500 (6) | |
| H5C | 0.7105 | 0.6003 | 0.1976 | 0.060* | |
| H5D | 0.7176 | 0.5144 | 0.1606 | 0.060* | |
| N6 | 0.8211 (2) | 0.4720 (3) | 0.19776 (8) | 0.0572 (7) | |
| H6 | 0.8065 | 0.3887 | 0.2100 | 0.069* | |
| O5 | 0.93445 (15) | 0.6349 (2) | 0.17806 (6) | 0.0535 (5) | |
| O6 | 0.9692 (2) | 0.4191 (3) | 0.21322 (10) | 0.0970 (10) | |
| Ni2 | 0.36902 (3) | 0.22636 (4) | 0.106643 (10) | 0.04364 (11) | |
| C11 | 0.3169 (2) | 0.0113 (4) | 0.16235 (9) | 0.0523 (8) | |
| C12 | 0.1854 (3) | −0.0161 (6) | 0.20373 (15) | 0.1049 (17) | |
| H12A | 0.1970 | 0.0778 | 0.2189 | 0.126* | |
| H12B | 0.1419 | 0.0081 | 0.1814 | 0.126* | |
| C13 | 0.1443 (4) | −0.1278 (6) | 0.22789 (18) | 0.130 (2) | |
| H13A | 0.0887 | −0.0854 | 0.2393 | 0.196* | |
| H13B | 0.1894 | −0.1578 | 0.2487 | 0.196* | |
| H13C | 0.1266 | −0.2165 | 0.2121 | 0.196* | |
| N11 | 0.45074 (17) | 0.0358 (3) | 0.12481 (7) | 0.0460 (6) | |
| H11A | 0.4627 | −0.0241 | 0.1038 | 0.055* | |
| H11B | 0.5066 | 0.0670 | 0.1362 | 0.055* | |
| N12 | 0.39883 (19) | −0.0466 (3) | 0.15207 (8) | 0.0565 (7) | |
| H12 | 0.4197 | −0.1326 | 0.1619 | 0.068* | |
| O11 | 0.28303 (15) | 0.1324 (2) | 0.14873 (6) | 0.0532 (5) | |
| O12 | 0.27538 (17) | −0.0737 (3) | 0.18905 (8) | 0.0753 (7) | |
| C14 | 0.2889 (2) | 0.5054 (4) | 0.12510 (10) | 0.0546 (8) | |
| C15 | 0.1668 (5) | 0.6550 (7) | 0.09490 (19) | 0.150 (3) | |
| H15A | 0.2000 | 0.6535 | 0.0703 | 0.180* | |
| H15B | 0.1214 | 0.5705 | 0.0940 | 0.180* | |
| C16 | 0.1206 (6) | 0.7853 (9) | 0.0973 (2) | 0.181 (3) | |
| H16A | 0.0767 | 0.7955 | 0.0747 | 0.272* | |
| H16B | 0.1649 | 0.8697 | 0.0977 | 0.272* | |
| H16C | 0.0861 | 0.7865 | 0.1213 | 0.272* | |
| N13 | 0.42753 (18) | 0.3833 (3) | 0.14845 (7) | 0.0486 (6) | |
| H13D | 0.4434 | 0.3348 | 0.1715 | 0.058* | |
| H13E | 0.4800 | 0.4278 | 0.1393 | 0.058* | |
| N14 | 0.35665 (19) | 0.4951 (3) | 0.15428 (8) | 0.0544 (6) | |
| H14 | 0.3569 | 0.5527 | 0.1751 | 0.065* | |
| O13 | 0.27628 (15) | 0.4088 (2) | 0.09905 (6) | 0.0567 (5) | |
| O14 | 0.2364 (2) | 0.6297 (3) | 0.12846 (8) | 0.0846 (8) | |
| C17 | 0.3493 (3) | 0.1147 (3) | 0.03006 (9) | 0.0521 (8) | |
| C18 | 0.2543 (4) | −0.0744 (5) | −0.00350 (12) | 0.0909 (14) | |
| H18A | 0.2562 | −0.1251 | 0.0222 | 0.109* | |
| H18B | 0.2662 | −0.1519 | −0.0235 | 0.109* | |
| C19 | 0.1596 (4) | −0.0083 (7) | −0.01148 (19) | 0.143 (2) | |
| H19A | 0.1121 | −0.0859 | −0.0077 | 0.215* | |
| H19B | 0.1543 | 0.0283 | −0.0384 | 0.215* | |
| H19C | 0.1502 | 0.0762 | 0.0064 | 0.215* | |
| N15 | 0.45223 (19) | 0.2944 (3) | 0.06042 (7) | 0.0507 (6) | |
| H15C | 0.4441 | 0.3958 | 0.0554 | 0.061* | |
| H15D | 0.5142 | 0.2774 | 0.0668 | 0.061* | |
| N16 | 0.4231 (2) | 0.2065 (3) | 0.02672 (7) | 0.0591 (7) | |
| H16 | 0.4524 | 0.2126 | 0.0049 | 0.071* | |
| O15 | 0.30548 (16) | 0.0995 (2) | 0.06056 (6) | 0.0540 (5) | |
| O16 | 0.32763 (19) | 0.0407 (3) | −0.00376 (6) | 0.0726 (7) | |
| N21 | 0.6243 (2) | 0.1811 (3) | 0.20952 (7) | 0.0493 (6) | |
| O21 | 0.70396 (17) | 0.1946 (3) | 0.22680 (7) | 0.0665 (6) | |
| O22 | 0.60891 (19) | 0.0714 (3) | 0.18656 (7) | 0.0773 (7) | |
| O23 | 0.5623 (2) | 0.2750 (4) | 0.21627 (8) | 0.0940 (9) | |
| N31 | 0.4518 (2) | 0.7144 (3) | 0.05618 (8) | 0.0550 (6) | |
| O31 | 0.49163 (16) | 0.8417 (2) | 0.05117 (6) | 0.0578 (5) | |
| O32 | 0.4373 (2) | 0.6266 (3) | 0.02821 (8) | 0.0954 (9) | |
| O33 | 0.4328 (3) | 0.6772 (4) | 0.08930 (9) | 0.1372 (15) | |
| N41 | 0.6723 (2) | 0.2646 (3) | 0.11276 (8) | 0.0543 (6) | |
| O41 | 0.63393 (18) | 0.1611 (3) | 0.09159 (7) | 0.0688 (6) | |
| O42 | 0.63042 (17) | 0.3890 (3) | 0.11677 (8) | 0.0743 (7) | |
| O43 | 0.7498 (2) | 0.2417 (3) | 0.12965 (9) | 0.0895 (8) | |
| N51 | 0.5319 (2) | 0.6816 (3) | 0.20948 (8) | 0.0537 (6) | |
| O51 | 0.53746 (17) | 0.7060 (3) | 0.17313 (7) | 0.0660 (6) | |
| O52 | 0.60552 (17) | 0.6768 (3) | 0.23136 (6) | 0.0670 (6) | |
| O53 | 0.45284 (19) | 0.6607 (4) | 0.22271 (9) | 0.0893 (8) |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| Ni1 | 0.0468 (2) | 0.0397 (2) | 0.03881 (18) | 0.00573 (16) | 0.00038 (14) | 0.00073 (15) |
| C1 | 0.056 (2) | 0.0479 (18) | 0.0477 (17) | 0.0015 (14) | −0.0029 (14) | 0.0069 (14) |
| C2 | 0.157 (5) | 0.078 (3) | 0.100 (3) | −0.026 (3) | 0.036 (3) | 0.015 (3) |
| C3 | 0.215 (8) | 0.155 (6) | 0.108 (4) | 0.041 (5) | 0.005 (5) | 0.041 (4) |
| N1 | 0.0639 (17) | 0.0460 (14) | 0.0365 (12) | 0.0081 (12) | 0.0040 (11) | 0.0040 (10) |
| N2 | 0.0730 (19) | 0.0509 (16) | 0.0413 (14) | −0.0059 (13) | −0.0011 (13) | −0.0037 (11) |
| O1 | 0.0630 (14) | 0.0492 (12) | 0.0404 (11) | −0.0011 (10) | 0.0058 (10) | 0.0006 (9) |
| O2 | 0.104 (2) | 0.0658 (17) | 0.0755 (17) | −0.0298 (15) | 0.0178 (15) | −0.0017 (13) |
| C4 | 0.068 (2) | 0.0428 (17) | 0.0418 (16) | 0.0023 (15) | −0.0059 (15) | 0.0009 (13) |
| C5 | 0.121 (4) | 0.062 (3) | 0.070 (2) | 0.016 (2) | −0.014 (2) | −0.0215 (19) |
| C6 | 0.164 (6) | 0.136 (5) | 0.108 (4) | 0.035 (4) | 0.046 (4) | −0.005 (4) |
| N3 | 0.0560 (16) | 0.0452 (14) | 0.0440 (13) | 0.0098 (11) | 0.0010 (11) | 0.0010 (11) |
| N4 | 0.0665 (18) | 0.0561 (17) | 0.0478 (14) | 0.0159 (13) | −0.0152 (12) | −0.0044 (12) |
| O3 | 0.0578 (13) | 0.0470 (12) | 0.0448 (11) | 0.0087 (10) | −0.0013 (10) | −0.0052 (9) |
| O4 | 0.103 (2) | 0.0658 (16) | 0.0503 (13) | 0.0144 (14) | −0.0208 (13) | −0.0160 (11) |
| C7 | 0.063 (2) | 0.0385 (17) | 0.066 (2) | 0.0086 (15) | −0.0067 (17) | 0.0040 (15) |
| C8 | 0.088 (4) | 0.116 (4) | 0.184 (6) | 0.015 (3) | −0.006 (4) | 0.074 (4) |
| C9 | 0.149 (7) | 0.209 (8) | 0.211 (8) | −0.043 (6) | 0.074 (6) | −0.073 (7) |
| N5 | 0.0499 (15) | 0.0462 (14) | 0.0543 (14) | 0.0042 (11) | 0.0049 (12) | 0.0054 (11) |
| N6 | 0.0617 (18) | 0.0450 (15) | 0.0650 (17) | 0.0019 (13) | 0.0032 (14) | 0.0135 (12) |
| O5 | 0.0494 (13) | 0.0451 (12) | 0.0654 (13) | 0.0044 (9) | −0.0045 (10) | 0.0090 (10) |
| O6 | 0.0696 (18) | 0.0669 (17) | 0.152 (3) | 0.0096 (14) | −0.0220 (18) | 0.0428 (17) |
| Ni2 | 0.0471 (2) | 0.0433 (2) | 0.04003 (19) | 0.00219 (16) | −0.00265 (15) | 0.00044 (15) |
| C11 | 0.052 (2) | 0.056 (2) | 0.0480 (17) | −0.0015 (15) | −0.0010 (15) | 0.0084 (14) |
| C12 | 0.065 (3) | 0.130 (4) | 0.122 (4) | 0.016 (3) | 0.035 (3) | 0.055 (3) |
| C13 | 0.122 (4) | 0.106 (4) | 0.170 (5) | −0.002 (3) | 0.074 (4) | 0.029 (4) |
| N11 | 0.0466 (14) | 0.0475 (14) | 0.0440 (13) | 0.0017 (11) | 0.0023 (11) | −0.0042 (11) |
| N12 | 0.0534 (17) | 0.0475 (15) | 0.0687 (17) | 0.0072 (12) | 0.0046 (13) | 0.0159 (13) |
| O11 | 0.0489 (12) | 0.0590 (14) | 0.0520 (12) | 0.0097 (10) | 0.0053 (10) | 0.0113 (10) |
| O12 | 0.0631 (16) | 0.0813 (17) | 0.0829 (17) | 0.0032 (13) | 0.0171 (13) | 0.0314 (14) |
| C14 | 0.058 (2) | 0.0467 (19) | 0.0591 (19) | 0.0036 (15) | −0.0003 (16) | −0.0006 (15) |
| C15 | 0.152 (5) | 0.112 (4) | 0.176 (6) | 0.082 (4) | −0.080 (5) | −0.036 (4) |
| C16 | 0.210 (8) | 0.164 (7) | 0.164 (7) | 0.070 (6) | −0.052 (6) | 0.009 (5) |
| N13 | 0.0511 (15) | 0.0504 (15) | 0.0438 (13) | 0.0014 (11) | −0.0036 (11) | −0.0037 (11) |
| N14 | 0.0571 (17) | 0.0492 (16) | 0.0566 (15) | 0.0047 (12) | 0.0006 (13) | −0.0095 (12) |
| O13 | 0.0570 (14) | 0.0523 (13) | 0.0592 (13) | 0.0072 (10) | −0.0150 (11) | 0.0006 (10) |
| O14 | 0.0826 (19) | 0.0653 (17) | 0.104 (2) | 0.0302 (14) | −0.0172 (16) | −0.0148 (14) |
| C17 | 0.071 (2) | 0.0429 (17) | 0.0410 (16) | 0.0004 (15) | −0.0097 (15) | 0.0034 (13) |
| C18 | 0.137 (4) | 0.063 (3) | 0.070 (3) | −0.035 (3) | −0.013 (3) | −0.010 (2) |
| C19 | 0.124 (5) | 0.134 (5) | 0.167 (6) | −0.056 (4) | −0.046 (4) | 0.026 (4) |
| N15 | 0.0592 (16) | 0.0478 (15) | 0.0447 (13) | −0.0055 (12) | −0.0034 (11) | 0.0015 (11) |
| N16 | 0.081 (2) | 0.0618 (18) | 0.0346 (12) | −0.0138 (15) | 0.0013 (12) | −0.0011 (11) |
| O15 | 0.0633 (14) | 0.0526 (13) | 0.0456 (12) | −0.0088 (10) | −0.0029 (10) | −0.0015 (9) |
| O16 | 0.107 (2) | 0.0668 (16) | 0.0431 (12) | −0.0217 (14) | −0.0077 (12) | −0.0066 (11) |
| N21 | 0.0588 (17) | 0.0517 (16) | 0.0372 (13) | 0.0036 (13) | 0.0005 (12) | −0.0029 (11) |
| O21 | 0.0641 (15) | 0.0782 (17) | 0.0555 (13) | −0.0017 (12) | −0.0166 (11) | −0.0032 (11) |
| O22 | 0.0901 (19) | 0.0786 (18) | 0.0626 (15) | −0.0167 (14) | −0.0026 (13) | −0.0278 (13) |
| O23 | 0.091 (2) | 0.104 (2) | 0.0855 (19) | 0.0506 (18) | −0.0087 (15) | −0.0140 (16) |
| N31 | 0.0649 (18) | 0.0522 (17) | 0.0476 (15) | −0.0040 (13) | 0.0011 (13) | −0.0021 (13) |
| O31 | 0.0696 (15) | 0.0432 (12) | 0.0606 (13) | −0.0031 (11) | 0.0027 (11) | 0.0028 (10) |
| O32 | 0.160 (3) | 0.0598 (17) | 0.0659 (16) | −0.0157 (17) | −0.0025 (17) | −0.0126 (13) |
| O33 | 0.228 (4) | 0.115 (3) | 0.072 (2) | −0.074 (3) | 0.053 (2) | −0.0056 (18) |
| N41 | 0.0540 (17) | 0.0521 (17) | 0.0572 (15) | −0.0012 (14) | 0.0091 (13) | 0.0035 (13) |
| O41 | 0.0794 (17) | 0.0554 (15) | 0.0709 (15) | 0.0011 (12) | −0.0043 (13) | −0.0107 (12) |
| O42 | 0.0631 (16) | 0.0480 (14) | 0.111 (2) | 0.0075 (12) | −0.0006 (14) | −0.0144 (13) |
| O43 | 0.0623 (17) | 0.091 (2) | 0.113 (2) | 0.0121 (14) | −0.0181 (16) | −0.0019 (16) |
| N51 | 0.0582 (18) | 0.0486 (16) | 0.0544 (16) | 0.0097 (12) | 0.0037 (14) | −0.0034 (12) |
| O51 | 0.0750 (16) | 0.0711 (16) | 0.0505 (13) | −0.0006 (12) | −0.0125 (11) | 0.0134 (11) |
| O52 | 0.0616 (15) | 0.0911 (18) | 0.0472 (12) | 0.0203 (13) | −0.0099 (11) | 0.0027 (11) |
| O53 | 0.0603 (17) | 0.112 (2) | 0.098 (2) | −0.0084 (15) | 0.0240 (15) | −0.0276 (17) |
| Ni1—O1 | 2.062 (2) | C11—O11 | 1.231 (4) |
| Ni1—O5 | 2.065 (2) | C11—N12 | 1.317 (4) |
| Ni1—N3 | 2.074 (2) | C11—O12 | 1.319 (4) |
| Ni1—N5 | 2.082 (2) | C12—C13 | 1.405 (6) |
| Ni1—O3 | 2.0843 (19) | C12—O12 | 1.466 (5) |
| Ni1—N1 | 2.103 (2) | C12—H12A | 0.9700 |
| C1—O1 | 1.226 (4) | C12—H12B | 0.9700 |
| C1—O2 | 1.317 (4) | C13—H13A | 0.9600 |
| C1—N2 | 1.322 (4) | C13—H13B | 0.9600 |
| C2—C3 | 1.354 (7) | C13—H13C | 0.9600 |
| C2—O2 | 1.469 (5) | N11—N12 | 1.395 (3) |
| C2—H2A | 0.9700 | N11—H11A | 0.9000 |
| C2—H2B | 0.9700 | N11—H11B | 0.9000 |
| C3—H3A | 0.9600 | N12—H12 | 0.8600 |
| C3—H3B | 0.9600 | C14—O13 | 1.218 (4) |
| C3—H3C | 0.9600 | C14—O14 | 1.313 (4) |
| N1—N2 | 1.406 (3) | C14—N14 | 1.339 (4) |
| N1—H1A | 0.9000 | C15—C16 | 1.307 (7) |
| N1—H1B | 0.9000 | C15—O14 | 1.476 (5) |
| N2—H2 | 0.8600 | C15—H15A | 0.9700 |
| C4—O3 | 1.227 (3) | C15—H15B | 0.9700 |
| C4—N4 | 1.318 (4) | C16—H16A | 0.9600 |
| C4—O4 | 1.321 (3) | C16—H16B | 0.9600 |
| C5—O4 | 1.443 (4) | C16—H16C | 0.9600 |
| C5—C6 | 1.474 (7) | N13—N14 | 1.409 (3) |
| C5—H5A | 0.9700 | N13—H13D | 0.9000 |
| C5—H5B | 0.9700 | N13—H13E | 0.9000 |
| C6—H6A | 0.9600 | N14—H14 | 0.8600 |
| C6—H6B | 0.9600 | C17—O15 | 1.228 (4) |
| C6—H6C | 0.9600 | C17—N16 | 1.316 (4) |
| N3—N4 | 1.407 (3) | C17—O16 | 1.329 (4) |
| N3—H3D | 0.9000 | C18—O16 | 1.434 (5) |
| N3—H3E | 0.9000 | C18—C19 | 1.463 (7) |
| N4—H4 | 0.8600 | C18—H18A | 0.9700 |
| C7—O5 | 1.233 (4) | C18—H18B | 0.9700 |
| C7—O6 | 1.311 (4) | C19—H19A | 0.9600 |
| C7—N6 | 1.316 (4) | C19—H19B | 0.9600 |
| C8—C9 | 1.294 (8) | C19—H19C | 0.9600 |
| C8—O6 | 1.485 (6) | N15—N16 | 1.411 (3) |
| C8—H8A | 0.9700 | N15—H15C | 0.9000 |
| C8—H8B | 0.9700 | N15—H15D | 0.9000 |
| C9—H9A | 0.9600 | N16—H16 | 0.8600 |
| C9—H9B | 0.9600 | N21—O23 | 1.222 (3) |
| C9—H9C | 0.9600 | N21—O22 | 1.237 (3) |
| N5—N6 | 1.405 (3) | N21—O21 | 1.243 (3) |
| N5—H5C | 0.9000 | N31—O33 | 1.202 (3) |
| N5—H5D | 0.9000 | N31—O32 | 1.220 (3) |
| N6—H6 | 0.8600 | N31—O31 | 1.251 (3) |
| Ni2—O13 | 2.056 (2) | N41—O43 | 1.222 (3) |
| Ni2—O15 | 2.069 (2) | N41—O42 | 1.237 (3) |
| Ni2—O11 | 2.071 (2) | N41—O41 | 1.251 (3) |
| Ni2—N15 | 2.075 (2) | N51—O53 | 1.230 (3) |
| Ni2—N11 | 2.086 (2) | N51—O52 | 1.243 (3) |
| Ni2—N13 | 2.097 (2) | N51—O51 | 1.248 (3) |
| O1—Ni1—O5 | 93.81 (8) | O13—Ni2—N11 | 168.92 (9) |
| O1—Ni1—N3 | 90.69 (9) | O15—Ni2—N11 | 90.74 (9) |
| O5—Ni1—N3 | 174.19 (9) | O11—Ni2—N11 | 79.61 (9) |
| O1—Ni1—N5 | 173.06 (9) | N15—Ni2—N11 | 97.04 (10) |
| O5—Ni1—N5 | 79.34 (9) | O13—Ni2—N13 | 79.20 (9) |
| N3—Ni1—N5 | 96.08 (10) | O15—Ni2—N13 | 171.66 (9) |
| O1—Ni1—O3 | 90.59 (8) | O11—Ni2—N13 | 91.06 (9) |
| O5—Ni1—O3 | 96.16 (8) | N15—Ni2—N13 | 95.86 (10) |
| N3—Ni1—O3 | 80.10 (9) | N11—Ni2—N13 | 97.00 (9) |
| N5—Ni1—O3 | 89.08 (9) | O11—C11—N12 | 123.6 (3) |
| O1—Ni1—N1 | 79.25 (9) | O11—C11—O12 | 123.6 (3) |
| O5—Ni1—N1 | 89.74 (9) | N12—C11—O12 | 112.8 (3) |
| N3—Ni1—N1 | 94.71 (10) | C13—C12—O12 | 110.2 (4) |
| N5—Ni1—N1 | 101.64 (10) | C13—C12—H12A | 109.6 |
| O3—Ni1—N1 | 168.59 (8) | O12—C12—H12A | 109.6 |
| O1—C1—O2 | 124.3 (3) | C13—C12—H12B | 109.6 |
| O1—C1—N2 | 124.0 (3) | O12—C12—H12B | 109.6 |
| O2—C1—N2 | 111.6 (3) | H12A—C12—H12B | 108.1 |
| C3—C2—O2 | 110.4 (5) | C12—C13—H13A | 109.5 |
| C3—C2—H2A | 109.6 | C12—C13—H13B | 109.5 |
| O2—C2—H2A | 109.6 | H13A—C13—H13B | 109.5 |
| C3—C2—H2B | 109.6 | C12—C13—H13C | 109.5 |
| O2—C2—H2B | 109.6 | H13A—C13—H13C | 109.5 |
| H2A—C2—H2B | 108.1 | H13B—C13—H13C | 109.5 |
| C2—C3—H3A | 109.5 | N12—N11—Ni2 | 107.44 (17) |
| C2—C3—H3B | 109.5 | N12—N11—H11A | 110.2 |
| H3A—C3—H3B | 109.5 | Ni2—N11—H11A | 110.2 |
| C2—C3—H3C | 109.5 | N12—N11—H11B | 110.2 |
| H3A—C3—H3C | 109.5 | Ni2—N11—H11B | 110.2 |
| H3B—C3—H3C | 109.5 | H11A—N11—H11B | 108.5 |
| N2—N1—Ni1 | 107.07 (16) | C11—N12—N11 | 118.0 (2) |
| N2—N1—H1A | 110.3 | C11—N12—H12 | 121.0 |
| Ni1—N1—H1A | 110.3 | N11—N12—H12 | 121.0 |
| N2—N1—H1B | 110.3 | C11—O11—Ni2 | 111.2 (2) |
| Ni1—N1—H1B | 110.3 | C11—O12—C12 | 117.1 (3) |
| H1A—N1—H1B | 108.6 | O13—C14—O14 | 124.1 (3) |
| C1—N2—N1 | 116.9 (2) | O13—C14—N14 | 123.8 (3) |
| C1—N2—H2 | 121.5 | O14—C14—N14 | 112.0 (3) |
| N1—N2—H2 | 121.5 | C16—C15—O14 | 113.3 (5) |
| C1—O1—Ni1 | 111.78 (19) | C16—C15—H15A | 108.9 |
| C1—O2—C2 | 118.2 (3) | O14—C15—H15A | 108.9 |
| O3—C4—N4 | 124.0 (3) | C16—C15—H15B | 108.9 |
| O3—C4—O4 | 124.6 (3) | O14—C15—H15B | 108.9 |
| N4—C4—O4 | 111.4 (3) | H15A—C15—H15B | 107.7 |
| O4—C5—C6 | 110.8 (4) | C15—C16—H16A | 109.5 |
| O4—C5—H5A | 109.5 | C15—C16—H16B | 109.5 |
| C6—C5—H5A | 109.5 | H16A—C16—H16B | 109.5 |
| O4—C5—H5B | 109.5 | C15—C16—H16C | 109.5 |
| C6—C5—H5B | 109.5 | H16A—C16—H16C | 109.5 |
| H5A—C5—H5B | 108.1 | H16B—C16—H16C | 109.5 |
| C5—C6—H6A | 109.5 | N14—N13—Ni2 | 106.29 (17) |
| C5—C6—H6B | 109.5 | N14—N13—H13D | 110.5 |
| H6A—C6—H6B | 109.5 | Ni2—N13—H13D | 110.5 |
| C5—C6—H6C | 109.5 | N14—N13—H13E | 110.5 |
| H6A—C6—H6C | 109.5 | Ni2—N13—H13E | 110.5 |
| H6B—C6—H6C | 109.5 | H13D—N13—H13E | 108.7 |
| N4—N3—Ni1 | 107.26 (17) | C14—N14—N13 | 115.3 (2) |
| N4—N3—H3D | 110.3 | C14—N14—H14 | 122.4 |
| Ni1—N3—H3D | 110.3 | N13—N14—H14 | 122.4 |
| N4—N3—H3E | 110.3 | C14—O13—Ni2 | 111.5 (2) |
| Ni1—N3—H3E | 110.3 | C14—O14—C15 | 114.3 (3) |
| H3D—N3—H3E | 108.5 | O15—C17—N16 | 124.3 (3) |
| C4—N4—N3 | 118.0 (2) | O15—C17—O16 | 124.1 (3) |
| C4—N4—H4 | 121.0 | N16—C17—O16 | 111.6 (3) |
| N3—N4—H4 | 121.0 | O16—C18—C19 | 112.0 (4) |
| C4—O3—Ni1 | 110.56 (19) | O16—C18—H18A | 109.2 |
| C4—O4—C5 | 117.5 (3) | C19—C18—H18A | 109.2 |
| O5—C7—O6 | 124.6 (3) | O16—C18—H18B | 109.2 |
| O5—C7—N6 | 123.9 (3) | C19—C18—H18B | 109.2 |
| O6—C7—N6 | 111.5 (3) | H18A—C18—H18B | 107.9 |
| C9—C8—O6 | 105.9 (7) | C18—C19—H19A | 109.5 |
| C9—C8—H8A | 110.5 | C18—C19—H19B | 109.5 |
| O6—C8—H8A | 110.5 | H19A—C19—H19B | 109.5 |
| C9—C8—H8B | 110.5 | C18—C19—H19C | 109.5 |
| O6—C8—H8B | 110.5 | H19A—C19—H19C | 109.5 |
| H8A—C8—H8B | 108.7 | H19B—C19—H19C | 109.5 |
| C8—C9—H9A | 109.5 | N16—N15—Ni2 | 107.28 (18) |
| C8—C9—H9B | 109.5 | N16—N15—H15C | 110.3 |
| H9A—C9—H9B | 109.5 | Ni2—N15—H15C | 110.3 |
| C8—C9—H9C | 109.5 | N16—N15—H15D | 110.3 |
| H9A—C9—H9C | 109.5 | Ni2—N15—H15D | 110.3 |
| H9B—C9—H9C | 109.5 | H15C—N15—H15D | 108.5 |
| N6—N5—Ni1 | 108.28 (18) | C17—N16—N15 | 117.2 (2) |
| N6—N5—H5C | 110.0 | C17—N16—H16 | 121.4 |
| Ni1—N5—H5C | 110.0 | N15—N16—H16 | 121.4 |
| N6—N5—H5D | 110.0 | C17—O15—Ni2 | 110.7 (2) |
| Ni1—N5—H5D | 110.0 | C17—O16—C18 | 117.8 (3) |
| H5C—N5—H5D | 108.4 | O23—N21—O22 | 121.4 (3) |
| C7—N6—N5 | 116.8 (3) | O23—N21—O21 | 119.1 (3) |
| C7—N6—H6 | 121.6 | O22—N21—O21 | 119.5 (3) |
| N5—N6—H6 | 121.6 | O33—N31—O32 | 120.8 (3) |
| C7—O5—Ni1 | 111.7 (2) | O33—N31—O31 | 118.8 (3) |
| C7—O6—C8 | 116.9 (3) | O32—N31—O31 | 120.3 (3) |
| O13—Ni2—O15 | 93.74 (9) | O43—N41—O42 | 120.6 (3) |
| O13—Ni2—O11 | 90.00 (9) | O43—N41—O41 | 120.0 (3) |
| O15—Ni2—O11 | 93.39 (9) | O42—N41—O41 | 119.4 (3) |
| O13—Ni2—N15 | 93.71 (10) | O53—N51—O52 | 121.5 (3) |
| O15—Ni2—N15 | 80.05 (9) | O53—N51—O51 | 118.6 (3) |
| O11—Ni2—N15 | 172.65 (9) | O52—N51—O51 | 119.9 (3) |
| O1—Ni1—N1—N2 | −8.35 (17) | O13—Ni2—N11—N12 | 24.1 (6) |
| O5—Ni1—N1—N2 | 85.58 (18) | O15—Ni2—N11—N12 | −89.82 (18) |
| N3—Ni1—N1—N2 | −98.16 (18) | O11—Ni2—N11—N12 | 3.49 (18) |
| N5—Ni1—N1—N2 | 164.63 (17) | N15—Ni2—N11—N12 | −169.89 (18) |
| O3—Ni1—N1—N2 | −35.8 (6) | N13—Ni2—N11—N12 | 93.28 (19) |
| O1—C1—N2—N1 | −4.5 (5) | O11—C11—N12—N11 | 1.3 (5) |
| O2—C1—N2—N1 | 176.8 (3) | O12—C11—N12—N11 | −178.2 (3) |
| Ni1—N1—N2—C1 | 9.5 (3) | Ni2—N11—N12—C11 | −3.7 (3) |
| O2—C1—O1—Ni1 | 175.0 (3) | N12—C11—O11—Ni2 | 2.1 (4) |
| N2—C1—O1—Ni1 | −3.6 (4) | O12—C11—O11—Ni2 | −178.6 (3) |
| O5—Ni1—O1—C1 | −82.2 (2) | O13—Ni2—O11—C11 | −179.2 (2) |
| N3—Ni1—O1—C1 | 101.5 (2) | O15—Ni2—O11—C11 | 87.0 (2) |
| O3—Ni1—O1—C1 | −178.4 (2) | N11—Ni2—O11—C11 | −3.1 (2) |
| N1—Ni1—O1—C1 | 6.8 (2) | N13—Ni2—O11—C11 | −100.0 (2) |
| O1—C1—O2—C2 | 5.4 (5) | O11—C11—O12—C12 | −1.8 (5) |
| N2—C1—O2—C2 | −175.9 (4) | N12—C11—O12—C12 | 177.6 (3) |
| C3—C2—O2—C1 | 107.9 (5) | C13—C12—O12—C11 | 172.5 (4) |
| O1—Ni1—N3—N4 | 90.63 (19) | O13—Ni2—N13—N14 | 16.10 (17) |
| N5—Ni1—N3—N4 | −87.85 (19) | O11—Ni2—N13—N14 | −73.70 (18) |
| O3—Ni1—N3—N4 | 0.15 (18) | N15—Ni2—N13—N14 | 108.78 (18) |
| N1—Ni1—N3—N4 | 169.90 (19) | N11—Ni2—N13—N14 | −153.36 (17) |
| O3—C4—N4—N3 | −2.2 (5) | O13—C14—N14—N13 | 13.9 (5) |
| O4—C4—N4—N3 | 178.2 (3) | O14—C14—N14—N13 | −167.6 (3) |
| Ni1—N3—N4—C4 | 0.9 (3) | Ni2—N13—N14—C14 | −20.5 (3) |
| N4—C4—O3—Ni1 | 2.2 (4) | O14—C14—O13—Ni2 | −176.5 (3) |
| O4—C4—O3—Ni1 | −178.3 (3) | N14—C14—O13—Ni2 | 1.8 (4) |
| O1—Ni1—O3—C4 | −91.8 (2) | O15—Ni2—O13—C14 | 173.9 (2) |
| O5—Ni1—O3—C4 | 174.3 (2) | O11—Ni2—O13—C14 | 80.5 (2) |
| N3—Ni1—O3—C4 | −1.2 (2) | N15—Ni2—O13—C14 | −105.8 (2) |
| N5—Ni1—O3—C4 | 95.2 (2) | N11—Ni2—O13—C14 | 60.3 (6) |
| N1—Ni1—O3—C4 | −64.9 (5) | N13—Ni2—O13—C14 | −10.5 (2) |
| O3—C4—O4—C5 | 6.8 (5) | O13—C14—O14—C15 | −7.3 (6) |
| N4—C4—O4—C5 | −173.7 (3) | N14—C14—O14—C15 | 174.2 (4) |
| C6—C5—O4—C4 | −88.4 (5) | C16—C15—O14—C14 | −174.9 (6) |
| O5—Ni1—N5—N6 | 0.67 (18) | O13—Ni2—N15—N16 | −98.25 (19) |
| N3—Ni1—N5—N6 | 177.06 (18) | O15—Ni2—N15—N16 | −5.10 (18) |
| O3—Ni1—N5—N6 | 97.12 (18) | N11—Ni2—N15—N16 | 84.42 (19) |
| N1—Ni1—N5—N6 | −86.84 (19) | N13—Ni2—N15—N16 | −177.75 (19) |
| O5—C7—N6—N5 | 0.0 (5) | O15—C17—N16—N15 | −1.0 (5) |
| O6—C7—N6—N5 | −180.0 (3) | O16—C17—N16—N15 | 178.7 (2) |
| Ni1—N5—N6—C7 | −0.6 (3) | Ni2—N15—N16—C17 | 5.1 (3) |
| O6—C7—O5—Ni1 | −179.4 (3) | N16—C17—O15—Ni2 | −3.8 (4) |
| N6—C7—O5—Ni1 | 0.6 (4) | O16—C17—O15—Ni2 | 176.6 (2) |
| O1—Ni1—O5—C7 | −179.6 (2) | O13—Ni2—O15—C17 | 98.0 (2) |
| N5—Ni1—O5—C7 | −0.7 (2) | O11—Ni2—O15—C17 | −171.7 (2) |
| O3—Ni1—O5—C7 | −88.6 (2) | N15—Ni2—O15—C17 | 4.9 (2) |
| N1—Ni1—O5—C7 | 101.2 (2) | N11—Ni2—O15—C17 | −92.1 (2) |
| O5—C7—O6—C8 | 18.3 (6) | O15—C17—O16—C18 | −6.1 (5) |
| N6—C7—O6—C8 | −161.7 (4) | N16—C17—O16—C18 | 174.2 (3) |
| C9—C8—O6—C7 | −96.9 (6) | C19—C18—O16—C17 | 87.5 (5) |
| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1A···O21i | 0.90 | 2.41 | 3.158 (3) | 140 |
| N1—H1A···O22i | 0.90 | 2.58 | 3.419 (4) | 156 |
| N1—H1B···O21ii | 0.90 | 2.32 | 3.073 (3) | 142 |
| N1—H1B···O23ii | 0.90 | 2.40 | 3.280 (4) | 165 |
| N2—H2···O52ii | 0.86 | 2.14 | 2.872 (3) | 143 |
| N3—H3D···O51 | 0.90 | 2.16 | 3.019 (4) | 159 |
| N3—H3E···O41i | 0.90 | 2.32 | 3.047 (3) | 138 |
| N3—H3E···O43i | 0.90 | 2.55 | 3.435 (4) | 170 |
| N4—H4···O31 | 0.86 | 2.12 | 2.951 (3) | 162 |
| N5—H5C···O52 | 0.90 | 2.01 | 2.908 (3) | 172 |
| N5—H5D···O42 | 0.90 | 2.17 | 3.064 (4) | 177 |
| N6—H6···O21 | 0.86 | 2.30 | 3.096 (4) | 154 |
| N11—H11A···O31iii | 0.90 | 2.17 | 3.071 (3) | 177 |
| N11—H11B···O22 | 0.90 | 2.17 | 2.989 (3) | 151 |
| N12—H12···O51iii | 0.86 | 2.19 | 2.960 (3) | 150 |
| N13—H13D···O23 | 0.90 | 2.26 | 3.046 (4) | 146 |
| N13—H13E···O42 | 0.90 | 2.30 | 3.091 (4) | 146 |
| N14—H14···O53 | 0.86 | 2.25 | 2.984 (4) | 143 |
| N15—H15C···O32 | 0.90 | 2.20 | 3.077 (4) | 165 |
| N15—H15D···O41 | 0.90 | 2.10 | 2.951 (4) | 157 |
| N16—H16···O31iv | 0.86 | 2.13 | 2.962 (3) | 163 |
| N16—H16···O32iv | 0.86 | 2.40 | 3.113 (4) | 141 |
| Symmetry codes: (i) x, y+1, z; (ii) −x+3/2, y+1/2, −z+1/2; (iii) x, y−1, z; (iv) −x+1, −y+1, −z. |
| Ni1—O1 | 2.062 (2) | Ni2—O13 | 2.056 (2) |
| Ni1—O5 | 2.065 (2) | Ni2—O15 | 2.069 (2) |
| Ni1—N3 | 2.074 (2) | Ni2—O11 | 2.071 (2) |
| Ni1—N5 | 2.082 (2) | Ni2—N15 | 2.075 (2) |
| Ni1—O3 | 2.0843 (19) | Ni2—N11 | 2.086 (2) |
| Ni1—N1 | 2.103 (2) | Ni2—N13 | 2.097 (2) |
| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1A···O21i | 0.90 | 2.41 | 3.158 (3) | 140 |
| N1—H1A···O22i | 0.90 | 2.58 | 3.419 (4) | 156 |
| N1—H1B···O21ii | 0.90 | 2.32 | 3.073 (3) | 142 |
| N1—H1B···O23ii | 0.90 | 2.40 | 3.280 (4) | 165 |
| N2—H2···O52ii | 0.86 | 2.14 | 2.872 (3) | 143 |
| N3—H3D···O51 | 0.90 | 2.16 | 3.019 (4) | 159 |
| N3—H3E···O41i | 0.90 | 2.32 | 3.047 (3) | 138 |
| N3—H3E···O43i | 0.90 | 2.55 | 3.435 (4) | 170 |
| N4—H4···O31 | 0.86 | 2.12 | 2.951 (3) | 162 |
| N5—H5C···O52 | 0.90 | 2.01 | 2.908 (3) | 172 |
| N5—H5D···O42 | 0.90 | 2.17 | 3.064 (4) | 177 |
| N6—H6···O21 | 0.86 | 2.30 | 3.096 (4) | 154 |
| N11—H11A···O31iii | 0.90 | 2.17 | 3.071 (3) | 177 |
| N11—H11B···O22 | 0.90 | 2.17 | 2.989 (3) | 151 |
| N12—H12···O51iii | 0.86 | 2.19 | 2.960 (3) | 150 |
| N13—H13D···O23 | 0.90 | 2.26 | 3.046 (4) | 146 |
| N13—H13E···O42 | 0.90 | 2.30 | 3.091 (4) | 146 |
| N14—H14···O53 | 0.86 | 2.25 | 2.984 (4) | 143 |
| N15—H15C···O32 | 0.90 | 2.20 | 3.077 (4) | 165 |
| N15—H15D···O41 | 0.90 | 2.10 | 2.951 (4) | 157 |
| N16—H16···O31iv | 0.86 | 2.13 | 2.962 (3) | 163 |
| N16—H16···O32iv | 0.86 | 2.40 | 3.113 (4) | 141 |
| Symmetry codes: (i) x, y+1, z; (ii) −x+3/2, y+1/2, −z+1/2; (iii) x, y−1, z; (iv) −x+1, −y+1, −z. |
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The title compound, (I), is isostructural with its zinc congener (Zhang et al., 2005). The cobalt-containing compound was also reported to have the same structure by Zhang and co-workers. We have recently observed a supercell for the latter phase (Srinivasan et al., 2007).
The two [Ni(C3H8N2O2)3]2+ complex cations in (I) are similar (Fig. 1) and are each built up around a slightly distorted fac-NiN3O3 octahedral core (Table 1). A five-membered –Ni—N—N—C—O– chelate ring arises for each of the six distinct N,O-bidentate ligands.
The crystal packing for (I) is consolidated by a large number of cation-to-anion N—H···O hydrogen bonds (Table 2), a number of which are bifurcated.
The crysatl structure of the [Ni(C3H8N2O2)3]2+ complex cation accompanied by chloride ions was described some time ago (Lanfredi et al., 1976).