Supporting information
Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536807034514/bi2214sup1.cif | |
Structure factor file (CIF format) https://doi.org/10.1107/S1600536807034514/bi2214Isup2.hkl |
CCDC reference: 1270865
All chemicals were used as purchased from Shanghai chemical Co. Ltd. A mixture of zinc(II) acetate (0.5 mmol) and N-(2-hydroxybenzoyl)-N-(2-hydroxy-3-methoxybenzylidene)-hydrazine (0.5 mmol) in DMF (30 ml) was refluxed for 1 h then filtered. Colourless crystals were obtained after a few days standing at room temperature with a yield of 15%. Elemental analysis calculated: C 51.09, H 4.49, N 9.93%; found: C 51.01, H 4.55, N 9.90%.
H atoms were placed geometrically and refined as riding with C—H = 0.93 or 0.96 Å, O—H = 0.82 Å, and with Uiso(H) = 1.2Ueq(C) or 1.5Ueq(O).
The title compound, [Zn4(C15H12N2O4)4].4C3H7NO, is isostructural with its CoII analogue (Gao et al., 2007). As shown in Figure 1, each ZnII cation is penta-coordinated by four O atoms and one N atom, forming a distorted square-based pyramidal geometry. The Zn—O bond lengths are in the range 1.936 (3)–2.275 Å, and Zn—N = 1.961 (4) Å. The ZnII cations are linked into tetrameric complexes about positions of 4 point symmetry by four N-(2-hydroxybenzoyl)-N-(2-hydroxy-3-methoxybenzylidene)-hydrazine anions (Figure 2). The ligand exhibits an intramolecular O—H···N hydrogen bond.
One motivation to study hydrazine and its analogues is to understand better the mechanism of enzymes containing vitamin B6. For related literature, see: Maghler et al. (1982); Rath et al. (1997, 1998). For the analogous CoII complex, see: Gao et al. (2007).
Data collection: APEX2 (Bruker, 2004); cell refinement: SAINT-Plus (Bruker, 2001); data reduction: SAINT-Plus; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 2001); software used to prepare material for publication: SHELXTL.
[Zn4(C15H12N2O4)4]·4C3H7NO | Dx = 1.474 Mg m−3 |
Mr = 1690.93 | Mo Kα radiation, λ = 0.71073 Å |
Tetragonal, I41/a | Cell parameters from 3529 reflections |
Hall symbol: -I 4ad | θ = 1.7–25.5° |
a = 24.1202 (10) Å | µ = 1.32 mm−1 |
c = 13.093 (2) Å | T = 293 K |
V = 7617.2 (12) Å3 | Cube, colourless |
Z = 4 | 0.15 × 0.15 × 0.15 mm |
F(000) = 3488 |
Bruker APEXII CCD diffractometer | 3529 independent reflections |
Radiation source: fine-focus sealed tube | 2249 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.052 |
φ and ω scans | θmax = 25.5°, θmin = 1.7° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −29→26 |
Tmin = 0.826, Tmax = 0.826 | k = −26→29 |
19270 measured reflections | l = −15→15 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.046 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.154 | H-atom parameters not refined |
S = 1.00 | w = 1/[σ2(Fo2) + (0.076P)2 + 20.3206P] where P = (Fo2 + 2Fc2)/3 |
3529 reflections | (Δ/σ)max < 0.001 |
248 parameters | Δρmax = 0.43 e Å−3 |
0 restraints | Δρmin = −0.30 e Å−3 |
[Zn4(C15H12N2O4)4]·4C3H7NO | Z = 4 |
Mr = 1690.93 | Mo Kα radiation |
Tetragonal, I41/a | µ = 1.32 mm−1 |
a = 24.1202 (10) Å | T = 293 K |
c = 13.093 (2) Å | 0.15 × 0.15 × 0.15 mm |
V = 7617.2 (12) Å3 |
Bruker APEXII CCD diffractometer | 3529 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 2249 reflections with I > 2σ(I) |
Tmin = 0.826, Tmax = 0.826 | Rint = 0.052 |
19270 measured reflections |
R[F2 > 2σ(F2)] = 0.046 | 0 restraints |
wR(F2) = 0.154 | H-atom parameters not refined |
S = 1.00 | w = 1/[σ2(Fo2) + (0.076P)2 + 20.3206P] where P = (Fo2 + 2Fc2)/3 |
3529 reflections | Δρmax = 0.43 e Å−3 |
248 parameters | Δρmin = −0.30 e Å−3 |
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 | ||
C1 | 0.3405 (2) | 0.2402 (2) | 0.6596 (4) | 0.0602 (14) | |
H1 | 0.3377 | 0.2495 | 0.7284 | 0.072* | |
C2 | 0.3006 (2) | 0.2089 (2) | 0.6154 (4) | 0.0642 (15) | |
H2 | 0.2703 | 0.1975 | 0.6538 | 0.077* | |
C3 | 0.3046 (2) | 0.1934 (2) | 0.5123 (4) | 0.0579 (13) | |
H3 | 0.2767 | 0.1718 | 0.4833 | 0.069* | |
C4 | 0.34886 (19) | 0.20960 (19) | 0.4540 (3) | 0.0460 (11) | |
C5 | 0.3122 (3) | 0.1772 (4) | 0.2909 (5) | 0.116 (3) | |
H5A | 0.2997 | 0.1411 | 0.3118 | 0.175* | |
H5B | 0.3233 | 0.1759 | 0.2205 | 0.175* | |
H5C | 0.2827 | 0.2035 | 0.2989 | 0.175* | |
C6 | 0.39010 (18) | 0.24382 (18) | 0.4953 (3) | 0.0410 (10) | |
C7 | 0.38608 (19) | 0.25887 (19) | 0.6020 (3) | 0.0449 (11) | |
C8 | 0.42652 (19) | 0.29078 (19) | 0.6552 (3) | 0.0473 (11) | |
H8 | 0.4225 | 0.2952 | 0.7253 | 0.057* | |
C9 | 0.54307 (19) | 0.36577 (18) | 0.6185 (4) | 0.0451 (11) | |
C10 | 0.5861 (2) | 0.39546 (19) | 0.6751 (4) | 0.0496 (12) | |
C11 | 0.6263 (2) | 0.4233 (2) | 0.6198 (5) | 0.0648 (15) | |
H11 | 0.6246 | 0.4240 | 0.5489 | 0.078* | |
C12 | 0.6693 (3) | 0.4505 (3) | 0.6705 (7) | 0.089 (2) | |
H12 | 0.6964 | 0.4696 | 0.6341 | 0.107* | |
C13 | 0.6710 (3) | 0.4484 (3) | 0.7795 (7) | 0.096 (2) | |
H13 | 0.7002 | 0.4656 | 0.8134 | 0.115* | |
C14 | 0.6319 (3) | 0.4226 (3) | 0.8351 (6) | 0.088 (2) | |
H14 | 0.6339 | 0.4225 | 0.9060 | 0.105* | |
C15 | 0.5884 (2) | 0.3959 (2) | 0.7857 (4) | 0.0642 (15) | |
C16 | 0.2793 (4) | 0.3665 (4) | 0.6165 (8) | 0.108 (3) | |
H16 | 0.2618 | 0.3529 | 0.6746 | 0.129* | |
C17 | 0.2830 (5) | 0.3663 (6) | 0.4320 (9) | 0.205 (6) | |
H17A | 0.2659 | 0.3988 | 0.4038 | 0.307* | |
H17B | 0.2782 | 0.3358 | 0.3857 | 0.307* | |
H17C | 0.3218 | 0.3730 | 0.4421 | 0.307* | |
C18 | 0.2097 (4) | 0.3197 (4) | 0.5211 (8) | 0.134 (3) | |
H18A | 0.1976 | 0.3105 | 0.5888 | 0.201* | |
H18B | 0.2182 | 0.2863 | 0.4843 | 0.201* | |
H18C | 0.1809 | 0.3396 | 0.4862 | 0.201* | |
N1 | 0.46812 (16) | 0.31377 (15) | 0.6114 (3) | 0.0445 (9) | |
N2 | 0.50458 (16) | 0.34242 (17) | 0.6749 (3) | 0.0494 (10) | |
N3 | 0.2579 (3) | 0.3533 (3) | 0.5269 (6) | 0.114 (2) | |
O1 | 0.3203 (3) | 0.3951 (3) | 0.6286 (6) | 0.157 (3) | |
O2 | 0.43283 (12) | 0.25892 (13) | 0.4338 (2) | 0.0425 (7) | |
O3 | 0.54506 (13) | 0.36375 (13) | 0.5177 (2) | 0.0488 (8) | |
O4 | 0.5508 (2) | 0.3710 (2) | 0.8454 (3) | 0.0883 (13) | |
H4 | 0.5281 | 0.3546 | 0.8097 | 0.133* | |
O5 | 0.35790 (13) | 0.19336 (14) | 0.3519 (2) | 0.0552 (9) | |
Zn1 | 0.48656 (2) | 0.31666 (2) | 0.46560 (4) | 0.0434 (2) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.064 (3) | 0.079 (4) | 0.037 (3) | −0.005 (3) | 0.016 (2) | −0.003 (3) |
C2 | 0.056 (3) | 0.079 (4) | 0.057 (3) | −0.016 (3) | 0.016 (3) | 0.001 (3) |
C3 | 0.053 (3) | 0.067 (3) | 0.054 (3) | −0.012 (2) | 0.004 (2) | −0.003 (3) |
C4 | 0.051 (3) | 0.052 (3) | 0.034 (3) | −0.001 (2) | 0.001 (2) | 0.000 (2) |
C5 | 0.094 (5) | 0.182 (8) | 0.073 (5) | −0.058 (5) | 0.002 (4) | −0.053 (5) |
C6 | 0.046 (3) | 0.046 (3) | 0.031 (2) | 0.000 (2) | 0.0032 (19) | 0.0023 (19) |
C7 | 0.050 (3) | 0.053 (3) | 0.031 (2) | −0.003 (2) | 0.007 (2) | −0.001 (2) |
C8 | 0.058 (3) | 0.060 (3) | 0.024 (2) | −0.003 (2) | 0.011 (2) | −0.006 (2) |
C9 | 0.053 (3) | 0.046 (3) | 0.036 (3) | 0.006 (2) | −0.002 (2) | −0.010 (2) |
C10 | 0.053 (3) | 0.045 (3) | 0.051 (3) | 0.007 (2) | −0.004 (2) | −0.014 (2) |
C11 | 0.057 (3) | 0.059 (3) | 0.079 (4) | 0.000 (3) | −0.001 (3) | −0.019 (3) |
C12 | 0.060 (4) | 0.072 (4) | 0.134 (7) | −0.009 (3) | 0.004 (4) | −0.032 (4) |
C13 | 0.077 (5) | 0.078 (5) | 0.132 (7) | 0.001 (4) | −0.036 (5) | −0.039 (5) |
C14 | 0.094 (5) | 0.087 (5) | 0.082 (5) | 0.010 (4) | −0.039 (4) | −0.030 (4) |
C15 | 0.072 (4) | 0.067 (3) | 0.054 (3) | 0.009 (3) | −0.017 (3) | −0.017 (3) |
C16 | 0.097 (6) | 0.123 (7) | 0.102 (7) | 0.008 (5) | −0.005 (5) | 0.013 (5) |
C17 | 0.198 (12) | 0.305 (18) | 0.111 (9) | −0.080 (12) | −0.029 (9) | 0.033 (10) |
C18 | 0.114 (7) | 0.129 (7) | 0.159 (10) | 0.003 (6) | −0.016 (6) | −0.014 (7) |
N1 | 0.055 (2) | 0.055 (2) | 0.0239 (19) | −0.0004 (18) | 0.0017 (17) | −0.0064 (17) |
N2 | 0.055 (2) | 0.065 (3) | 0.028 (2) | −0.004 (2) | −0.0002 (18) | −0.0077 (18) |
N3 | 0.098 (5) | 0.161 (7) | 0.085 (5) | −0.007 (5) | −0.018 (4) | 0.011 (5) |
O1 | 0.139 (6) | 0.199 (7) | 0.131 (6) | −0.023 (5) | −0.025 (5) | −0.010 (5) |
O2 | 0.0501 (18) | 0.0563 (18) | 0.0211 (14) | −0.0046 (14) | 0.0036 (13) | −0.0038 (13) |
O3 | 0.061 (2) | 0.0550 (19) | 0.0307 (18) | −0.0062 (15) | 0.0049 (15) | −0.0041 (14) |
O4 | 0.114 (4) | 0.114 (4) | 0.037 (2) | −0.025 (3) | −0.015 (2) | −0.010 (2) |
O5 | 0.056 (2) | 0.072 (2) | 0.0377 (19) | −0.0142 (16) | 0.0000 (15) | −0.0126 (16) |
Zn1 | 0.0547 (4) | 0.0517 (4) | 0.0238 (3) | −0.0025 (2) | 0.0031 (2) | −0.0027 (2) |
C1—C2 | 1.352 (7) | C12—H12 | 0.930 |
C1—C7 | 1.408 (6) | C13—C14 | 1.343 (10) |
C1—H1 | 0.930 | C13—H13 | 0.930 |
C2—C3 | 1.404 (8) | C14—C15 | 1.390 (8) |
C2—H2 | 0.930 | C14—H14 | 0.930 |
C3—C4 | 1.370 (6) | C15—O4 | 1.342 (7) |
C3—H3 | 0.930 | C16—O1 | 1.214 (10) |
C4—C6 | 1.401 (6) | C16—N3 | 1.321 (10) |
C4—O5 | 1.411 (5) | C16—H16 | 0.930 |
C5—O5 | 1.416 (7) | C17—N3 | 1.418 (12) |
C5—H5A | 0.960 | C17—H17A | 0.960 |
C5—H5B | 0.960 | C17—H17B | 0.960 |
C5—H5C | 0.960 | C17—H17C | 0.960 |
C6—O2 | 1.358 (5) | C18—N3 | 1.418 (10) |
C6—C7 | 1.446 (6) | C18—H18A | 0.960 |
C7—C8 | 1.424 (6) | C18—H18B | 0.960 |
C8—N1 | 1.282 (6) | C18—H18C | 0.960 |
C8—H8 | 0.930 | N1—N2 | 1.393 (5) |
C9—N2 | 1.313 (6) | O2—Zn1i | 2.028 (3) |
C9—O3 | 1.322 (5) | O4—H4 | 0.820 |
C9—C10 | 1.463 (6) | O5—Zn1i | 2.275 (3) |
C10—C11 | 1.383 (7) | Zn1—N1 | 1.961 (4) |
C10—C15 | 1.449 (7) | Zn1—O2 | 1.948 (3) |
C11—C12 | 1.395 (8) | Zn1—O3 | 1.936 (3) |
C11—H11 | 0.930 | Zn1—O2ii | 2.028 (3) |
C12—C13 | 1.429 (11) | Zn1—O5ii | 2.275 (3) |
C2—C1—C7 | 120.3 (5) | C15—C14—H14 | 120.3 |
C2—C1—H1 | 119.9 | O4—C15—C14 | 116.6 (6) |
C7—C1—H1 | 119.9 | O4—C15—C10 | 123.6 (5) |
C1—C2—C3 | 120.8 (5) | C14—C15—C10 | 119.8 (6) |
C1—C2—H2 | 119.6 | O1—C16—N3 | 124.8 (9) |
C3—C2—H2 | 119.6 | O1—C16—H16 | 117.6 |
C4—C3—C2 | 120.8 (5) | N3—C16—H16 | 117.6 |
C4—C3—H3 | 119.6 | N3—C17—H17A | 109.4 |
C2—C3—H3 | 119.6 | N3—C17—H17B | 109.5 |
C3—C4—C6 | 120.5 (4) | H17A—C17—H17B | 109.5 |
C3—C4—O5 | 124.7 (4) | N3—C17—H17C | 109.5 |
C6—C4—O5 | 114.8 (4) | H17A—C17—H17C | 109.5 |
O5—C5—H5A | 109.5 | H17B—C17—H17C | 109.5 |
O5—C5—H5B | 109.5 | N3—C18—H18A | 109.5 |
H5A—C5—H5B | 109.5 | N3—C18—H18B | 109.5 |
O5—C5—H5C | 109.5 | H18A—C18—H18B | 109.5 |
H5A—C5—H5C | 109.5 | N3—C18—H18C | 109.5 |
H5B—C5—H5C | 109.5 | H18A—C18—H18C | 109.5 |
O2—C6—C4 | 117.9 (4) | H18B—C18—H18C | 109.5 |
O2—C6—C7 | 123.8 (4) | C8—N1—N2 | 116.3 (4) |
C4—C6—C7 | 118.2 (4) | C8—N1—Zn1 | 128.9 (3) |
C1—C7—C8 | 116.5 (4) | N2—N1—Zn1 | 114.8 (3) |
C1—C7—C6 | 119.3 (4) | C9—N2—N1 | 108.9 (4) |
C8—C7—C6 | 124.2 (4) | C16—N3—C17 | 123.9 (9) |
N1—C8—C7 | 123.5 (4) | C16—N3—C18 | 120.4 (8) |
N1—C8—H8 | 118.3 | C17—N3—C18 | 115.4 (8) |
C7—C8—H8 | 118.3 | C6—O2—Zn1 | 124.7 (3) |
N2—C9—O3 | 124.8 (4) | C6—O2—Zn1i | 120.3 (3) |
N2—C9—C10 | 115.3 (4) | Zn1—O2—Zn1i | 113.10 (14) |
O3—C9—C10 | 119.9 (4) | C9—O3—Zn1 | 110.3 (3) |
C11—C10—C15 | 119.5 (5) | C15—O4—H4 | 109.5 |
C11—C10—C9 | 118.0 (5) | C4—O5—C5 | 119.4 (4) |
C15—C10—C9 | 122.5 (5) | C4—O5—Zn1i | 111.4 (3) |
C10—C11—C12 | 120.0 (6) | C5—O5—Zn1i | 122.0 (4) |
C10—C11—H11 | 120.0 | O3—Zn1—O2 | 168.57 (13) |
C12—C11—H11 | 120.0 | O3—Zn1—N1 | 80.97 (14) |
C11—C12—C13 | 118.6 (7) | O2—Zn1—N1 | 91.83 (14) |
C11—C12—H12 | 120.7 | O3—Zn1—O2ii | 98.19 (13) |
C13—C12—H12 | 120.7 | O2—Zn1—O2ii | 88.56 (12) |
C14—C13—C12 | 122.5 (6) | N1—Zn1—O2ii | 177.14 (14) |
C14—C13—H13 | 118.7 | O3—Zn1—O5ii | 90.08 (13) |
C12—C13—H13 | 118.7 | O2—Zn1—O5ii | 100.61 (13) |
C13—C14—C15 | 119.5 (7) | N1—Zn1—O5ii | 107.61 (13) |
C13—C14—H14 | 120.3 | O2ii—Zn1—O5ii | 75.09 (11) |
Symmetry codes: (i) −y+3/4, x−1/4, −z+3/4; (ii) y+1/4, −x+3/4, −z+3/4. |
Experimental details
Crystal data | |
Chemical formula | [Zn4(C15H12N2O4)4]·4C3H7NO |
Mr | 1690.93 |
Crystal system, space group | Tetragonal, I41/a |
Temperature (K) | 293 |
a, c (Å) | 24.1202 (10), 13.093 (2) |
V (Å3) | 7617.2 (12) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 1.32 |
Crystal size (mm) | 0.15 × 0.15 × 0.15 |
Data collection | |
Diffractometer | Bruker APEXII CCD |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.826, 0.826 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 19270, 3529, 2249 |
Rint | 0.052 |
(sin θ/λ)max (Å−1) | 0.606 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.046, 0.154, 1.00 |
No. of reflections | 3529 |
No. of parameters | 248 |
H-atom treatment | H-atom parameters not refined |
w = 1/[σ2(Fo2) + (0.076P)2 + 20.3206P] where P = (Fo2 + 2Fc2)/3 | |
Δρmax, Δρmin (e Å−3) | 0.43, −0.30 |
Computer programs: APEX2 (Bruker, 2004), SAINT-Plus (Bruker, 2001), SAINT-Plus, SHELXS97 (Sheldrick, 1997), SHELXL97 (Sheldrick, 1997), SHELXTL (Bruker, 2001), SHELXTL.
Zn1—N1 | 1.961 (4) | Zn1—O2i | 2.028 (3) |
Zn1—O2 | 1.948 (3) | Zn1—O5i | 2.275 (3) |
Zn1—O3 | 1.936 (3) |
Symmetry code: (i) y+1/4, −x+3/4, −z+3/4. |
The title compound, [Zn4(C15H12N2O4)4].4C3H7NO, is isostructural with its CoII analogue (Gao et al., 2007). As shown in Figure 1, each ZnII cation is penta-coordinated by four O atoms and one N atom, forming a distorted square-based pyramidal geometry. The Zn—O bond lengths are in the range 1.936 (3)–2.275 Å, and Zn—N = 1.961 (4) Å. The ZnII cations are linked into tetrameric complexes about positions of 4 point symmetry by four N-(2-hydroxybenzoyl)-N-(2-hydroxy-3-methoxybenzylidene)-hydrazine anions (Figure 2). The ligand exhibits an intramolecular O—H···N hydrogen bond.