metal-organic compounds
Dichlorido[2-({[3-(cyclohexylazaniumyl)propyl]imino}methyl)-5-methoxyphenolate]zinc
aDepartment of Chemistry, Huzhou University, Huzhou 313000, People's Republic of China
*Correspondence e-mail: chenyi_wang@163.com
The title mononuclear zinc complex, [ZnCl2(C17H26N2O2)], was obtained by the reaction of 2-hydroxy-4-methoxybenzaldehyde, N-cyclohexylpropane-1,3-diamine and zinc chloride in methanol. The ZnII atom is four-coordinated by the phenolate O atom and imine N atom of the bidentate zwitterionic Schiff base ligand 2-{[3-(cyclohexylamino)propyl]iminomethyl}-5-methoxyphenol, and by two chloride ions, generating a distorted ZnONCl2 tetrahedral geometry. In the crystal, molecules are linked by N—H⋯O hydrogen bonds, forming chains along the c-axis direction.
Related literature
For the Schiff base complexes we reported previously, see: Wang (2009); Wang & Ye (2011). For similar zinc complexes, see: Zhu (2008); Wang (2007); Ikmal Hisham et al. (2011); Datta et al. (2009).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 1998); cell SAINT (Bruker, 1998); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536811027085/hb5943sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811027085/hb5943Isup2.hkl
2-Hydroxy-4-methoxybenzaldehyde (1.0 mmol, 0.152 g), N-cyclohexylpropane-1,3-diamine (1.0 mmol, 0.156 g), and zinc chloride (1.0 mmol, 0.137 g) were dissolved in MeOH (30 ml). The mixture was stirred at room temperature for 10 min to give a clear colorless solution. After keeping the solution in air for several days, colorless block-shaped crystals were formed at the bottom of the vessel.
All H atoms were placed in geometrically idealized positions and constrained to ride on their parent atoms, with C—H distances in the range 0.93–0.97 Å, N—H distances of 0.90 Å, and with Uiso(H) set at 1.2Ueq(C,N) and 1.5Ueq(methyl C).
Data collection: SMART (Bruker, 1998); cell
SAINT (Bruker, 1998); data reduction: SAINT (Bruker, 1998); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).[ZnCl2(C17H26N2O2)] | F(000) = 1776 |
Mr = 426.67 | Dx = 1.428 Mg m−3 |
Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
a = 25.118 (2) Å | Cell parameters from 3616 reflections |
b = 10.543 (1) Å | θ = 2.5–26.9° |
c = 14.992 (2) Å | µ = 1.52 mm−1 |
β = 91.435 (1)° | T = 298 K |
V = 3968.9 (7) Å3 | Block, colorless |
Z = 8 | 0.33 × 0.30 × 0.29 mm |
Bruker SMART CCD diffractometer | 4104 independent reflections |
Radiation source: fine-focus sealed tube | 3101 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.021 |
ω scans | θmax = 26.5°, θmin = 2.1° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −31→30 |
Tmin = 0.634, Tmax = 0.667 | k = −8→13 |
10824 measured reflections | l = −18→18 |
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)] = 0.029 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.075 | H-atom parameters constrained |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0333P)2 + 1.6888P] where P = (Fo2 + 2Fc2)/3 |
4104 reflections | (Δ/σ)max < 0.001 |
218 parameters | Δρmax = 0.21 e Å−3 |
0 restraints | Δρmin = −0.29 e Å−3 |
[ZnCl2(C17H26N2O2)] | V = 3968.9 (7) Å3 |
Mr = 426.67 | Z = 8 |
Monoclinic, C2/c | Mo Kα radiation |
a = 25.118 (2) Å | µ = 1.52 mm−1 |
b = 10.543 (1) Å | T = 298 K |
c = 14.992 (2) Å | 0.33 × 0.30 × 0.29 mm |
β = 91.435 (1)° |
Bruker SMART CCD diffractometer | 4104 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 3101 reflections with I > 2σ(I) |
Tmin = 0.634, Tmax = 0.667 | Rint = 0.021 |
10824 measured reflections |
R[F2 > 2σ(F2)] = 0.029 | 0 restraints |
wR(F2) = 0.075 | H-atom parameters constrained |
S = 1.03 | Δρmax = 0.21 e Å−3 |
4104 reflections | Δρmin = −0.29 e Å−3 |
218 parameters |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2sigma(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 | ||
Zn1 | 0.159066 (10) | 0.50173 (2) | 0.107303 (15) | 0.04105 (9) | |
Cl1 | 0.08297 (2) | 0.50677 (5) | 0.18660 (4) | 0.04897 (14) | |
Cl2 | 0.19579 (3) | 0.68984 (6) | 0.08640 (4) | 0.06432 (18) | |
N1 | 0.20745 (6) | 0.36504 (17) | 0.15451 (10) | 0.0402 (4) | |
N2 | 0.11696 (6) | 0.38198 (15) | 0.37490 (10) | 0.0352 (4) | |
H2A | 0.0999 | 0.4227 | 0.3298 | 0.042* | |
H2B | 0.1262 | 0.4405 | 0.4162 | 0.042* | |
O1 | 0.14586 (6) | 0.42308 (13) | −0.00928 (8) | 0.0435 (3) | |
O2 | 0.12094 (6) | 0.07054 (15) | −0.20497 (11) | 0.0587 (4) | |
C1 | 0.15368 (7) | 0.30174 (18) | −0.02645 (12) | 0.0344 (4) | |
C2 | 0.13357 (7) | 0.25212 (19) | −0.10742 (13) | 0.0381 (5) | |
H2 | 0.1160 | 0.3056 | −0.1477 | 0.046* | |
C3 | 0.13941 (8) | 0.1257 (2) | −0.12835 (14) | 0.0429 (5) | |
C4 | 0.16610 (10) | 0.0448 (2) | −0.06927 (17) | 0.0562 (6) | |
H4 | 0.1695 | −0.0409 | −0.0826 | 0.067* | |
C5 | 0.18707 (9) | 0.0919 (2) | 0.00792 (16) | 0.0553 (6) | |
H5 | 0.2055 | 0.0371 | 0.0462 | 0.066* | |
C6 | 0.18229 (8) | 0.2201 (2) | 0.03293 (13) | 0.0399 (5) | |
C7 | 0.09238 (12) | 0.1469 (3) | −0.26836 (17) | 0.0747 (8) | |
H7A | 0.0606 | 0.1786 | −0.2421 | 0.112* | |
H7B | 0.0831 | 0.0968 | −0.3199 | 0.112* | |
H7C | 0.1143 | 0.2169 | −0.2858 | 0.112* | |
C8 | 0.20912 (8) | 0.2578 (2) | 0.11472 (14) | 0.0443 (5) | |
H8 | 0.2304 | 0.1963 | 0.1422 | 0.053* | |
C9 | 0.23994 (8) | 0.3838 (2) | 0.23653 (13) | 0.0476 (5) | |
H9A | 0.2670 | 0.4472 | 0.2260 | 0.057* | |
H9B | 0.2577 | 0.3050 | 0.2525 | 0.057* | |
C10 | 0.20563 (8) | 0.4261 (2) | 0.31269 (13) | 0.0431 (5) | |
H10A | 0.1861 | 0.5017 | 0.2948 | 0.052* | |
H10B | 0.2284 | 0.4479 | 0.3636 | 0.052* | |
C11 | 0.16647 (8) | 0.3247 (2) | 0.34013 (14) | 0.0416 (5) | |
H11A | 0.1576 | 0.2716 | 0.2891 | 0.050* | |
H11B | 0.1829 | 0.2715 | 0.3858 | 0.050* | |
C12 | 0.07854 (7) | 0.29055 (19) | 0.41592 (13) | 0.0377 (4) | |
H12 | 0.0977 | 0.2403 | 0.4615 | 0.045* | |
C13 | 0.05542 (8) | 0.2016 (2) | 0.34577 (15) | 0.0494 (5) | |
H13A | 0.0838 | 0.1523 | 0.3201 | 0.059* | |
H13B | 0.0383 | 0.2506 | 0.2983 | 0.059* | |
C14 | 0.01487 (10) | 0.1127 (2) | 0.38684 (19) | 0.0663 (7) | |
H14A | −0.0010 | 0.0598 | 0.3404 | 0.080* | |
H14B | 0.0329 | 0.0575 | 0.4297 | 0.080* | |
C15 | −0.02850 (9) | 0.1850 (2) | 0.43294 (18) | 0.0616 (7) | |
H15A | −0.0520 | 0.1258 | 0.4619 | 0.074* | |
H15B | −0.0494 | 0.2324 | 0.3890 | 0.074* | |
C16 | −0.00489 (9) | 0.2753 (3) | 0.50150 (17) | 0.0676 (8) | |
H16A | 0.0127 | 0.2271 | 0.5488 | 0.081* | |
H16B | −0.0332 | 0.3243 | 0.5276 | 0.081* | |
C17 | 0.03513 (8) | 0.3651 (2) | 0.46006 (15) | 0.0511 (6) | |
H17A | 0.0171 | 0.4186 | 0.4162 | 0.061* | |
H17B | 0.0507 | 0.4194 | 0.5060 | 0.061* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Zn1 | 0.04827 (15) | 0.04339 (15) | 0.03132 (13) | 0.00342 (11) | −0.00238 (10) | −0.00043 (10) |
Cl1 | 0.0447 (3) | 0.0621 (4) | 0.0400 (3) | 0.0052 (3) | −0.0005 (2) | 0.0051 (3) |
Cl2 | 0.0750 (4) | 0.0583 (4) | 0.0596 (4) | −0.0202 (3) | 0.0004 (3) | −0.0009 (3) |
N1 | 0.0339 (9) | 0.0555 (11) | 0.0311 (9) | 0.0034 (8) | 0.0014 (7) | 0.0037 (8) |
N2 | 0.0375 (9) | 0.0386 (9) | 0.0292 (8) | −0.0036 (7) | −0.0023 (7) | −0.0006 (7) |
O1 | 0.0626 (9) | 0.0365 (8) | 0.0311 (7) | 0.0094 (7) | −0.0061 (6) | −0.0007 (6) |
O2 | 0.0749 (11) | 0.0453 (9) | 0.0555 (10) | −0.0138 (8) | −0.0046 (8) | −0.0102 (8) |
C1 | 0.0317 (10) | 0.0370 (11) | 0.0348 (10) | 0.0020 (8) | 0.0068 (8) | 0.0028 (8) |
C2 | 0.0362 (10) | 0.0412 (11) | 0.0371 (11) | −0.0016 (9) | 0.0029 (8) | 0.0010 (9) |
C3 | 0.0406 (11) | 0.0427 (12) | 0.0456 (12) | −0.0061 (10) | 0.0064 (9) | −0.0047 (10) |
C4 | 0.0659 (15) | 0.0373 (12) | 0.0655 (16) | 0.0064 (11) | −0.0001 (13) | −0.0046 (12) |
C5 | 0.0576 (14) | 0.0468 (14) | 0.0611 (15) | 0.0142 (11) | −0.0058 (12) | 0.0048 (12) |
C6 | 0.0345 (10) | 0.0442 (12) | 0.0411 (11) | 0.0065 (9) | 0.0006 (9) | 0.0017 (9) |
C7 | 0.098 (2) | 0.0668 (17) | 0.0577 (16) | −0.0215 (16) | −0.0208 (15) | −0.0052 (14) |
C8 | 0.0368 (11) | 0.0531 (14) | 0.0432 (12) | 0.0113 (10) | 0.0016 (9) | 0.0088 (11) |
C9 | 0.0319 (11) | 0.0718 (16) | 0.0389 (11) | −0.0018 (10) | −0.0018 (9) | 0.0049 (11) |
C10 | 0.0385 (11) | 0.0552 (13) | 0.0353 (11) | −0.0071 (10) | −0.0018 (9) | −0.0021 (10) |
C11 | 0.0406 (11) | 0.0445 (12) | 0.0401 (11) | 0.0029 (9) | 0.0071 (9) | −0.0012 (9) |
C12 | 0.0353 (10) | 0.0423 (11) | 0.0354 (10) | −0.0025 (9) | −0.0010 (8) | 0.0064 (9) |
C13 | 0.0473 (12) | 0.0404 (12) | 0.0607 (14) | −0.0069 (10) | 0.0071 (11) | −0.0095 (11) |
C14 | 0.0581 (15) | 0.0444 (14) | 0.097 (2) | −0.0137 (12) | 0.0108 (14) | 0.0005 (14) |
C15 | 0.0444 (13) | 0.0591 (15) | 0.0817 (18) | −0.0114 (12) | 0.0087 (12) | 0.0103 (14) |
C16 | 0.0505 (14) | 0.089 (2) | 0.0642 (16) | −0.0095 (13) | 0.0186 (12) | −0.0027 (14) |
C17 | 0.0425 (12) | 0.0611 (15) | 0.0501 (13) | −0.0067 (11) | 0.0076 (10) | −0.0128 (11) |
Zn1—O1 | 1.9554 (13) | C8—H8 | 0.9300 |
Zn1—N1 | 2.0029 (17) | C9—C10 | 1.515 (3) |
Zn1—Cl2 | 2.2129 (8) | C9—H9A | 0.9700 |
Zn1—Cl1 | 2.2767 (7) | C9—H9B | 0.9700 |
N1—C8 | 1.279 (3) | C10—C11 | 1.516 (3) |
N1—C9 | 1.472 (2) | C10—H10A | 0.9700 |
N2—C11 | 1.488 (2) | C10—H10B | 0.9700 |
N2—C12 | 1.506 (2) | C11—H11A | 0.9700 |
N2—H2A | 0.9000 | C11—H11B | 0.9700 |
N2—H2B | 0.9000 | C12—C17 | 1.510 (3) |
O1—C1 | 1.320 (2) | C12—C13 | 1.514 (3) |
O2—C3 | 1.359 (2) | C12—H12 | 0.9800 |
O2—C7 | 1.426 (3) | C13—C14 | 1.526 (3) |
C1—C2 | 1.404 (3) | C13—H13A | 0.9700 |
C1—C6 | 1.421 (3) | C13—H13B | 0.9700 |
C2—C3 | 1.378 (3) | C14—C15 | 1.511 (3) |
C2—H2 | 0.9300 | C14—H14A | 0.9700 |
C3—C4 | 1.390 (3) | C14—H14B | 0.9700 |
C4—C5 | 1.354 (3) | C15—C16 | 1.511 (3) |
C4—H4 | 0.9300 | C15—H15A | 0.9700 |
C5—C6 | 1.408 (3) | C15—H15B | 0.9700 |
C5—H5 | 0.9300 | C16—C17 | 1.525 (3) |
C6—C8 | 1.440 (3) | C16—H16A | 0.9700 |
C7—H7A | 0.9600 | C16—H16B | 0.9700 |
C7—H7B | 0.9600 | C17—H17A | 0.9700 |
C7—H7C | 0.9600 | C17—H17B | 0.9700 |
O1—Zn1—N1 | 95.66 (6) | H9A—C9—H9B | 108.1 |
O1—Zn1—Cl2 | 108.39 (5) | C9—C10—C11 | 112.44 (18) |
N1—Zn1—Cl2 | 116.33 (5) | C9—C10—H10A | 109.1 |
O1—Zn1—Cl1 | 110.54 (5) | C11—C10—H10A | 109.1 |
N1—Zn1—Cl1 | 110.01 (5) | C9—C10—H10B | 109.1 |
Cl2—Zn1—Cl1 | 114.29 (3) | C11—C10—H10B | 109.1 |
C8—N1—C9 | 118.95 (18) | H10A—C10—H10B | 107.8 |
C8—N1—Zn1 | 119.85 (14) | N2—C11—C10 | 111.25 (17) |
C9—N1—Zn1 | 121.17 (14) | N2—C11—H11A | 109.4 |
C11—N2—C12 | 115.66 (16) | C10—C11—H11A | 109.4 |
C11—N2—H2A | 108.4 | N2—C11—H11B | 109.4 |
C12—N2—H2A | 108.4 | C10—C11—H11B | 109.4 |
C11—N2—H2B | 108.4 | H11A—C11—H11B | 108.0 |
C12—N2—H2B | 108.4 | N2—C12—C17 | 108.84 (17) |
H2A—N2—H2B | 107.4 | N2—C12—C13 | 110.56 (16) |
C1—O1—Zn1 | 124.22 (12) | C17—C12—C13 | 110.99 (16) |
C3—O2—C7 | 118.51 (18) | N2—C12—H12 | 108.8 |
O1—C1—C2 | 118.52 (17) | C17—C12—H12 | 108.8 |
O1—C1—C6 | 122.71 (17) | C13—C12—H12 | 108.8 |
C2—C1—C6 | 118.77 (18) | C12—C13—C14 | 110.40 (19) |
C3—C2—C1 | 121.28 (19) | C12—C13—H13A | 109.6 |
C3—C2—H2 | 119.4 | C14—C13—H13A | 109.6 |
C1—C2—H2 | 119.4 | C12—C13—H13B | 109.6 |
O2—C3—C2 | 124.8 (2) | C14—C13—H13B | 109.6 |
O2—C3—C4 | 115.2 (2) | H13A—C13—H13B | 108.1 |
C2—C3—C4 | 120.1 (2) | C15—C14—C13 | 111.7 (2) |
C5—C4—C3 | 119.4 (2) | C15—C14—H14A | 109.3 |
C5—C4—H4 | 120.3 | C13—C14—H14A | 109.3 |
C3—C4—H4 | 120.3 | C15—C14—H14B | 109.3 |
C4—C5—C6 | 123.1 (2) | C13—C14—H14B | 109.3 |
C4—C5—H5 | 118.5 | H14A—C14—H14B | 107.9 |
C6—C5—H5 | 118.5 | C14—C15—C16 | 110.7 (2) |
C5—C6—C1 | 117.37 (19) | C14—C15—H15A | 109.5 |
C5—C6—C8 | 116.79 (19) | C16—C15—H15A | 109.5 |
C1—C6—C8 | 125.77 (19) | C14—C15—H15B | 109.5 |
O2—C7—H7A | 109.5 | C16—C15—H15B | 109.5 |
O2—C7—H7B | 109.5 | H15A—C15—H15B | 108.1 |
H7A—C7—H7B | 109.5 | C15—C16—C17 | 111.4 (2) |
O2—C7—H7C | 109.5 | C15—C16—H16A | 109.3 |
H7A—C7—H7C | 109.5 | C17—C16—H16A | 109.3 |
H7B—C7—H7C | 109.5 | C15—C16—H16B | 109.3 |
N1—C8—C6 | 128.39 (19) | C17—C16—H16B | 109.3 |
N1—C8—H8 | 115.8 | H16A—C16—H16B | 108.0 |
C6—C8—H8 | 115.8 | C12—C17—C16 | 110.3 (2) |
N1—C9—C10 | 110.81 (16) | C12—C17—H17A | 109.6 |
N1—C9—H9A | 109.5 | C16—C17—H17A | 109.6 |
C10—C9—H9A | 109.5 | C12—C17—H17B | 109.6 |
N1—C9—H9B | 109.5 | C16—C17—H17B | 109.6 |
C10—C9—H9B | 109.5 | H17A—C17—H17B | 108.1 |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···Cl1 | 0.90 | 2.35 | 3.2106 (17) | 160 |
N2—H2B···O1i | 0.90 | 1.88 | 2.776 (2) | 173 |
Symmetry code: (i) x, −y+1, z+1/2. |
Experimental details
Crystal data | |
Chemical formula | [ZnCl2(C17H26N2O2)] |
Mr | 426.67 |
Crystal system, space group | Monoclinic, C2/c |
Temperature (K) | 298 |
a, b, c (Å) | 25.118 (2), 10.543 (1), 14.992 (2) |
β (°) | 91.435 (1) |
V (Å3) | 3968.9 (7) |
Z | 8 |
Radiation type | Mo Kα |
µ (mm−1) | 1.52 |
Crystal size (mm) | 0.33 × 0.30 × 0.29 |
Data collection | |
Diffractometer | Bruker SMART CCD diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.634, 0.667 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 10824, 4104, 3101 |
Rint | 0.021 |
(sin θ/λ)max (Å−1) | 0.628 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.029, 0.075, 1.03 |
No. of reflections | 4104 |
No. of parameters | 218 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.21, −0.29 |
Computer programs: SMART (Bruker, 1998), SAINT (Bruker, 1998), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2A···Cl1 | 0.90 | 2.35 | 3.2106 (17) | 160 |
N2—H2B···O1i | 0.90 | 1.88 | 2.776 (2) | 173 |
Symmetry code: (i) x, −y+1, z+1/2. |
Acknowledgements
This work was supported financially by the Natural Science Foundation of China (No. 31071856), the Natural Science Foundation of Zhejiang Province (No. Y407318), and the Applied Research Project on Nonprofit Technology of Zhejiang Province (No. 2010 C32060).
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As part of our investigations into Schiff base complexes (Wang & Ye, 2011; Wang, 2009), we have synthesized the title compound, a new mononuclear zinc(II) complex, Fig. 1. The Zn atom in the complex is four-coordinated by one phenolate O and one imine N atoms of the Schiff base ligand 2-[(3-cyclohexylaminopropylimino)methyl]-5-methoxyphenol, and by two Cl atoms, generating a distorted tetrahedral geometry. The Zn—O, Zn—N, and Zn—Cl bond lengths (Table 1) are comparable with those observed in other similar zinc(II) complexes (Zhu, 2008; Wang, 2007; Ikmal Hisham et al., 2011; Datta et al., 2009). In the crystal, molecules are linked via intermolecular N—H···O hydrogen bonds (Table 2), forming chains along the c direction (Fig. 2)