metal-organic compounds
Bis(1,3-benzothiazole-2-thiolato)[(Z)-methyl 2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetate]nickel(II)
aMaterials Chemistry Laboratory, Department of Chemistry, Government College University, Lahore 54000, Pakistan, and bDepartment of Physics, Ondokuz Mayıs University, TR-55139 Samsun, Turkey
*Correspondence e-mail: iuklodhi@yahoo.com, onurs@omu.edu.tr
In the title compound, [Ni(C7H4NS2)2(C7H9N3O3S)], the NiII ion is in a slightly distorted N4S2 octahedral coordination environment. The two benzothiazole-2-thiolate ligands chelate via their thiazole N and thiolate S atoms while the methyl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetate also acts as a chelate ligand binding through the thiazole and imino N atoms. Intramolecular N—H⋯N, C—H⋯N and C—H⋯O interactions contribute to the molecular conformation. In the intermolecular N—H⋯O hydrogen bonds produce R12(6) rings and generate chains along the c axis. An extensive one-dimensional supramolecular network of N—H⋯O hydrogen bonds and C—H⋯π interactions is responsible for the stabilization.
Related literature
For the graph-set analysis of hydrogen-bond patterns, see: Bernstein et al. (1995). For related structures, see: Batı et al. (2006); Sieroń (2007); Liu & Xu (2004); Sharif et al. (2009); Song et al. (2005); Tashpulatov et al. (1957).
Experimental
Crystal data
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Data collection
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Refinement
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Data collection: APEX2 (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supporting information
https://doi.org/10.1107/S1600536810015072/sj2774sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810015072/sj2774Isup2.hkl
MAEM (0.25 g, 0.71 mmol) was dissolved in 20 ml methanol and refluxed for 10 minutes. A solution of nickel acetate (0.25 g, 0.18 mmol) previously prepared in 5 ml methanol was added dropwise, the mixture was refluxed further for one hour. The resulting solution was filtered. The filtrate was kept for slow evaporation, after three days light yellow crystals suitable for crystallography were obtained.
All H-atoms bound to C were refined using a riding model with d(C—H) = 0.93Å (Uiso=1.2Ueq of the parent atom) for aromatic carbon atoms and d(C—H) = 0.96Å (Uiso=1.5Ueq of the parent atom) for methyl carbon atoms. Amino H atoms were located in difference maps and refined subject to the DFIX restraint N—H = 0.87 (2) Å.
This work was performed to explore the ligand properties of (2Z)-Methyl 2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)ethanoate (Sharif et al., 2009), one of the precursors of S-1,3-Benzothiazol-2-yl(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2- (methoxyimino)-ethanethioate (MAEM). A study of the ligand behaviour of a second MAEM component 2-mercapto-benzothiazole has also been reported (Tashpulatov et al., 1957). We report here the structure of the title compound, (I), in which hydrogen bonds and C—H···π interactions lead to a one-dimensional supramolecular network.
The molecular structure of (I) and atom-labelling scheme are shown in Fig. 1. The NiII ion is coordinated by two S atoms (S2 and S4) and four N atoms (N1, N2, N3 and N4). The geometry around the NiIIion is that of a slightly distorted octahedron. The title compound (I) has got two chelate ring types. In the first of these, atoms N3 and N4 are bonded to Ni1, thus generating five-membered chelate ring (C17/N3/Ni1/N4/C18). The other type, atoms N1, N2, S2 and S4 are bonded to Ni1 to form four-membered chelate rings (N1/Ni1/S2/C7) and (N2/Ni1/S4/C14). The two Ni—S distances are 2.5123 (10) and 2.5410 (11) Å. The Ni—Nthiazol distance of 2.042 (3)Å in (I) is almost equal to that in [Ni(NCS)(C6H6N4S2)(CH4O)]Cl (Liu and Xu, 2004). The Ni—Nbenzothiazol distances in (I) are longer than the equivalent Pd—N bond distance (Song et al., 2005), Co—N bond distances (Batı et al., 2006) and Cu—N bond distance (Sieroń, 2007). The N1—C7 and N2—C14 bond lengths are indicative of significant double-bond character. These values are comparable with those found for similar compounds (Batı et al., 2006; Sieroń, 2007). The N4═C18 and C19═O2 bond lengths are 1.281 (4) and 1.194 (4) Å, respectively, and agree with the corresponding distances in S-1,3-Benzothiazol-2-yl-(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)- ethanethioate [1.281 (3) and 1.190 (3) Å, respectively; Sharif et al., 2009]. The C15—N3 bond is somewhat shorter than the C17—N3 bond, as a result of pronounced delocalization in the -N—C═N- fragment of the 2-aminothiazole ring. Each benzothiazole ligand is planar; the angles between the mean planes through the five-and six-membered rings of each ligand being 2.18 (14)° and 1.37 (20)°.
The molecules of (I) are linked by intermolecular hydrogen bonding, and we employ graph-set notation (Bernstein et al., 1995) to describe the patterns of hydrogen bonding. Molecules of (I) are linked into sheets by a combination of N—H···O hydrogen bonds (Table 2). Within the selected
intramolecular N—H···N, C—H···N and C—H···O hydrogen bonds define S(6) motifs (Fig. 1). Amino atom N5 in the reference molecule at (x, y, z) acts as hydrogen-bond donor, via atom H5B, to atom O1 in the molecule at (x, 1/2-y, z-1/2), so forming a C(7) chain running parallel to the [00-1] direction. Similarly, amino atom N5 in the reference molecule at (x, y, z) acts as hydrogen-bond donor, via atom H5B, to atom O2 in the molecule at (x, 1/2-y, z-1/2), so forming a C(8) chain running parallel to the [00-1] direction. The combination of C(7) and C(8) chains generates a chain of edge-fused R12(6) rings running parallel to the [001] direction (Fig. 2).Compound (I) also contains three intermolecular C—H···π interactions. In the first, atom C21 in the molecule at (x, y, z) acts as hydrogen-bond donor to the C8—C13 benzene ring in the molecule at (x, 1/2-y, 1/2+z), so forming a C(8) chain running parallel to the [001] direction. The combination of N—H···O hydrogen bonds and C—H···π interactions produce R22(11) rings (Fig. 2). In the second, atom C4 in the molecule at (x, y, z) acts as hydrogen-bond donor to the C8—C13 benzene ring in the molecule at (-x, -y, 2-z), so forming a centrosymmetric R22(20) rings centred at (0, 0, n+1) (n = zero or integer) (Fig. 3). Finally, atom C9 in the molecule at (x, y, z) acts as hydrogen-bond donor to the C1—C6 benzene ring in the molecule at (x, 1/2-y, z-1/2), so forming a C(9) chain running parallel to the [00-1] direction. Details of these interactions are given in Table 2. The combination of C—H···π interactions generates a chain of edge-fused R22(20) and R66(30) rings running parallel to the [001] direction (Fig. 3).
For the graph-set analysis of hydrogen-bond patterns, see: Bernstein et al. (1995). For related structures, see: Batı et al. (2006); Sieroń (2007); Liu & Xu (2004); Sharif et al. (2009); Song et al. (2005); Tashpulatov et al. (1957).
Data collection: APEX2 (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).Fig. 1. A view of the molecule of (I), showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 30% probability level and H atoms are shown as small spheres of arbitrary radii. Hydrogen bonds are indicated by dashed lines. | |
Fig. 2. Part of the crystal structure of (I), showing the formation of R12(6) and R22(11) rings. N—H···O hydrogen bonds and C—H···π interactions are indicated by dashed lines. H atoms not involved in these interactions have been omitted for clarity. (Symmetry codes as in Table 2.) | |
Fig. 3. Part of the crystal structure of (I), showing the formation of a chain along [001] generated by the C—H···π interactions (dashed lines; see Table 2). For the sake of clarity, H atoms not involved in the motif shown have been omitted. (Symmetry codes as in Table 2.) |
[Ni(C7H4NS2)2(C7H9N3O3S)] | F(000) = 1240 |
Mr = 606.41 | Dx = 1.613 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 4277 reflections |
a = 17.8387 (11) Å | θ = 2.3–23.3° |
b = 7.8701 (5) Å | µ = 1.23 mm−1 |
c = 17.9861 (10) Å | T = 296 K |
β = 98.639 (2)° | Needle, colourless |
V = 2496.5 (3) Å3 | 0.42 × 0.37 × 0.34 mm |
Z = 4 |
Bruker APEXII CCD area-detector diffractometer | 3512 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.056 |
Graphite monochromator | θmax = 28.3°, θmin = 1.2° |
φ and ω scans | h = −23→23 |
26981 measured reflections | k = −10→10 |
6164 independent reflections | l = −20→23 |
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)] = 0.043 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.131 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0609P)2] where P = (Fo2 + 2Fc2)/3 |
6164 reflections | (Δ/σ)max = 0.001 |
324 parameters | Δρmax = 0.39 e Å−3 |
2 restraints | Δρmin = −0.32 e Å−3 |
[Ni(C7H4NS2)2(C7H9N3O3S)] | V = 2496.5 (3) Å3 |
Mr = 606.41 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 17.8387 (11) Å | µ = 1.23 mm−1 |
b = 7.8701 (5) Å | T = 296 K |
c = 17.9861 (10) Å | 0.42 × 0.37 × 0.34 mm |
β = 98.639 (2)° |
Bruker APEXII CCD area-detector diffractometer | 3512 reflections with I > 2σ(I) |
26981 measured reflections | Rint = 0.056 |
6164 independent reflections |
R[F2 > 2σ(F2)] = 0.043 | 2 restraints |
wR(F2) = 0.131 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.03 | Δρmax = 0.39 e Å−3 |
6164 reflections | Δρmin = −0.32 e Å−3 |
324 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 > 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 | 0.1273 (2) | 0.1742 (5) | 1.06227 (18) | 0.0477 (9) | |
C2 | 0.0859 (2) | 0.3229 (6) | 1.0511 (2) | 0.0597 (11) | |
H2 | 0.1078 | 0.4225 | 1.0367 | 0.072* | |
C3 | 0.0109 (3) | 0.3189 (8) | 1.0620 (3) | 0.0794 (15) | |
H3 | −0.0182 | 0.4171 | 1.0540 | 0.095* | |
C4 | −0.0216 (3) | 0.1725 (9) | 1.0845 (3) | 0.0903 (18) | |
H4 | −0.0722 | 0.1741 | 1.0916 | 0.108* | |
C5 | 0.0185 (3) | 0.0264 (8) | 1.0963 (3) | 0.0841 (16) | |
H5 | −0.0040 | −0.0717 | 1.1115 | 0.101* | |
C6 | 0.0942 (2) | 0.0261 (6) | 1.0853 (2) | 0.0607 (11) | |
C7 | 0.2253 (2) | −0.0043 (5) | 1.06449 (18) | 0.0443 (9) | |
C8 | 0.1283 (2) | 0.1743 (5) | 0.80170 (18) | 0.0440 (9) | |
C9 | 0.0844 (2) | 0.0802 (6) | 0.7465 (2) | 0.0593 (11) | |
H9 | 0.0446 | 0.1301 | 0.7146 | 0.071* | |
C10 | 0.1009 (2) | −0.0861 (6) | 0.7403 (2) | 0.0646 (12) | |
H10 | 0.0720 | −0.1508 | 0.7032 | 0.078* | |
C11 | 0.1593 (3) | −0.1627 (5) | 0.7872 (2) | 0.0602 (11) | |
H11 | 0.1693 | −0.2774 | 0.7810 | 0.072* | |
C12 | 0.2033 (2) | −0.0723 (5) | 0.8431 (2) | 0.0474 (9) | |
H12 | 0.2420 | −0.1248 | 0.8753 | 0.057* | |
C13 | 0.18813 (18) | 0.0992 (4) | 0.84986 (16) | 0.0342 (7) | |
C14 | 0.20073 (18) | 0.3672 (4) | 0.89389 (18) | 0.0396 (8) | |
C15 | 0.4252 (2) | 0.2366 (5) | 0.90876 (18) | 0.0449 (9) | |
C16 | 0.5309 (2) | 0.2658 (5) | 1.01051 (19) | 0.0511 (10) | |
H16 | 0.5764 | 0.2740 | 1.0431 | 0.061* | |
C17 | 0.46199 (18) | 0.2752 (4) | 1.03122 (17) | 0.0395 (8) | |
C18 | 0.44057 (19) | 0.3070 (5) | 1.10545 (17) | 0.0400 (8) | |
C19 | 0.4991 (2) | 0.3044 (5) | 1.17575 (19) | 0.0480 (10) | |
C20 | 0.6241 (2) | 0.3713 (7) | 1.2288 (2) | 0.0851 (16) | |
H20A | 0.6677 | 0.4288 | 1.2156 | 0.128* | |
H20B | 0.6367 | 0.2549 | 1.2407 | 0.128* | |
H20C | 0.6085 | 0.4257 | 1.2718 | 0.128* | |
C21 | 0.2788 (2) | 0.4476 (6) | 1.1692 (2) | 0.0766 (14) | |
H21A | 0.2668 | 0.4729 | 1.2183 | 0.115* | |
H21B | 0.2407 | 0.3734 | 1.1434 | 0.115* | |
H21C | 0.2801 | 0.5511 | 1.1412 | 0.115* | |
N1 | 0.20268 (14) | 0.1531 (4) | 1.05239 (14) | 0.0379 (7) | |
N2 | 0.22816 (14) | 0.2105 (3) | 0.90121 (14) | 0.0341 (6) | |
N3 | 0.40088 (14) | 0.2583 (4) | 0.97356 (14) | 0.0390 (7) | |
N4 | 0.36948 (16) | 0.3292 (4) | 1.10589 (14) | 0.0421 (7) | |
N5 | 0.3796 (2) | 0.2109 (6) | 0.84349 (18) | 0.0689 (11) | |
H5A | 0.3330 (13) | 0.195 (6) | 0.846 (3) | 0.099 (18)* | |
H5B | 0.400 (2) | 0.197 (5) | 0.8034 (15) | 0.075 (14)* | |
O1 | 0.35067 (14) | 0.3667 (4) | 1.17628 (12) | 0.0565 (7) | |
O2 | 0.48854 (16) | 0.2341 (4) | 1.23206 (15) | 0.0793 (10) | |
O3 | 0.56225 (14) | 0.3783 (4) | 1.16549 (13) | 0.0603 (7) | |
S1 | 0.15776 (7) | −0.14012 (16) | 1.09195 (7) | 0.0752 (4) | |
S2 | 0.31353 (5) | −0.06091 (13) | 1.04963 (6) | 0.0561 (3) | |
S3 | 0.12298 (6) | 0.38890 (12) | 0.82287 (6) | 0.0565 (3) | |
S4 | 0.24041 (6) | 0.52105 (12) | 0.95328 (5) | 0.0520 (3) | |
S5 | 0.52295 (5) | 0.23624 (15) | 0.91477 (5) | 0.0567 (3) | |
Ni1 | 0.29632 (2) | 0.24588 (5) | 1.00641 (2) | 0.03629 (14) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.035 (2) | 0.077 (3) | 0.0312 (18) | 0.0005 (19) | 0.0061 (15) | 0.0008 (18) |
C2 | 0.038 (2) | 0.086 (3) | 0.055 (2) | 0.015 (2) | 0.0075 (18) | −0.003 (2) |
C3 | 0.042 (3) | 0.134 (5) | 0.065 (3) | 0.022 (3) | 0.018 (2) | −0.010 (3) |
C4 | 0.035 (3) | 0.180 (6) | 0.059 (3) | 0.001 (3) | 0.022 (2) | −0.014 (3) |
C5 | 0.049 (3) | 0.143 (5) | 0.067 (3) | −0.024 (3) | 0.028 (2) | 0.000 (3) |
C6 | 0.045 (2) | 0.095 (3) | 0.045 (2) | −0.013 (2) | 0.0139 (18) | 0.002 (2) |
C7 | 0.041 (2) | 0.057 (2) | 0.0363 (18) | −0.0005 (17) | 0.0095 (15) | 0.0108 (16) |
C8 | 0.043 (2) | 0.052 (2) | 0.0368 (19) | −0.0017 (17) | 0.0051 (16) | 0.0007 (16) |
C9 | 0.051 (2) | 0.079 (3) | 0.045 (2) | −0.006 (2) | −0.0011 (18) | −0.004 (2) |
C10 | 0.069 (3) | 0.074 (3) | 0.051 (2) | −0.021 (2) | 0.011 (2) | −0.019 (2) |
C11 | 0.080 (3) | 0.045 (2) | 0.061 (3) | −0.016 (2) | 0.031 (2) | −0.009 (2) |
C12 | 0.055 (2) | 0.043 (2) | 0.047 (2) | −0.0021 (18) | 0.0171 (18) | 0.0041 (17) |
C13 | 0.0340 (18) | 0.042 (2) | 0.0288 (16) | −0.0045 (15) | 0.0114 (13) | 0.0041 (14) |
C14 | 0.0390 (19) | 0.042 (2) | 0.0379 (18) | 0.0000 (16) | 0.0066 (14) | 0.0059 (15) |
C15 | 0.0353 (19) | 0.070 (3) | 0.0310 (17) | 0.0007 (17) | 0.0116 (14) | 0.0010 (17) |
C16 | 0.035 (2) | 0.084 (3) | 0.0359 (18) | 0.0064 (19) | 0.0094 (15) | 0.0042 (18) |
C17 | 0.0318 (18) | 0.058 (2) | 0.0298 (16) | 0.0000 (15) | 0.0078 (13) | 0.0029 (15) |
C18 | 0.0311 (18) | 0.063 (2) | 0.0272 (16) | 0.0015 (16) | 0.0076 (13) | 0.0020 (15) |
C19 | 0.035 (2) | 0.081 (3) | 0.0286 (19) | 0.0021 (18) | 0.0049 (15) | 0.0021 (17) |
C20 | 0.041 (2) | 0.140 (5) | 0.067 (3) | −0.006 (3) | −0.019 (2) | 0.011 (3) |
C21 | 0.047 (3) | 0.131 (4) | 0.054 (2) | 0.021 (3) | 0.014 (2) | −0.028 (3) |
N1 | 0.0304 (15) | 0.0493 (18) | 0.0359 (15) | 0.0019 (13) | 0.0111 (11) | 0.0052 (13) |
N2 | 0.0316 (15) | 0.0374 (16) | 0.0335 (14) | −0.0010 (12) | 0.0052 (11) | 0.0032 (12) |
N3 | 0.0300 (15) | 0.062 (2) | 0.0258 (13) | −0.0044 (13) | 0.0061 (11) | −0.0009 (13) |
N4 | 0.0345 (16) | 0.067 (2) | 0.0276 (14) | 0.0020 (14) | 0.0120 (12) | −0.0021 (13) |
N5 | 0.043 (2) | 0.136 (4) | 0.0301 (17) | −0.014 (2) | 0.0131 (15) | −0.0117 (19) |
O1 | 0.0418 (15) | 0.102 (2) | 0.0273 (12) | 0.0106 (14) | 0.0117 (10) | −0.0078 (13) |
O2 | 0.0513 (18) | 0.146 (3) | 0.0385 (16) | −0.0071 (17) | 0.0009 (13) | 0.0277 (17) |
O3 | 0.0345 (15) | 0.099 (2) | 0.0440 (14) | −0.0096 (14) | −0.0039 (11) | 0.0060 (14) |
S1 | 0.0697 (8) | 0.0732 (8) | 0.0864 (8) | −0.0135 (6) | 0.0235 (6) | 0.0291 (7) |
S2 | 0.0450 (6) | 0.0578 (6) | 0.0653 (6) | 0.0135 (5) | 0.0076 (5) | 0.0124 (5) |
S3 | 0.0585 (7) | 0.0500 (6) | 0.0549 (6) | 0.0118 (5) | −0.0118 (5) | 0.0046 (5) |
S4 | 0.0647 (7) | 0.0398 (5) | 0.0495 (5) | −0.0027 (5) | 0.0023 (5) | −0.0028 (4) |
S5 | 0.0347 (5) | 0.1025 (9) | 0.0359 (5) | 0.0064 (5) | 0.0150 (4) | 0.0007 (5) |
Ni1 | 0.0291 (2) | 0.0506 (3) | 0.0298 (2) | 0.0005 (2) | 0.00674 (16) | 0.00160 (19) |
C1—C2 | 1.382 (6) | C15—N3 | 1.315 (4) |
C1—N1 | 1.392 (4) | C15—N5 | 1.340 (4) |
C1—C6 | 1.398 (5) | C15—S5 | 1.730 (4) |
C2—C3 | 1.380 (6) | C16—C17 | 1.339 (5) |
C2—H2 | 0.9300 | C16—S5 | 1.722 (4) |
C3—C4 | 1.378 (8) | C16—H16 | 0.9300 |
C3—H3 | 0.9300 | C17—N3 | 1.394 (4) |
C4—C5 | 1.354 (7) | C17—C18 | 1.464 (5) |
C4—H4 | 0.9300 | C18—N4 | 1.281 (4) |
C5—C6 | 1.394 (6) | C18—C19 | 1.514 (4) |
C5—H5 | 0.9300 | C19—O2 | 1.194 (4) |
C6—S1 | 1.724 (5) | C19—O3 | 1.305 (4) |
C7—N1 | 1.311 (4) | C20—O3 | 1.463 (4) |
C7—S2 | 1.695 (4) | C20—H20A | 0.9600 |
C7—S1 | 1.737 (4) | C20—H20B | 0.9600 |
C8—C9 | 1.383 (5) | C20—H20C | 0.9600 |
C8—C13 | 1.401 (4) | C21—O1 | 1.421 (4) |
C8—S3 | 1.737 (4) | C21—H21A | 0.9600 |
C9—C10 | 1.350 (6) | C21—H21B | 0.9600 |
C9—H9 | 0.9300 | C21—H21C | 0.9600 |
C10—C11 | 1.377 (6) | N1—Ni1 | 2.103 (3) |
C10—H10 | 0.9300 | N2—Ni1 | 2.108 (2) |
C11—C12 | 1.376 (5) | N3—Ni1 | 2.042 (3) |
C11—H11 | 0.9300 | N4—O1 | 1.389 (3) |
C12—C13 | 1.385 (5) | N4—Ni1 | 2.153 (3) |
C12—H12 | 0.9300 | N5—H5A | 0.848 (19) |
C13—N2 | 1.390 (4) | N5—H5B | 0.863 (19) |
C14—N2 | 1.326 (4) | S2—Ni1 | 2.5410 (11) |
C14—S4 | 1.697 (3) | S4—Ni1 | 2.5123 (10) |
C14—S3 | 1.747 (3) | ||
C2—C1—N1 | 126.0 (4) | C17—C18—C19 | 121.1 (3) |
C2—C1—C6 | 120.5 (4) | O2—C19—O3 | 125.2 (3) |
N1—C1—C6 | 113.4 (4) | O2—C19—C18 | 122.5 (3) |
C3—C2—C1 | 117.9 (5) | O3—C19—C18 | 112.2 (3) |
C3—C2—H2 | 121.0 | O3—C20—H20A | 109.5 |
C1—C2—H2 | 121.0 | O3—C20—H20B | 109.5 |
C4—C3—C2 | 121.4 (5) | H20A—C20—H20B | 109.5 |
C4—C3—H3 | 119.3 | O3—C20—H20C | 109.5 |
C2—C3—H3 | 119.3 | H20A—C20—H20C | 109.5 |
C5—C4—C3 | 121.3 (5) | H20B—C20—H20C | 109.5 |
C5—C4—H4 | 119.3 | O1—C21—H21A | 109.5 |
C3—C4—H4 | 119.3 | O1—C21—H21B | 109.5 |
C4—C5—C6 | 118.7 (5) | H21A—C21—H21B | 109.5 |
C4—C5—H5 | 120.7 | O1—C21—H21C | 109.5 |
C6—C5—H5 | 120.7 | H21A—C21—H21C | 109.5 |
C5—C6—C1 | 120.2 (4) | H21B—C21—H21C | 109.5 |
C5—C6—S1 | 129.3 (4) | C7—N1—C1 | 111.8 (3) |
C1—C6—S1 | 110.5 (3) | C7—N1—Ni1 | 98.7 (2) |
N1—C7—S2 | 119.5 (3) | C1—N1—Ni1 | 148.0 (2) |
N1—C7—S1 | 114.8 (3) | C14—N2—C13 | 112.0 (3) |
S2—C7—S1 | 125.7 (2) | C14—N2—Ni1 | 96.95 (19) |
C9—C8—C13 | 120.9 (4) | C13—N2—Ni1 | 148.1 (2) |
C9—C8—S3 | 129.4 (3) | C15—N3—C17 | 110.3 (3) |
C13—C8—S3 | 109.6 (2) | C15—N3—Ni1 | 133.5 (2) |
C10—C9—C8 | 118.2 (4) | C17—N3—Ni1 | 115.8 (2) |
C10—C9—H9 | 120.9 | C18—N4—O1 | 114.2 (3) |
C8—C9—H9 | 120.9 | C18—N4—Ni1 | 115.5 (2) |
C9—C10—C11 | 121.8 (4) | O1—N4—Ni1 | 128.5 (2) |
C9—C10—H10 | 119.1 | C15—N5—H5A | 116 (3) |
C11—C10—H10 | 119.1 | C15—N5—H5B | 118 (3) |
C12—C11—C10 | 121.1 (4) | H5A—N5—H5B | 125 (4) |
C12—C11—H11 | 119.4 | N4—O1—C21 | 110.6 (2) |
C10—C11—H11 | 119.4 | C19—O3—C20 | 116.0 (3) |
C11—C12—C13 | 118.1 (3) | C6—S1—C7 | 89.47 (19) |
C11—C12—H12 | 121.0 | C7—S2—Ni1 | 74.11 (13) |
C13—C12—H12 | 121.0 | C8—S3—C14 | 90.12 (16) |
C12—C13—N2 | 125.8 (3) | C14—S4—Ni1 | 74.26 (11) |
C12—C13—C8 | 119.8 (3) | C16—S5—C15 | 89.61 (17) |
N2—C13—C8 | 114.4 (3) | N3—Ni1—N1 | 160.83 (11) |
N2—C14—S4 | 119.2 (2) | N3—Ni1—N2 | 100.11 (10) |
N2—C14—S3 | 113.8 (2) | N1—Ni1—N2 | 85.53 (10) |
S4—C14—S3 | 126.9 (2) | N3—Ni1—N4 | 76.10 (10) |
N3—C15—N5 | 123.9 (3) | N1—Ni1—N4 | 101.37 (10) |
N3—C15—S5 | 114.1 (2) | N2—Ni1—N4 | 169.15 (11) |
N5—C15—S5 | 121.9 (3) | N3—Ni1—S4 | 100.16 (8) |
C17—C16—S5 | 110.2 (3) | N1—Ni1—S4 | 98.95 (8) |
C17—C16—H16 | 124.9 | N2—Ni1—S4 | 68.27 (7) |
S5—C16—H16 | 124.9 | N4—Ni1—S4 | 102.12 (8) |
C16—C17—N3 | 115.8 (3) | N3—Ni1—S2 | 93.47 (8) |
C16—C17—C18 | 129.7 (3) | N1—Ni1—S2 | 67.44 (8) |
N3—C17—C18 | 114.4 (3) | N2—Ni1—S2 | 100.15 (7) |
N4—C18—C17 | 115.0 (3) | N4—Ni1—S2 | 90.28 (9) |
N4—C18—C19 | 123.8 (3) | S4—Ni1—S2 | 163.39 (4) |
N1—C1—C2—C3 | 178.5 (3) | C1—C6—S1—C7 | 0.4 (3) |
C6—C1—C2—C3 | −1.3 (5) | N1—C7—S1—C6 | 0.9 (3) |
C1—C2—C3—C4 | 1.0 (6) | S2—C7—S1—C6 | −176.7 (3) |
C2—C3—C4—C5 | −0.4 (7) | N1—C7—S2—Ni1 | −5.0 (2) |
C3—C4—C5—C6 | 0.0 (7) | S1—C7—S2—Ni1 | 172.4 (2) |
C4—C5—C6—C1 | −0.2 (6) | C9—C8—S3—C14 | −178.4 (4) |
C4—C5—C6—S1 | −177.0 (4) | C13—C8—S3—C14 | 0.4 (3) |
C2—C1—C6—C5 | 0.9 (6) | N2—C14—S3—C8 | −0.3 (3) |
N1—C1—C6—C5 | −178.9 (3) | S4—C14—S3—C8 | −178.2 (3) |
C2—C1—C6—S1 | 178.2 (3) | N2—C14—S4—Ni1 | −10.3 (2) |
N1—C1—C6—S1 | −1.6 (4) | S3—C14—S4—Ni1 | 167.6 (3) |
C13—C8—C9—C10 | −0.1 (6) | C17—C16—S5—C15 | −0.5 (3) |
S3—C8—C9—C10 | 178.6 (3) | N3—C15—S5—C16 | 0.4 (3) |
C8—C9—C10—C11 | 0.3 (6) | N5—C15—S5—C16 | −177.5 (4) |
C9—C10—C11—C12 | 0.4 (6) | C15—N3—Ni1—N1 | 100.0 (4) |
C10—C11—C12—C13 | −1.4 (6) | C17—N3—Ni1—N1 | −71.8 (4) |
C11—C12—C13—N2 | −177.8 (3) | C15—N3—Ni1—N2 | −5.8 (4) |
C11—C12—C13—C8 | 1.6 (5) | C17—N3—Ni1—N2 | −177.5 (2) |
C9—C8—C13—C12 | −0.9 (5) | C15—N3—Ni1—N4 | −175.4 (4) |
S3—C8—C13—C12 | −179.8 (3) | C17—N3—Ni1—N4 | 12.9 (2) |
C9—C8—C13—N2 | 178.5 (3) | C15—N3—Ni1—S4 | −75.3 (3) |
S3—C8—C13—N2 | −0.4 (4) | C17—N3—Ni1—S4 | 113.0 (2) |
S5—C16—C17—N3 | 0.5 (4) | C15—N3—Ni1—S2 | 95.2 (3) |
S5—C16—C17—C18 | −176.9 (3) | C17—N3—Ni1—S2 | −76.6 (2) |
C16—C17—C18—N4 | 171.8 (4) | C7—N1—Ni1—N3 | −8.9 (4) |
N3—C17—C18—N4 | −5.7 (5) | C1—N1—Ni1—N3 | −170.9 (4) |
C16—C17—C18—C19 | −11.0 (6) | C7—N1—Ni1—N2 | 99.2 (2) |
N3—C17—C18—C19 | 171.5 (3) | C1—N1—Ni1—N2 | −62.8 (4) |
N4—C18—C19—O2 | 41.7 (6) | C7—N1—Ni1—N4 | −89.2 (2) |
C17—C18—C19—O2 | −135.2 (4) | C1—N1—Ni1—N4 | 108.7 (4) |
N4—C18—C19—O3 | −141.9 (4) | C7—N1—Ni1—S4 | 166.38 (19) |
C17—C18—C19—O3 | 41.1 (5) | C1—N1—Ni1—S4 | 4.3 (4) |
S2—C7—N1—C1 | 175.8 (2) | C7—N1—Ni1—S2 | −3.72 (18) |
S1—C7—N1—C1 | −1.9 (4) | C1—N1—Ni1—S2 | −165.8 (4) |
S2—C7—N1—Ni1 | 5.9 (3) | C14—N2—Ni1—N3 | −104.5 (2) |
S1—C7—N1—Ni1 | −171.79 (17) | C13—N2—Ni1—N3 | 99.9 (4) |
C2—C1—N1—C7 | −177.5 (3) | C14—N2—Ni1—N1 | 94.0 (2) |
C6—C1—N1—C7 | 2.3 (4) | C13—N2—Ni1—N1 | −61.6 (4) |
C2—C1—N1—Ni1 | −16.7 (6) | C14—N2—Ni1—N4 | −36.0 (6) |
C6—C1—N1—Ni1 | 163.1 (3) | C13—N2—Ni1—N4 | 168.4 (5) |
S4—C14—N2—C13 | 178.3 (2) | C14—N2—Ni1—S4 | −7.52 (18) |
S3—C14—N2—C13 | 0.1 (4) | C13—N2—Ni1—S4 | −163.1 (4) |
S4—C14—N2—Ni1 | 11.9 (3) | C14—N2—Ni1—S2 | 160.08 (19) |
S3—C14—N2—Ni1 | −166.23 (18) | C13—N2—Ni1—S2 | 4.5 (4) |
C12—C13—N2—C14 | 179.5 (3) | C18—N4—Ni1—N3 | −16.6 (3) |
C8—C13—N2—C14 | 0.1 (4) | O1—N4—Ni1—N3 | 179.9 (3) |
C12—C13—N2—Ni1 | −26.7 (6) | C18—N4—Ni1—N1 | 144.0 (3) |
C8—C13—N2—Ni1 | 153.9 (3) | O1—N4—Ni1—N1 | −19.6 (3) |
N5—C15—N3—C17 | 177.6 (4) | C18—N4—Ni1—N2 | −87.2 (6) |
S5—C15—N3—C17 | −0.2 (4) | O1—N4—Ni1—N2 | 109.2 (6) |
N5—C15—N3—Ni1 | 5.6 (6) | C18—N4—Ni1—S4 | −114.2 (3) |
S5—C15—N3—Ni1 | −172.25 (18) | O1—N4—Ni1—S4 | 82.2 (3) |
C16—C17—N3—C15 | −0.2 (5) | C18—N4—Ni1—S2 | 76.9 (3) |
C18—C17—N3—C15 | 177.6 (3) | O1—N4—Ni1—S2 | −86.6 (3) |
C16—C17—N3—Ni1 | 173.4 (3) | C14—S4—Ni1—N3 | 102.97 (14) |
C18—C17—N3—Ni1 | −8.8 (4) | C14—S4—Ni1—N1 | −75.46 (14) |
C17—C18—N4—O1 | −177.3 (3) | C14—S4—Ni1—N2 | 6.05 (15) |
C19—C18—N4—O1 | 5.6 (5) | C14—S4—Ni1—N4 | −179.22 (15) |
C17—C18—N4—Ni1 | 16.7 (4) | C14—S4—Ni1—S2 | −41.67 (19) |
C19—C18—N4—Ni1 | −160.4 (3) | C7—S2—Ni1—N3 | −178.75 (14) |
C18—N4—O1—C21 | 159.1 (3) | C7—S2—Ni1—N1 | 2.95 (14) |
Ni1—N4—O1—C21 | −37.2 (4) | C7—S2—Ni1—N2 | −77.83 (14) |
O2—C19—O3—C20 | 0.5 (6) | C7—S2—Ni1—N4 | 105.16 (14) |
C18—C19—O3—C20 | −175.8 (4) | C7—S2—Ni1—S4 | −33.55 (19) |
C5—C6—S1—C7 | 177.4 (4) |
Cg1 and Cg2 are the centroids of the C1–C6 and C8–C13 benzene rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
N5—H5A···N2 | 0.85 (2) | 2.25 (3) | 3.036 (5) | 154 (4) |
N5—H5B···O2i | 0.86 (2) | 2.24 (3) | 3.025 (5) | 150 (4) |
N5—H5B···O1i | 0.86 (2) | 2.38 (3) | 3.036 (4) | 133 (3) |
C16—H16···O3 | 0.93 | 2.40 | 2.898 (4) | 114 |
C21—H21B···N1 | 0.96 | 2.41 | 3.282 (5) | 151 |
C4—H4···Cg2ii | 0.93 | 2.93 | 3.588 (6) | 129 |
C9—H9···Cg1i | 0.93 | 2.99 | 3.636 (4) | 128 |
C21—H21A···Cg2iii | 0.96 | 2.76 | 3.556 (4) | 141 |
Symmetry codes: (i) x, −y+1/2, z−1/2; (ii) −x, −y, −z+2; (iii) x, −y+1/2, z+1/2. |
Experimental details
Crystal data | |
Chemical formula | [Ni(C7H4NS2)2(C7H9N3O3S)] |
Mr | 606.41 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 296 |
a, b, c (Å) | 17.8387 (11), 7.8701 (5), 17.9861 (10) |
β (°) | 98.639 (2) |
V (Å3) | 2496.5 (3) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 1.23 |
Crystal size (mm) | 0.42 × 0.37 × 0.34 |
Data collection | |
Diffractometer | Bruker APEXII CCD area-detector |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 26981, 6164, 3512 |
Rint | 0.056 |
(sin θ/λ)max (Å−1) | 0.667 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.043, 0.131, 1.03 |
No. of reflections | 6164 |
No. of parameters | 324 |
No. of restraints | 2 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.39, −0.32 |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 1997), WinGX (Farrugia, 1999).
N1—Ni1 | 2.103 (3) | N4—Ni1 | 2.153 (3) |
N2—Ni1 | 2.108 (2) | S2—Ni1 | 2.5410 (11) |
N3—Ni1 | 2.042 (3) | S4—Ni1 | 2.5123 (10) |
Cg1 and Cg2 are the centroids of the C1–C6 and C8–C13 benzene rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
N5—H5A···N2 | 0.848 (19) | 2.25 (3) | 3.036 (5) | 154 (4) |
N5—H5B···O2i | 0.863 (19) | 2.24 (3) | 3.025 (5) | 150 (4) |
N5—H5B···O1i | 0.863 (19) | 2.38 (3) | 3.036 (4) | 133 (3) |
C16—H16···O3 | 0.93 | 2.40 | 2.898 (4) | 113.6 |
C21—H21B···N1 | 0.96 | 2.41 | 3.282 (5) | 150.7 |
C4—H4···Cg2ii | 0.93 | 2.93 | 3.588 (6) | 129 |
C9—H9···Cg1i | 0.93 | 2.99 | 3.636 (4) | 128 |
C21—H21A···Cg2iii | 0.96 | 2.76 | 3.556 (4) | 141 |
Symmetry codes: (i) x, −y+1/2, z−1/2; (ii) −x, −y, −z+2; (iii) x, −y+1/2, z+1/2. |
Acknowledgements
IUK thanks the Higher Education Commission of Pakistan for financial support under the project `Strengthening of the Materials Chemistry Laboratory' at GCUL.
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
This work was performed to explore the ligand properties of (2Z)-Methyl 2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)ethanoate (Sharif et al., 2009), one of the precursors of S-1,3-Benzothiazol-2-yl(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2- (methoxyimino)-ethanethioate (MAEM). A study of the ligand behaviour of a second MAEM component 2-mercapto-benzothiazole has also been reported (Tashpulatov et al., 1957). We report here the structure of the title compound, (I), in which hydrogen bonds and C—H···π interactions lead to a one-dimensional supramolecular network.
The molecular structure of (I) and atom-labelling scheme are shown in Fig. 1. The NiII ion is coordinated by two S atoms (S2 and S4) and four N atoms (N1, N2, N3 and N4). The geometry around the NiIIion is that of a slightly distorted octahedron. The title compound (I) has got two chelate ring types. In the first of these, atoms N3 and N4 are bonded to Ni1, thus generating five-membered chelate ring (C17/N3/Ni1/N4/C18). The other type, atoms N1, N2, S2 and S4 are bonded to Ni1 to form four-membered chelate rings (N1/Ni1/S2/C7) and (N2/Ni1/S4/C14). The two Ni—S distances are 2.5123 (10) and 2.5410 (11) Å. The Ni—Nthiazol distance of 2.042 (3)Å in (I) is almost equal to that in [Ni(NCS)(C6H6N4S2)(CH4O)]Cl (Liu and Xu, 2004). The Ni—Nbenzothiazol distances in (I) are longer than the equivalent Pd—N bond distance (Song et al., 2005), Co—N bond distances (Batı et al., 2006) and Cu—N bond distance (Sieroń, 2007). The N1—C7 and N2—C14 bond lengths are indicative of significant double-bond character. These values are comparable with those found for similar compounds (Batı et al., 2006; Sieroń, 2007). The N4═C18 and C19═O2 bond lengths are 1.281 (4) and 1.194 (4) Å, respectively, and agree with the corresponding distances in S-1,3-Benzothiazol-2-yl-(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)- ethanethioate [1.281 (3) and 1.190 (3) Å, respectively; Sharif et al., 2009]. The C15—N3 bond is somewhat shorter than the C17—N3 bond, as a result of pronounced delocalization in the -N—C═N- fragment of the 2-aminothiazole ring. Each benzothiazole ligand is planar; the angles between the mean planes through the five-and six-membered rings of each ligand being 2.18 (14)° and 1.37 (20)°.
The molecules of (I) are linked by intermolecular hydrogen bonding, and we employ graph-set notation (Bernstein et al., 1995) to describe the patterns of hydrogen bonding. Molecules of (I) are linked into sheets by a combination of N—H···O hydrogen bonds (Table 2). Within the selected asymmetric unit, intramolecular N—H···N, C—H···N and C—H···O hydrogen bonds define S(6) motifs (Fig. 1). Amino atom N5 in the reference molecule at (x, y, z) acts as hydrogen-bond donor, via atom H5B, to atom O1 in the molecule at (x, 1/2-y, z-1/2), so forming a C(7) chain running parallel to the [00-1] direction. Similarly, amino atom N5 in the reference molecule at (x, y, z) acts as hydrogen-bond donor, via atom H5B, to atom O2 in the molecule at (x, 1/2-y, z-1/2), so forming a C(8) chain running parallel to the [00-1] direction. The combination of C(7) and C(8) chains generates a chain of edge-fused R12(6) rings running parallel to the [001] direction (Fig. 2).
Compound (I) also contains three intermolecular C—H···π interactions. In the first, atom C21 in the molecule at (x, y, z) acts as hydrogen-bond donor to the C8—C13 benzene ring in the molecule at (x, 1/2-y, 1/2+z), so forming a C(8) chain running parallel to the [001] direction. The combination of N—H···O hydrogen bonds and C—H···π interactions produce R22(11) rings (Fig. 2). In the second, atom C4 in the molecule at (x, y, z) acts as hydrogen-bond donor to the C8—C13 benzene ring in the molecule at (-x, -y, 2-z), so forming a centrosymmetric R22(20) rings centred at (0, 0, n+1) (n = zero or integer) (Fig. 3). Finally, atom C9 in the molecule at (x, y, z) acts as hydrogen-bond donor to the C1—C6 benzene ring in the molecule at (x, 1/2-y, z-1/2), so forming a C(9) chain running parallel to the [00-1] direction. Details of these interactions are given in Table 2. The combination of C—H···π interactions generates a chain of edge-fused R22(20) and R66(30) rings running parallel to the [001] direction (Fig. 3).