Home Crystal structure of chlorido-dimethyl-(phenylpiperazine-1-carbodithioato-κ2S,S′)tin(IV), C13H19ClN2S2Sn
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Crystal structure of chlorido-dimethyl-(phenylpiperazine-1-carbodithioato-κ2S,S′)tin(IV), C13H19ClN2S2Sn

  • Kong Mun Lo , See Mun Lee and Edward R.T. Tiekink ORCID logo EMAIL logo
Published/Copyright: September 9, 2019

Abstract

C13H19ClN2S2Sn, triclinic, P1̄ (no. 2), a = 6.5837(2) Å, b = 9.9458(2) Å, c = 12.8720(3) Å, α = 85.344(2)°, β = 79.508(2)°, γ = 83.832(2)°, V = 822.33(4) Å3, Z = 2, Rgt(F) = 0.0176, wRref(F2) = 0.0461, T = 100 K.

CCDC no.: 1946283

The molecular structure is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal:Colourless prism
Size:0.13 × 0.04 × 0.03 mm
Wavelength:Cu Kα radiation (1.54178 Å)
μ:16.1 mm−1
Diffractometer, scan mode:XtaLAB Synergy, ω
θmax, completeness:67.1°, >99%
N(hkl)measured, N(hkl)unique, Rint:19541, 2930, 0.036
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 2870
N(param)refined:174
Programs:CrysAlisPRO [1], SHELX [2], [3], WinGX/ORTEP [4]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

AtomxyzUiso*/Ueq
Sn0.48439(2)0.81316(2)0.39082(2)0.01348(6)
S10.30756(7)0.60263(5)0.42166(4)0.01538(11)
S20.58283(7)0.65990(5)0.21741(4)0.01759(11)
Cl10.34240(8)0.85991(5)0.57712(4)0.02212(12)
N10.3630(3)0.44530(17)0.25898(14)0.0163(4)
N20.1508(2)0.27759(17)0.15351(14)0.0148(3)
C10.3015(3)0.9652(2)0.31460(18)0.0197(4)
H1A0.39011.03310.27680.030*
H1B0.19411.00880.36760.030*
H1C0.23590.92400.26410.030*
C20.8031(3)0.7907(2)0.40266(18)0.0222(5)
H2A0.88520.82100.33510.033*
H2B0.84600.69520.41960.033*
H2C0.82560.84540.45880.033*
C30.4135(3)0.5569(2)0.29355(17)0.0149(4)
C40.2111(3)0.3575(2)0.32026(17)0.0194(4)
H4A0.14150.40070.38570.023*
H4B0.28320.26950.34080.023*
C50.0505(3)0.3345(2)0.25377(17)0.0181(4)
H5A−0.04690.27170.29370.022*
H5B−0.03020.42170.23910.022*
C60.2938(3)0.3696(2)0.09272(17)0.0167(4)
H6A0.21640.45720.07600.020*
H6B0.36060.33030.02520.020*
C70.4592(3)0.3926(2)0.15655(18)0.0196(4)
H7A0.54390.30610.16820.023*
H7B0.55230.45790.11640.023*
C80.0112(3)0.2269(2)0.09669(17)0.0153(4)
C9−0.1010(3)0.1189(2)0.14391(17)0.0174(4)
H9−0.08520.08270.21290.021*
C10−0.2348(3)0.0646(2)0.09047(19)0.0212(5)
H10−0.3096−0.00870.12310.025*
C11−0.2603(3)0.1165(2)−0.01024(18)0.0225(5)
H11−0.35280.0794−0.04640.027*
C12−0.1495(3)0.2228(2)−0.05748(18)0.0216(5)
H12−0.16600.2586−0.12650.026*
C13−0.0139(3)0.2779(2)−0.00447(17)0.0180(4)
H130.06170.3506−0.03770.022*

Source of material

All chemicals and solvents were used as purchased without purification. The melting point was determined using a Mel-temp II digital melting point apparatus and was uncorrected. The solid-state IR spectrum was obtained on a Bruker Vertex 70v FTIR Spectrometer from 4000 to 400 cm−1. The 1H and 13C{1H} NMR spectra were recorded at room temperature in CDCl3 solution on a Bruker Ascend 400 MHz NMR spectrometer with chemical shifts relative to tetramethylsilane.

The dithiocarbamate ligand was prepared in situ (methanol) from the reaction of CS2 (Merck 0.25 mmol) with 1-phenylpiperazine (Merck, 0.25 mmol) and NaOH (0.02 mL; 50% w/v); CS2 was added dropwise into the methanolic solution (10 mL). The resulting mixture solution was kept at 273 K for 0.5 h. Dimethyltin dichloride (Merck, 0.25 mmol, 0.05 g) in methanol (10 mL) was added to the prepared sodium 1-phenylpiperazinedithiocarbamate. The resulting mixture was stirred under reflux for 2 h. The filtrate was evaporated slowly until a white precipitate was formed. The precipitate was recrystallized from methanol by slow evaporation to yield colourless crystals.

Yield: 0.052 g (49.3%). M.pt: 479–480 K. IR (cm−1) 1598 (m) ν(CN), 1216 (m) ν(CS), 1012 (s) ν(CN), 558 (m) ν(SnS). 1H NMR (CDCl3, ppm): 1.39 (6H, Sn—CH3), 3.21–3.25 (m, 4H, N—CH2), 4.17–4.22 (m, 4H, N—CH2), 6.83–7.23 (m, 5H, Ph—H). 13C NMR (CDCl3, ppm): 15.6 (Sn—CH3), 48.9, 50.9 (piperazine-C), 118.1, 125.5, 130.8, 150.4 (Ph—C), 199.9 (CS2).

Experimental details

The C-bound H atoms were geometrically placed (C—H = 0.95–0.99 Å) and refined as riding with Uiso(H) = 1.2–1.5Ueq(C).

Comment

Recently, the structure of the dithiocarbamate ligand featured in the title compound, Me2Sn[S2CN(CH2CH2)2NPh]Cl, became available in its salt with the 4-phenylpiperazin-1-ium cation [5]. Organotin dithiocarbamate compounds are well-known as potential pharmaceuticals and as having applications as synthetic precursors for the chemical vapour deposition of tin sulphide nanomaterials [6]. It was biological considerations [7] that led to the formation and crystallographic analysis of the title compound.

The molecular structure of Me2Sn[S2CN(CH2CH2)2NPh]Cl is shown in the figure (70% displacement ellipsoids) and comprises a penta-coordinate tin atom. The dithiocarbamate ligand is asymmetrically chelating the tin centre, forming Sn—S1, S2 bond lengths of 2.4734(5) and 2.7458(5) Å, respectively. The longer Sn—S2 bond is partly due to the approximately trans disposition of the S2 atom to the chloride, i.e. S2—Sn—Cl1 = 155.971(16)°. The difference in the Sn—S separations, i.e. Δ(Sn—S) = [(Sn—Slong) – (Sn—Sshort)] = 0.27 Å, results in a disparity in the associated C—S bond lengths. Thus, the C3—S1 bond length [1.746(2) Å] associated with the more tightly bound sulphur atom is longer than the equivalent bond [1.714(2) Å] involving the less tightly bound S2 atom. This contrasts the situation in the structure of the salt of the dithiocarbamate anion [5] whereby the C1—S1, S2 bond lengths of 1.7192(14) and 1.7249(14) Å, respectively, are experimentally equivalent. The Sn—Cl1 bond length is 2.4722(5) Å. A quantitative measure of a five-coordinate geometry is τ, which ranges from 0.0 to 1.0 for ideal square-pyramidal and trigonal-bipyramidal coordination geometries, respectively [8]. The value of τ computes to 0.40 in the title compound, indicating a highly distorted geometry. The distortion is ascribed in part to the acute chelate S1—Sn—S2 angle of 68.887(16)° as well as the wide angle subtended by the tin-bound methyl groups, with C1—Sn—C2 = 132.18(9)°. In summary, the structure of Me2Sn[S2CN(CH2CH2)2NPh]Cl conforms to the expected motif for compounds of this type [6], [9], [10].

There are several non-covalent interactions less than the sum of the respective van der Waals radii in the molecular packing. Thus, methylene-C—H⋯Cl interactions lead to the formation of centrosymmetric dimeric aggregates [C5—H5a⋯Cl1i: H5a⋯Cl1i = 2.70 Å, C5⋯Cl1i = 3.676(2) Å with angle at H5a = 170° for symmetry operation (i) −x, 1 − y, 1 − z]. These aggregates are connected into a supramolecular layer with a flat topology and parallel to (0 1 −1). The layer is sustained by C—H⋯π(phenyl) and π—π stacking interactions involving the same phenyl ring [C7—H7a⋯Cg(C8—C13)ii: H7a⋯Cg(C8—C13)ii = 2.76 Å, C7⋯Cg(C8—C13)ii = 3.500(2) Å with angle at H7a = 132° and Cg(C8—C13)⋯Cg(C8—C13)iii = 3.7795(12) Å for (ii) 1 + x, y, z and (iii) −x, −y, −z]. Weak phenyl-C—H⋯S(thione) interactions [C13—H13⋯S2iv: H13⋯S2iv = 2.98 Å, C13⋯S2iv = 2.9774(19) Å with angle at H13 = 128° for (iv) 1 − x, 1 − y, −z] feature in the inter-layer region.

In order to analyse the molecular further, the Hirshfeld surfaces were calculated along with the full and delineated two-dimensional fingerprint plots using Crystal Explorer [11] and established protocols [12]. The aforementioned phenyl-C—H⋯S(thione) interaction is the only one less than the sum of the van der Waals radii of sulphur and hydrogen in the crystal, with other H⋯S contacts occurring at longer distances. Overall, S⋯H/H⋯S contacts contribute 13.3% of all contacts on the calculated Hirshfeld. Other significant surface contacts are of the type Cl⋯H/H⋯Cl (13.2%) and C⋯H/H⋯C (11.1%). However, none of these compare in significance to H⋯H contacts, with these making the greatest percentage contribution of 56.4% of all contacts.

Funding source: Sunway University Sdn Bhd

Award Identifier / Grant number: STR-RCTR-RCCM-001–2019

Funding statement: Sunway University Sdn Bhd is thanked for financial support of this work through Grant No. STR-RCTR-RCCM-001–2019.

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Received: 2019-07-17
Accepted: 2019-08-09
Published Online: 2019-09-09
Published in Print: 2019-11-26

©2019 Kong Mun Lo et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 Public License.

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  58. Crystal structure of (1,4,8,11-tetraazacyclotetradecane)palladium(II) tetracyanoplatinate(II), C14H24N8PdPt
  59. Crystal structure of (pyridine-2-carboxylato-κ2N,O)-[2-(2-pyridyl)phenyl-κ2N,C1]palladium(II), C17H12N2O2Pd
  60. Crystal structure of (cyclohexane-1,4-diammonium) 4-[(4-carboxylatophenyl)disulfanyl]benzoate dimethylsulphoxide hydrate (1/1/1/1), [C6H16N2]2+[C14H8O4S2]2−⋅C2H6OS⋅H2O
  61. Crystal structure of the 2:1 co-crystal 2-[(2-carboxyphenyl)disulfanyl]benzoic acid – 3-bromobenzoic acid, 2(C14H10O4S2)⋅C7H5BrO2
  62. Crystal structure of chlorido-dimethyl-(phenylpiperazine-1-carbodithioato-κ2S,S′)tin(IV), C13H19ClN2S2Sn
  63. Crystal structure of (N-n-butyl, N-methyl-dithiocarbamato-κ2 S,S′)-chlorido-dimethyl-tin(IV), C8H18ClNS2Sn
  64. Crystal structure of (2,2′-bipyridyl)bis(4-bromobenzyl)dibromidotin(IV), C24H20Br4N2Sn
  65. Crystal structure of (2,2′-bipyridyl)bis(4-chlorobenzyl)dichloridotin(IV), C24H20Cl4N2Sn
  66. Crystal structure of N-methyl-N-phenyl(methylsulfanyl)carbothioamide, C9H11NS2
  67. Crystal structure of 4-phenylpiperazin-1-ium (4-phenylpiperazin-1-yl)carbothioylsulfanide, [C10H15N2][C11H13N2S2]
  68. Crystal structure of catena-{di-aqua-sodium [n-butyl(methyl)carbamothioyl]sulfanide}n, [C6H16NNaO2S2]n
  69. Crystal structure of (2-([1,1-bis(hydroxymethyl)-2-oxyethyl]iminomethyl)-5-(n-decyl)phenolato)-dimethyl-tin(IV), C23H39NO5Sn
  70. Crystal structure of 4-chloro-N′-[(1E)-(3-ethoxy-2-hydroxyphenyl)methylidene]benzohydrazide – a Z′ = 3 structure, C16H15ClN2O3
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