Home Physical Sciences Crystal structure of chlorido-[(N,N-di-isobutyl)dithiocarbamato-κ2S,S′]-di(4-methylbenzyl-κC)tin(IV), C25H36ClNS2Sn
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Crystal structure of chlorido-[(N,N-di-isobutyl)dithiocarbamato-κ2S,S′]-di(4-methylbenzyl-κC)tin(IV), C25H36ClNS2Sn

  • Kong Mun Lo , See Mun Lee and Edward R.T. Tiekink ORCID logo EMAIL logo
Published/Copyright: July 30, 2020

Abstract

C25H36ClNS2Sn, monoclinic, P21/n (no. 14), a = 12.7694(1) Å, b = 9.7283(1) Å, c = 21.5640(2) Å, β = 97.978(1)°, V = 2652.85(4) Å3, Z = 4, Rgt(F) = 0.0167, wRref(F2) = 0.0444, T = 100(2) K.

CCDC no.: 2017015

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:0.20 × 0.10 × 0.05 mm
Wavelength:Cu Kα radiation (1.54184 Å)
μ:10.1 mm−1
Diffractometer, scan mode:XtaLAB Synergy, ω
θmax, completeness:67.1°, >99%
N(hkl)measured, N(hkl)unique, Rint:32576, 4742, 0.027
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 4689
N(param)refined:277
Programs:CrysAlisPRO[1], SHELX [2], [3], WinGX/ORTEP [4]
Table 2:

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

AtomxyzUiso*/Ueq
Sn0.32072(2)0.62021(2)0.26717(2)0.01420(5)
Cl10.14992(3)0.50107(3)0.22970(2)0.01823(8)
S10.39366(3)0.38789(3)0.28874(2)0.01771(8)
S20.53179(3)0.63007(4)0.31355(2)0.02076(9)
N10.59931(11)0.36894(13)0.33100(6)0.0180(3)
C10.51945(12)0.45457(16)0.31359(7)0.0168(3)
C20.58566(12)0.21860(16)0.33484(7)0.0200(3)
H2A0.6429440.1724780.3161730.024*
H2B0.5175440.1923830.3099510.024*
C30.58728(13)0.16795(18)0.40224(8)0.0238(3)
H30.6515660.2060440.4283520.029*
C40.49016(14)0.21583(19)0.42979(8)0.0304(4)
H4A0.4264480.1779880.4051080.046*
H4B0.4868090.3164600.4288350.046*
H4C0.4946220.1838930.4731790.046*
C50.59518(17)0.01082(19)0.40287(9)0.0365(4)
H5A0.596382−0.0227520.4458110.055*
H5B0.660253−0.0172780.3870400.055*
H5C0.533975−0.0280170.3761630.055*
C60.70847(12)0.41990(18)0.34769(8)0.0226(3)
H6A0.7360680.3880020.3904390.027*
H6B0.7073290.5216370.3483230.027*
C70.78356(15)0.37217(19)0.30254(10)0.0347(4)
H70.7969420.2716480.3093170.042*
C80.73919(18)0.3940(3)0.23494(10)0.0457(5)
H8A0.6736530.3411550.2250070.069*
H8B0.7907110.3630860.2082210.069*
H8C0.7242820.4918760.2275440.069*
C90.88855(15)0.4488(3)0.32016(12)0.0473(5)
H9A0.9392010.4189700.2926710.071*
H9B0.9169380.4284990.3637710.071*
H9C0.8765480.5479830.3152740.071*
C100.27071(12)0.71387(16)0.34898(7)0.0187(3)
H10A0.3219310.7861060.3651730.022*
H10B0.2009380.7580580.3372360.022*
C110.26303(13)0.61003(15)0.39907(7)0.0172(3)
C120.34667(13)0.58788(18)0.44667(8)0.0229(3)
H120.4094020.6408350.4477230.027*
C130.33993(13)0.48944(18)0.49275(8)0.0249(3)
H130.3978390.4773540.5250410.030*
C140.25032(14)0.40850(17)0.49252(7)0.0230(3)
C150.16671(14)0.43159(18)0.44506(7)0.0244(3)
H150.1040590.3784360.4439100.029*
C160.17279(13)0.53050(17)0.39939(7)0.0214(3)
H160.1141330.5441150.3677390.026*
C170.24328(17)0.29975(18)0.54150(8)0.0332(4)
H17A0.3122970.2894770.5673090.050*
H17B0.2225150.2121010.5209810.050*
H17C0.1904410.3269050.5680580.050*
C180.34809(13)0.69845(16)0.17719(7)0.0196(3)
H18A0.2842360.7482960.1578010.023*
H18B0.4073100.7649480.1833540.023*
C190.37367(13)0.58752(16)0.13351(7)0.0184(3)
C200.29712(13)0.53714(17)0.08733(8)0.0242(3)
H200.2272970.5728710.0837180.029*
C210.32042(15)0.43543(19)0.04619(8)0.0280(4)
H210.2662350.4031950.0149050.034*
C220.42062(16)0.38016(17)0.04978(9)0.0290(4)
C230.49736(15)0.4293(2)0.09643(9)0.0358(4)
H230.5667930.3922090.1003510.043*
C240.47469(14)0.5314(2)0.13747(8)0.0290(4)
H240.5289240.5636120.1687330.035*
C250.4450(2)0.2712(2)0.00409(10)0.0444(5)
H25A0.3787690.235172−0.0184750.067*
H25B0.4846110.1962590.0269240.067*
H25C0.4874420.311317−0.0258570.067*

Source of material

Di(4-methylbenzyl)tin dichloride was synthesised by the direct reaction of 4-methylbenzyl chloride (Merck) and metallic tin powder (Merck) in toluene according to a literature procedure [5]. The dithiocarbamate ligand was prepared in situ from the reaction of CS2 (Merck 0.25 mmol) with diisobutylamine (Merck, 0.25 mmol) and KOH (0.03 mL; 50% w/v) in methanol solution (15 mL); CS2 was added dropwise. The resulting mixture was kept at 273 K for 0.5 h. Di(4-methylbenzyl)tin dichloride (0.25 mmol, 0.10 g) in methanol (10 mL) was added to the prepared potassium diisobutyl dithiocarbamate. The resulting mixture was stirred and refluxed for 2.5 h. The filtrate was evaporated slowly until a beige precipitate was formed. The precipitate was recrystallised from acetone-methanol by slow evaporation to yield colourless crystals. Yield: 0.070 g (49.2%). M.pt (Stuart SMP30 digital melting point apparatus; uncorrected): 379–381 K. IR (Bruker Vertex 70v FTIR Spectrometer; cm−1): 1465 (s) ν(C—N), 1250 (m) ν(C—N), 1088 (m) ν(C—S), 599 (m) ν(Sn—S). 1H NMR (Bruker Ascend 400 MHz NMR spectrometer; CDCl3; ppm relative to Me4Si): δ 0.89–1.02 (m, 18H, CH3), 2.15–2.23 (m, 4H, -CH2), 2.30–2.43 (m, 2H, CH), 3.17–3.25 (4H, NCH2), 7.00–7.22 (8H, Ph—H). 13C{1H} NMR (as for 1H NMR): 20.2 (CH3), 21.0 (CH3), 27.1 (CH), 35.7 (CH2), 63.8 (NCH2), 127.9, 128.8, 130.3, 136.1 (Ph—C), 197.4 (CS).

Experimental details

The C-bound H atoms were geometrically placed (C—H = 0.95–1.00 Å) and refined as riding with Uiso(H) = 1.2–1.5Ueq(C).

Comment

Molecules/complexes of the general formula R2Sn(S2CNR′R′′)Cl have been well-studied, by both crystallographic methods [6] and by computational chemistry [7], [8]. By contrast to many other organotin systems, these are robust molecules in that only one structural motif is consistently observed [6], namely one based on a distorted trigonal-bipyramid geometry owing to an asymmetric mode of coordination of the dithiocarbamate ligand. Very recent structural studies [9], [10] confirm this and it was in the context of these investigations, that the title compound, (4-MeC6H4CH2)2Sn[S2CN(i-Bu)2]Cl, (I), was isolated and characterised crystallographically: the results of this study are reported herein.

The molecular structure of (I) is shown in the figure (70% displacement ellipsoids) and features a distorted trigonal bipyramidal geometry whereby the Sn atom is within a C2ClS2 donor set. The Sn atom is asymmetrically coordinated by the dithiocarbamate ligand [Sn—S1 = 2.4641(4) Å and Sn—S2 = 2.7434(4) Å], the chloride [Sn—Cl1 = 2.5027(4) Å] and two methylene-C atoms [Sn—C10 = 2.1594(14) Å and Sn—C18 = 2.1574(15) Å]. The coordination geometry is highly distorted with the value of τ = 0.35, compared with values of 0.0 and 1.0 for ideal square-pyramidal and trigonal-bipyramidal coordination geometries, respectively [11], indicative of a geometry tending towards square-pyramidal. The widest angles subtended at the Sn atom are Cl1—Sn—S2 = 154.415(11)° and C10—Sn—C18 = 133.56(6)°, and the narrowest, S1—Sn—S2 = 68.697(11)°, corresponds to the chelate angle. The parameters within the dithocarbamate ligand follow the expected trends in that the longer C—S bond length [C1—S1 = 1.7462(15) Å] is associated with the shortest Sn—S1 bond, and the shorter C—S bond [C1—S2 = 1.7145(15) Å] is associated with the longer Sn—S2 bond. The relatively short C—N bond [C1—N1 = 1.330(2) Å] is consistent with a relatively significant contribution of the dithiolate canonical form, i.e. [2−S2C=N+(i-Bu)2], to the overall electronic structure of the dithiocarbamate ligand. Globally, the benzyl residues are folded to lie over the SnS2C chelate ring. In all respects, the structure of (I) conforms to the structural motif adopted universally by R2Sn(S2CNR′R′′)Cl molecules [6].

The molecular packing of (I) is largely devoid of specific points of contacts between atoms and residues. The presence of methyl-C—H⋯π(phenyl) contacts [C25—H25c⋯Cg(C19–C24)i = 2.96 Å with angle at H25c = 161° for symmetry operation (i) 1 − x, 1 − y, −z] link molecules into centrosymmetric dimers. The only other close contacts less than the sum of the van der Waals radii are methyl-H⋯H(phenyl) [H4a⋯H20ii = 2.26 Å for (ii) 1/2 − x, −1/2 + y, 1/2 − z]. The result of the above interactions is the assembly of molecules in a plane parallel to (1 0 1). These layers pack without directional interactions between them.

The analysis of the Hirshfeld surfaces and two-dimensional fingerprint plots (overall and decomposed) calculated for (I), using Crystal Explorer 17 [12] following standard protocols [13], confirm the lack of directional interactions in the crystal of (I). The H⋯H contacts contribute 70.9% of all contacts and the two-dimensional fingerprint plot shows a characteristic feature at di + de ∼ 2.2 Å corresponding to the H4a⋯H20 interaction, mentioned above. Other significant contacts to the surface also involve H atoms: C⋯H/H⋯C [13.1%], Cl⋯H/H⋯Cl [8.3%] and S⋯H/H⋯S [7.0%].

Acknowledgements

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

References

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Received: 2020-07-06
Accepted: 2020-07-17
Published Online: 2020-07-30
Published in Print: 2020-10-27

©2020 Kong Mun Lo et al., published by De Gruyter, Berlin/Boston

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

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  49. Crystal structure of 4-[(4-methoxy-2-nitrophenyl)carbamoyl]butanoic acid, C12H14N2O6
  50. Crystal structure of 3-ethyl-1-[(E)-[(2E)-3-phenylprop-2-en-1-ylidene]amino]thiourea, C12H15N3S
  51. Crystal structure of 4,4′-bipyridin-1,1′-dium poly[bis(μ4-benzene-1,3,5-triyltris(hydrogen phosphonato-κ4O:O′:O′′:O′′′))zinc(II)], C11H11NO9P3Zn
  52. Crystal structure of (μ2-1,1′-bis(diphenylphosphino)butane-κ2P,P′)-bis[(Z)-N-(3-fluorophenyl)-O-methylthiocarbamato-κS]-di-gold(I), C44H42Au2F2N2O2P2S2
  53. Crystal structure of (μ2-1,1′-bis(diphenylphosphino)hexane-κ2P,P′)-bis[(Z)-N-(3-fluorophenyl)-O-methylthiocarbamato-κS]digold(I), C46H46Au2F2N2O2P2S2
  54. Crystal structure of tetrakis (N-(2-hydroxyethyl)-N-isopropylcarbamodithioato-κS,S′)-(μ2(2-(pyridin-4-yl)vinyl)pyridine-κN,N′)dicadmium(II), C36H58Cd2N6O4S8
  55. Crystal structure of 4-(2-(benzo[b]thiophen-2-yl)-3,3,4,4,5,5-hexafluorocyclopent-1-en-1-yl)-1,5-dimethyl-1H-pyrrole-2-carbonitrile, C20H12F6N2S
  56. Crystal structure of bis(octahydrocyclopenta[c]pyrrolium)pentachlorobismuthate(III), (C7NH14)2BiCl5
  57. The crystal structure of diaqua-tris(nitrato-κ2O,O′)-bis(4,4,5,5-tetramethyl-2-(p-pyridyl)imidazoline-1-oxyl 3-oxide-κN)samarium(III), C24H36N9O15Sm
  58. Synthesis and crystal structure of methyl 2-(2-((tert-butoxycarbonyl)amino)phenyl)-2-(4-oxo-4H-chromen-3-yl)acetate, C23H23NO6
  59. Crystal structure of O-hexyl benzoylcarbamothioate, C14H19NO2S
  60. Crystal structure of chlorido-(O-methyl phenylcarbamothioamide-κS)-bis(triphenylphosphane-κP)silver(I), C44H39AgClNOP2S
  61. Crystal structure of chlorido-(O-ethyl phenylcarbamothioamide-κS)-bis(triphenylphosphane-κP)-silver(I), C45H41AgClNOP2S
  62. Crystal structure of 4-[(2-methoxyphenyl)carbamoyl]butanoic acid, C12H15NO4
  63. Crystal structure of ethyl 4-methyl-2-oxo-5-phenyl-1,3,4-oxadiazinane-3-carboxylate, C13H16N2O4
  64. Crystal structure of catena-poly[diaqua(μ2-2-(hydroxymethyl)-1H-imidazole-4,5-dicarboxylato)cadmium(II)], C6H8CdN2O7
  65. Crystal structure of (1S)-N-(chloromethyl)-1-((4S,6aR,8aS, 8bR,9aR)-4-methoxy-6a,8a-dimethyl-1,3,4, 5,6,6a,6b,7,8,8a,9a,10,10a,10b-tetradecahydro-8bH-naphtho[2′,1′:4,5] indeno[1,2-b]oxiren-8b-yl)-N-methylethan-1-amine, C24H46ClNO5
  66. Crystal structure of 4-[(3,5-dichlorophenyl)carbamoyl]butanoic acid, C11H11Cl2NO3
  67. Crystal structure of (2Z)-2-amino-3-[(E)-[(2,4-dihydroxyphenyl)methylidene]-amino]but-2-enedinitrile, C11H8N4O2
  68. Crystal structure of 3-methyl-1-[(E)-(4-phenylbutan-2-ylidene)amino]thiourea, C12H17N3S
  69. Crystal structure of carbonyl{hydridotris[3-phenyl-5-methylpyrazol-1-yl]borato-κ3N,N′N′′}copper(I), C31H28BCuN6O
  70. Crystal structure of ethane-1,2-diylbis(diphenylphosphine oxide) – dihydrogenperoxide (1/2), C26H28O6P2
  71. Crystal structure of 2-(pyridin-2-ylamino)pyridinium chloride dibenzyldichlorostannane, [C10H10N3]Cl, C14H14Cl2Sn
  72. Crystal structure of 4-[(3-methoxyphenyl)carbamoyl]butanoic acid, C12H15NO4
  73. Crystal structure of dichlorido-bis(tri-4-tolylphosphane oxide-κO)-di(4-chlorophenyl-κC)tin(IV), C54H50Cl4O2P2Sn
  74. Crystal structure of dichloridodimethylbis(tri-4-tolylphosphane oxide-κO)-tin(IV), C44H48Cl2O2P2Sn
  75. Crystal structure of chlorido(2-methylquinolin-8-olato-κ2N,O)-bis(4-tolyl-κC)tin(IV), C24H22ClNOSn
  76. Crystal structure of (E)-dichloro(1-chloro-3-methoxyprop-1-en-2-yl)(4-methoxyphenyl)-λ4-tellane, C11H13Cl3O2Te
  77. Crystal structure of bis{N-methyl-N′-[3-(4-methoxyphenyl)-1-methylpropane-1-ylidene]carbamohydrazonothioato}zinc(II), C26H36N6O2S2Zn
  78. Crystal structure of (2-carboxy-4-(3-carboxy-5-carboxylatophenoxy)benzoato-κ2O,O′)bis(1,10-phenantroline-κ2N,N′)cobalt(II), C40H24N4O9Co
  79. The crystal structure of (3S,8R,10R,14R)-17-((2S,5S)-5-(2-hydroxypropan-2-yl)-2-methyltetrahydrofuran-2-yl)-4,4,8,10,14-pentamethyl-12-oxohexadecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate, C32H52O5
  80. Crystal structure of (μ2-1,1′-bis(diphenylphosphino)ferrocene-κ2P,P′)-bis[(Z)N-(3-fluorophenyl)-O-methylthiocarbamato-S]digold(I) chloroform solvate, C50H42Au2F2FeN2O2P2S2, CHCl3
  81. Crystal structure of poly[bis(μ2-1,4-di(1H-imidazol-1-yl)benzene-κ2N:N′)-(μ2-tetraoxidomolybdato(VI)-κ2O:O′)cobalt(II)], C24H20N8O4MoCo
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