Home Crystal structure of O-hexyl benzoylcarbamothioate, C14H19NO2S
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Crystal structure of O-hexyl benzoylcarbamothioate, C14H19NO2S

  • Ignez Caracelli EMAIL logo , Julio Zukerman-Schpector , Ariel L. Llanes Garcia , Heiddy Márquez Alvarez and Edward R.T. Tiekink ORCID logo EMAIL logo
Published/Copyright: August 21, 2020

Abstract

C14H19NO2S, monoclinic, P21/c (no. 14), a = 8.6849(10) Å, b = 18.740(2) Å, c = 10.0465(12) Å, β = 112.845(3)°, V = 1506.9(3) Å3, Z = 4, Rgt(F) = 0.0685, wRref(F2) = 0.2023, T = 293(2) K.

CCDC no.: 2022653

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:Yellow irregular
Size:0.30 × 0.13 × 0.09 mm
Wavelength:Mo Kα radiation (0.71073 Å)
μ:0.21 mm−1
Diffractometer, scan mode:Bruker APEX-II, φ and ω
θmax, completeness:26.4°, >99%
N(hkl)measured, N(hkl)unique, Rint:44808, 3095, 0.060
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 1838
N(param)refined:167
Programs:SHELX [1], [2], Bruker [3], SIR2014 [4], WinGX/ORTEP [5]
Table 2:

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

AtomxyzUiso*/Ueq
S10.11624(17)0.38660(6)0.19203(11)0.1009(5)
O10.1362(3)0.35784(13)−0.0561(2)0.0774(7)
O20.3238(4)0.26347(13)0.3469(2)0.0834(8)
N10.2573(3)0.27733(14)0.1066(2)0.0590(7)
H1N0.270(4)0.2599(16)0.032(2)0.071*
C10.1709(4)0.34067(17)0.0810(3)0.0594(8)
C20.3222(4)0.23946(17)0.2342(3)0.0588(8)
C30.0388(6)0.4221(2)−0.1146(4)0.0886(12)
H3A0.1005000.463951−0.0656180.106*
H3B−0.0656450.420393−0.1007940.106*
C40.0056(6)0.4254(2)−0.2707(4)0.1014(15)
H4A−0.0523760.469685−0.3095020.122*
H4B0.1116890.426643−0.2817720.122*
C5−0.0945(7)0.3654(3)−0.3567(5)0.1186(17)
H5A−0.1960470.361206−0.3387420.142*
H5B−0.0316470.321535−0.3247340.142*
C6−0.1411(8)0.3740(4)−0.5196(6)0.160(3)
H6A−0.2094130.416485−0.5520250.192*
H6B−0.0396070.381486−0.5363390.192*
C7−0.2306(9)0.3141(6)−0.6063(7)0.216(4)
H7A−0.1577060.272763−0.5797560.259*
H7B−0.3257260.303690−0.5816590.259*
C8−0.2876(9)0.3228(5)−0.7542(7)0.208(4)
H8A−0.3506210.366285−0.7814580.313*
H8B−0.3576630.283218−0.8014070.313*
H8C−0.1941470.325008−0.7826230.313*
C90.3910(4)0.16785(17)0.2267(3)0.0595(8)
C100.3545(5)0.13003(18)0.0991(4)0.0693(9)
H100.2895530.1508680.0110700.083*
C110.4143(6)0.0618(2)0.1029(5)0.0908(12)
H110.3874870.0363480.0173290.109*
C120.5128(6)0.0310(3)0.2313(6)0.1048(15)
H120.553510−0.0150580.2326880.126*
C130.5514(6)0.0680(3)0.3579(5)0.1029(14)
H130.6189690.0472540.4451860.123*
C140.4906(5)0.1356(2)0.3560(4)0.0831(11)
H140.5163900.1602180.4423490.100*

Source of material

O-Hexyl benzoylcarbamothioate was prepared by reacting benzoyl chloride and potassium thiocyanate in acetone. The intermediate isothiocyanate obtained in situ was then reacted with hexan-1-ol to provide the desired thiocarbamate in 71% yield. Yellow solid. M.pt = 343–345 K, MeOH/H2O (lit. [6] M.pt = 343 K, EtOH/H2O). IR (KBr; cm−1): 3259, 3217, 3062, 2954, 2924, 2854, 1697, 1601, 1527, 1489, 1296, 1184, 710. 1H NMR (300 MHz, CDCl3, rotamers, 298 K, TMS): δ = 9.16 (br s, 1H), 7.82 (m, 2H), 7.59 (m, 1H), 7.48 (m, 2H), 4.58 (t, J = 6.6 Hz, 2H), 1.82 (m, 2H), 1.60–1.20 (m, 6H), 0.90 (t, J = 6.6 Hz, 3H). 13C{1H} NMR (75 MHz, CDCl3, rotamers, 298 K, TMS): δ = 189.3, 162.2, 132.8, 132.7, 128.7, 127.4, 73.6, 31.3, 28.0, 25.4, 22.4, 14.0. MS (EI): m/z (rel. intensity) = 265(16) [M]+, 182(41), 123(32), 121(30), 105(100), 77(48), 56(24), 51(23). HRMS calcd. for C14H19NO2S 265.11365, found 265.11493. Yellow crystals were obtained by dissolving the product in hot n-hexane and allowing the solution to slowly evaporate.

Experimental details

The C-bound H atoms were geometrically placed (C—H = 0.93–0.97 Å) and refined as riding with Uiso(H) = 1.2–1.5Ueq(C). The N-bound H atom was refined with N—H = 0.86 ± 0.01 Å, and with Uiso(H) = 1.2Ueq(N). Evidence for disorder is noted in the terminal ethyl residue but, this was not resolved.

Comment

The title compound, O-hexyl benzoylcarbamothioate, (I), is an example of a benzoylthiocarbamic acid ester, RC(=O)N(H)C(=S)OR′, and has been reported in the literature [6], [7]. Herein, the hitherto unreported crystal structure of (I) is described. While the molecules themselves attract attention with respect to the relative conformation of the thione and carbonyl groups in the central C(=O)N(H)C(=S) chromophore [8], metal complexes of these molecules are comparatively rare. In this context, the characterisation of a binuclear bis(triphenylphosphane)copper species is noted [9].

The molecular structure of (I) is shown in the figure (25% displacement ellipsoids) and exhibits key geometric parameters of C1—S1 [1.620(3) Å], C2—O2 [1.214(3) Å], C1—N1 [1.374(4) Å] and C2—N1 [1.379(4) Å], indicative of limited delocalisation of π-electron density over this residue. This is despite the observation this part of the molecule is almost planar as seen in the values of the C2—N1—C1—S1 and C1—N1—C2—O2 torsion angles of −2.4(5) and −8.0(5)°, respectively. The thione-S1 and carbonyl-O2 atoms are to a first approximation in a syn conformation. The conformation in (I) is also found in the PhC(=O)N(H)C(=S)OR′ derivatives with R′ = Me [10], Et [11] and n-Bu [12].

The most prominent feature of the molecular packing is the formation of amide-N—H⋯O(amide) [N1—H1n⋯O2i: H1n⋯O2i = 2.13(3) Å, N1⋯O2i = 2.983(3) Å with angle at H1n = 169(3)° for symmetry operation (i) x, 1/2 − y, −1/2 + z] hydrogen bonds which lead to zig-zag chains along the c-axis [glide symmetry]. As the chains pack without directional interactions between them, a further analysis of the molecular packing was conducted via the calculation of the Hirshfeld surfaces and of the full and delineated two-dimensional fingerprint plots using Crystal Explorer 17 [13] and established methods [14].

The most notable feature of the fingerprint plots is the sharp spikes due to the N—H⋯O hydrogen bonding. Overall, H⋯O/O⋯H contacts contribute 11.0% to the Hirshfeld surface. Greater contributions are made by H⋯S/S⋯H [12.7%], H⋯C/C⋯H [18.4%] and, especially, H⋯H contacts [54.6%]. In common with (I), the crystals of the R′ = Me [10], Et [11] and n-Bu [12] derivatives feature supramolecular zig-zag chains. Systematic variations in the contributions to the calculated surface contacts are noted with H⋯H decreasing with the decreasing size of the R′ group [49.8, 39.1 and 35.0%, respectively] with concomitant increasing contributions by H⋯C/C⋯H, H⋯S/S⋯H and H⋯O/O⋯H of, for example, for R′ = Me, 22.5, 17.1 and 15.9%, respectively.

Acknowledgements

The Brazilian agencies Coordination for the Improvement of Higher Education Personnel, CAPES, Finance Code 001 and the National Council for Scientific and Technological Development (CNPq) are acknowledged for grants (312210/2019–1, 433957/2018–2 and 406273/2015–4) to IC and for a fellowship (303207/2017–5) to JZS. 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: 2020-07-16
Accepted: 2020-08-11
Published Online: 2020-08-21
Published in Print: 2020-10-27

©2020 Ignez Caracelli 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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  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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