Home Physical Sciences Crystal structure of (E)-1-(thiophen-2-yl)-N-(5-((triphenylstannyl)thio)-1,3,4-thiadiazol-2-yl)methanimine, C25H19N3S3Sn
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Crystal structure of (E)-1-(thiophen-2-yl)-N-(5-((triphenylstannyl)thio)-1,3,4-thiadiazol-2-yl)methanimine, C25H19N3S3Sn

  • Junshan Sun EMAIL logo
Published/Copyright: February 14, 2019

Abstract

C25H19N3S3Sn, monoclinic, P21/n (no. 14), a = 14.347(4) Å, b = 9.908(3) Å, c = 17.834(5) Å, V = 2405.6(11) Å3, Z = 4, Rgt(F) = 0.0287, wRref(F2) = 0.0777, T = 298(2) K.

CCDC no.: 1890996

The crystal structure is shown in the figure. Tables 1 and 2 contain details on crystal structure and measurement conditions and a list of the atoms including atomic coordinates and displacement parameters.

Source of material

The thio-ligand was prepared by thiophene-2-carbaldehyde and 5-amino-1,3,4-thiadiazole-2-thiol in the refluxing in 80 °C in solvent of ethanol for 2 h. The yellow precipitation was obtained by filtering. The title complex was synthesized by the thio-ligand and triphenyltin chloride, in the presence of sodium ethoxide, as the dehydrogenation reagent, heating for 4 h at 313 K. The mixture was filtered and the filtration was distilled by rotary evaporator. The product was recrystallized in hexane/dichloromethane with the ratio 1:1. The colorless block crystals were obtained by evaporation in air.

Table 1:

Data collection and handling.

Crystal:Yellow block
Size:0.68 × 0.52 × 0.49 mm
Wavelength:Mo Kα radiation (0.71073 Å)
μ:1.34 mm−1
Diffractometer, scan mode:APEX2, φ and ω
θmax, completeness:25.0°, >99%
N(hkl)measured, N(hkl)unique, Rint:12136, 4237, 0.041
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 3180
N(param)refined:289
Programs:Bruker [1], SHELX [2]
Table 2:

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

AtomxyzUiso*/Ueq
Sn11.19065(2)1.43448(2)0.49628(2)0.04420(10)
S11.54083(7)1.34028(10)0.57363(6)0.0570(3)
S21.32957(7)1.32324(11)0.46818(6)0.0623(3)
S31.84360(8)1.52684(12)0.84447(7)0.0698(3)
N11.4027(2)1.4777(3)0.5971(2)0.0541(8)
N21.4853(2)1.5142(3)0.65729(19)0.0561(8)
N31.6518(2)1.4678(3)0.71334(19)0.0568(8)
C11.4191(3)1.3891(4)0.5488(2)0.0505(9)
C21.5627(3)1.4492(4)0.6549(2)0.0520(9)
C31.7213(3)1.3843(4)0.7196(2)0.0593(10)
H31.7103151.3130700.6839390.071*
C41.8151(3)1.3945(4)0.7786(2)0.0517(9)
C51.8925(3)1.3085(4)0.7921(2)0.0586(10)
H51.8911521.2303560.7629460.070*
C61.9736(3)1.3492(5)0.8537(2)0.0643(11)
H62.0323141.3013610.8704500.077*
C71.9582(3)1.4649(5)0.8866(2)0.0678(12)
H72.0055021.5069060.9281000.081*
C81.1875(2)1.6483(4)0.47801(19)0.0435(8)
C91.2547(3)1.7355(4)0.5253(2)0.0569(10)
H91.3063511.7015850.5668580.068*
C101.2472(3)1.8721(4)0.5124(3)0.0692(12)
H101.2936171.9295310.5452080.083*
C111.1720(3)1.9245(4)0.4516(3)0.0650(11)
H111.1675692.0171250.4427710.078*
C121.1036(3)1.8401(4)0.4043(3)0.0668(11)
H121.0517761.8752780.3633430.080*
C131.1108(3)1.7017(4)0.4169(2)0.0582(10)
H131.0639941.6445660.3841140.070*
C141.0765(2)1.3368(3)0.40645(19)0.0422(8)
C151.0647(3)1.3528(4)0.3265(2)0.0579(10)
H151.1069541.4094940.3109770.069*
C160.9913(3)1.2858(4)0.2699(2)0.0651(11)
H160.9840381.2984560.2166900.078*
C170.9292(3)1.2008(4)0.2915(2)0.0613(11)
H170.8803631.1546790.2531190.074*
C180.9392(3)1.1842(4)0.3694(2)0.0614(10)
H180.8967131.1270500.3843550.074*
C191.0121(3)1.2518(4)0.4262(2)0.0517(9)
H191.0179001.2396420.4792140.062*
C201.1837(2)1.3584(4)0.60551(19)0.0423(8)
C211.1569(3)1.4369(4)0.6591(2)0.0552(10)
H211.1481311.5292170.6503980.066*
C221.1429(3)1.3806(5)0.7255(2)0.0715(12)
H221.1248991.4349270.7611690.086*
C231.1553(3)1.2456(5)0.7387(2)0.0755(13)
H231.1449141.2075120.7830820.091*
C241.1829(3)1.1659(5)0.6870(3)0.0759(13)
H241.1918971.0737230.6962560.091*
C251.1973(3)1.2225(4)0.6212(2)0.0610(10)
H251.2166631.1676670.5864330.073*

Yield: 83% (based on Sn), and elemental analysis: calc. for C25H19N3S3Sn: C 52.10, H 3.32, N 7.29%; found: C 52.31, H 3.24, N 7.15%. The elemental analyses were performed with PERKIN ELMER MODEL 2400 SERIES II.

Experimental details

All hydrogen atomic positions were taken from a difference Fourier map. Hydrogen atoms were assigned with common isotropic displacement factors Uiso(H) = 1.2 times Ueq (C, phenyl ring and thiophene ring). All the H atoms were refined as riding on their parent atom.

Comment

Organotin(IV) complexes, the bioactive organometallics, have gained widely attention due to their structural diversity and effective anticancer activity [3], [4], [5]. Especially many varieties of organotin(IV) complexes with the heteroatoms of N, O and S are under investigation [6], [7], [8]. The heterocyclic thiones that contain at least one deprotonated heterocyclic thioamide group (N—C—S) have been subject for their versatile coordination modes and biological activities. Schiff base derived from various heterocycles were reported to possess biological activity [9]. So we are interested to assemble the Schiff base group and the heterocyclic thioamide group (N—C—S) to study the properties of a corresponding organotin(IV) complex.

The aforementioned thio-ligand was reacted with the triphenyltin chloride to give the title compound (see the figure). The bond length of S—Sn 2.4633(11) Å, which is close to the covalent radii of tin and sulfur atoms (2.42 Å) [10]. The environment of Sn atom is a distorted tetrahedron. The angles of C—Sn—S and C—Sn—C are from 97.07(9) to 119.10(13)°, showing architecture of the Sn atom with surrounding atoms is seriously distorted from the tetrahedron geometry.

Geometric parameters in the thio-ligand are as expected [11], [12] .

Funding source: Shandong Provincial Higher Education Research and Development Program Project

Award Identifier / Grant number: J18KB049

Funding source: Talent Foundation of Taishan University

Award Identifier / Grant number: Y2015−1−002

Funding statement: Financial support from the Shandong Provincial Higher Education Research and Development Program Project (No. J18KB049) and Talent Foundation of Taishan University (No. Y2015−1−002) are gratefully acknowledged.

References

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Received: 2018-11-07
Accepted: 2019-01-15
Published Online: 2019-02-14
Published in Print: 2019-03-26

©2019 Junshan Sun, published by De Gruyter, Berlin/Boston

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

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  72. Crystal structure of N-methylanilinium 5,7-dihydroxy-4-oxo-2-phenyl-4H-chromene-8-sulfonate monohydrate, C22H21NO8S
  73. Crystal structure of methyl 4-acetoxybenzoate, C10H10O4
  74. Crystal structure of catena-poly[(bis(μ-1,1′-[(5-methoxy-2,4,6-trimethyl-1,3-phenylene)bis(methylene)]bis(1H-1,2,4-triazole)-κ2N:N′)-bis(isothiocyanato-κN)manganese(II)], C34H40MnN14O2S2
  75. Crystal structure of N-(2-methylphenyl)(propan-2-yloxy)carbothioamide, C11H15NOS
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