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Synthesis, Crystal Structure and Fluorescent Property of Cis-bis[N,N-diethyl-N'-(p-nitrobenzoyl)thiourea-kS,O] Platinum(II) Complex

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Abstract

The reaction of the N,N-diethyl-N'-(p-nitrobenzoyl)thiourea with K2[PtCl4] results in the complex of configurational cis-[Pt(L-kS,O)2], and structurally characterized by elemental analyses, FT-IR, 1H NMR, 13H NMR, UV–Vis spectroscopy, and cis-[Pt(L-kS,O)2] complex have been also characterized by a single-crystal X-ray diffraction study. The cis-[Pt(L-kS,O)2] crystallizes in the monoclinic crystal system, space group P21/c, with Z = 4, and unit cell parameters, a = 15.09299(15) Å, b = 15.26600(14) Å, c = 14.39268(14) Å, α = 90°, β = 107.6347(11)° and γ = 90°. The single-crystal diffraction analysis of the complex shows that the molecular configuration of cis-[Pt(L-kS,O)2] is a slightly distorted square-planar geometry, and both deprotonated ligands (L) contribute one O atom and one S atom coordinate with a central Pt(II) ion. The intermolecular interactions in the cis-[Pt(L-kS,O)2] complex were analyzed using the Hirshfeld surface method, including 2D fingerprint plots. In addition, the fluorescence properties of the compounds at room temperature were also studied. The results show that both ligands and complexes have good fluorescence properties, and the fluorescence intensity of the coordination compound enhances.

Graphical Abstract

In this paper, single-crystal X-ray analysis shows cis-[Pt(L-kS,O)2] belongs to monoclinic crystal system, space group P21/c. The connectivity of the ligand to the metal as 2:1 and the platinum atom is coordinated with two N,N-diethyl-N'-(p-nitrobenzoyl)thiourea ligands in a distorted square-planar geometry.

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Data availability

Crystallographic data for the structures of cis-[Pt(L-kS,O)2] complex reported in this paper have been deposited with the Cambridge Crystallographic Center, 12 Union Road, Cambridge CB2 1EZ, UK. E-mail: www.ccdc.cam.ac.uk. (CCDC deposition number: 2156773). All data generated or analyzed during this study are included in this published article.

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Acknowledgements

We gratefully acknowledge the financial assistance from the Fundamental Research Funds for the Central Universities, Northwest Minzu University 2019 (Grant No. 31920190017).

Funding

Funding was provided by Fundamental Research Funds for the Central Universities, Northwest Minzu University (Grant No. 31920190017).

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  1. School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, No 88, Aning East Road, Lanzhou, 730070, Gansu, China

    Xing-hong Duan, Bi-quan Su, Li Sheng & Rong Tan

  2. School of Chemical Engineering, Northwest Minzu University, Lanzhou, 730124, China

    Liang Xian

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Conceptualization: LX and BQS; synthesis: BS and XHD; characterization and analysis: LX, BQS, and XHD; writing-original draft preparation: XHD; writing-review and editing: LX, BQS, XHD, LS and RT; supervision: LX and BQS; project administration: LX; funding acquisition: LX.

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Duan, Xh., Su, Bq., Xian, L. et al. Synthesis, Crystal Structure and Fluorescent Property of Cis-bis[N,N-diethyl-N'-(p-nitrobenzoyl)thiourea-kS,O] Platinum(II) Complex. J Chem Crystallogr 53, 357–369 (2023). https://doi.org/10.1007/s10870-022-00976-8

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