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Molecular recognition, characterization and biological importance of tetrabutylammonium hexanitrate cerium (III) complex

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Abstract

The present work deals with the study of chemical synthesis of tetrabutylammonium hexanitrate Ce(III) (TBA3[Ce(NO3)6]) derived from ammonium cerium (IV) nitrate, syn-2-pyridinealdoxime, tetrabutylammonium bromide in 6:9:4 stoichiometric ratio and a mixture of acetic acid and water (10/30, v/v) in a single pot reaction. The structure of the TBA3[Ce(NO3)6] is characterized using FTIR, UV–Visible and Single X-ray Crystallography technique. Its crystal structure and BVS calculation confirm the oxidation state of cerium ion. The complex TBA3[Ce(NO3)6] consists of central metal atom cerium (III) ion, which was bound to six nitrate moieties through the coordinate bond with an oxygen atom and the whole moiety is surrounded by three tetrabutylammonium anions and formulates a salt structure. The symmetry point group of complex TBA3[Ce(NO3)6] is P21/n (14). From optical measurement, we have calculated the band gap energy of TBA3[Ce(NO3)6] (4.3 eV), which indicates the complex has semiconductor properties. We have also reported the binding ability of TBA3[Ce(NO3)6] with CT-DNA through intercalation mode, and the binding constant (Kb) is found to be 1.182 × 103 M−1. The cytotoxicity effect and chromosomal aberration in Allium cepa L. root tip cells confirmed the complex's biological activity. Density Function Theory (DFT) is finding out the theoretical evidence of structural and electronic parameters of the complex (by using cif) such as ionization potential (I), electron affinity (A), HOMO–LUMO energy gap, hardness (η) and softness (σ). The EHOMO, ELUMO, hardness (η), softness (σ) and dipole moment (µ) are − 3.442 eV, − 2.231 eV, 1.211 eV, 0.603 eV, 1.657 eV−1, and 3.830 Debye.

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Acknowledgements

The authors are thankful to the Madhya Pradesh Council of Science & Technology, Govt. of India, MP (File No. A/R&D/RP-2/ Phy&Engg./2017-18/271), and DST-FIST, Govt. of India (File No. SR/FST/CS-I/2017/2(C)), for financial assistance to the development of the Instrumental facility at Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak, MP, India. Authors are also thankful to IISER Pune and GGU (Central University), Chhattisgarh, India, for measurement of single X-ray crystallography, CHN, and FTIR analysis.

Accession Codes: CCDC 1951600 contains the supplementary crystallographic data for TBA3[Ce(NO3)6]. This data can be free of charge via http://www.ccdc.cam.ac.uk/conts/retrieving.html or from the Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge, CB2, 1EZ, UK; fax(+ 44) 1223-336-033; or e-mail:deposit@ccdc.cam.ac.uk. Electronic supplementary information (ESI) available: ESI* S 1-7 and Tables 1-3.

Funding

This work was fully supported by Madhya Pradesh Council of Science & Technology, Govt. of India, Madhya Pradesh (File No. A/R&D/RP-2/ Phy&Engg./2017–18/271), and Indira Gandhi National Tribal University, Amarkantak, Madhya Pradesh, India.

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The metal complex was synthesized by Dr. M.K. Ghosh. The applications of the complexes were investigated by Dr. M.K. Ghosh and Dr. S.K. Chandraker. The DFT was performed by C. Das and Dr. S. Sikdar. All the experiments were designed and supervised by Prof. T.K. Ghorai. The manuscript was written and reviewed by Dr. M.K. Ghosh and Prof. T.K. Ghorai.

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Correspondence to Tanmay Kumar Ghorai.

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11696_2022_2091_MOESM1_ESM.docx

The Electronic Supporting Information is available on the Springer Publications website at DOI: https://doi.org/10.1007/s11696-022-02091-6. FTIR, Electronic spectra, Optical data, DFT, and X-ray crystallographic data.

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Ghosh, M.K., Chandraker, S.K., Sikdar, S. et al. Molecular recognition, characterization and biological importance of tetrabutylammonium hexanitrate cerium (III) complex. Chem. Pap. 76, 3259–3273 (2022). https://doi.org/10.1007/s11696-022-02091-6

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  • DOI: https://doi.org/10.1007/s11696-022-02091-6

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