Crystal structures and physicochemical studies of some novel divalent and trivalent transition metal chelates of N-morpholine-N’-benzoylthiourea

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dc.contributor.authorRevaprasadu, Neerish
dc.contributor.authorKetchemen, Kevin I.Y.
dc.contributor.authorKhan, Malik Dilshad
dc.contributor.authorMlowe, Sixberth
dc.contributor.authorAkerman, Matthew P.
dc.contributor.authorVitorica-Yrezabal, Inigo
dc.contributor.authorWhitehead, George
dc.contributor.authorNyamen, Linda D.
dc.contributor.authorNdifon, Peter T.
dc.contributor.authorO’Brien, Paul
dc.coverage.conferenceissn
dc.date.accessioned2025-11-20T08:37:50Z
dc.date.available2025-11-20T08:37:50Z
dc.date.issued2021
dc.departmentNameChemistry
dc.description.abstractA series of Fe(III), Co(III), Ni(II), Cu(II), Zn(II) and In(III) N-morpholine-N'-benzoyl thiourea complexes have been synthesized and characterized by elemental analysis, thermal analysis, infrared spectroscopy, 1H nuclear magnetic resonance spectroscopy and single-crystal X-ray crystallography. Thermogravimetric analysis shows that all the complexes undergo a two-step decomposition process except for the iron(III) complex and the indium(III) complexes, which show three-step and one-step decompositions, respectively. The complexes are thermally stable up to approximately 300°C. The ligand coordinates the various metal ions in a bidentate (L-kO,S) chelating mode, facilitated by deprotonation of the acidic amide (–C(O) N'HC (S)) moiety. This mode of coordination allows for the facile formation of neutral bis/tris-6-membered chelates of type [M(L-kS,O)x] where x = 2 or 3 for divalent or trivalent metal ions, respectively.
dc.facultyFaculty of Science, Agriculture and Engineering
dc.format.preprintNo
dc.identifier.citationKetchemen, K.I., Khan, M.D., Mlowe, S., Akerman, M.P., Vitorica-Yrezabal, I., Whitehead, G., Nyamen, L.D., Ndifon, P.T., Revaprasadu, N. and O'Brien, P., 2021. Crystal structures and physicochemical studies of some novel divalent and trivalent transition metal chelates of N-morpholine-N'-benzoylthiourea. Journal of Molecular Structure, 1229, pp.1-9.
dc.identifier.issn1872-8014 (online)
dc.identifier.issn0022-2860 (print)
dc.identifier.otherhttps://doi.org/10.1016/j.molstruc.2020.129791
dc.identifier.urihttp://hdl.handle.net/10530/58308
dc.inproceedingsissn
dc.issuenumber1229
dc.keynoteissn
dc.pages1 - 9
dc.peerreviewedYes
dc.publisherElsevier
dc.subjectMetal complexes
dc.subjectBenzoylthiourea ligands
dc.subjectThermal analysis
dc.subjectSingle crystal X-ray crystallography
dc.titleCrystal structures and physicochemical studies of some novel divalent and trivalent transition metal chelates of N-morpholine-N’-benzoylthiourea
dc.title.journalJournal of Molecular Structure
dc.typeJournal Article
dspace.entity.typePublication
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