diplomsko delo
Petra Meglen (Author), Saša Petriček (Mentor)

Abstract

S podatki iz baze Cambridge Structural Database in programom Mercury sem preučila vezavo 3-hidroksipiridina, njegove tavtomerne oblike piridin-3-ona in piridin-3-olata v cinkovih in nikljevih kompleksih. V nikljevih kompleksih se 3-hidroksipiridin in piridin-3-olatni ion vežeta samo terminalno prek dušikovega atoma. Pri večjedrnih nikljevih kompleksih s 3-hidroksipiridinom centralne ione povezujejo oksalatni ali azidni ioni. Tudi v enojedrnih cinkovih kompleksih se 3-hidroksipiridin veže terminalno le prek dušikovega atoma. V večjedrnih cinkovih kompleksih sta piridin-3-on in piridin-3-olat, tavtomerna in deprotonirana oblika 3-hidroksipiridina, mostovna liganda. Piridin-3-on se mostovno veže na dva sosednja cinkova iona samo prek kisikovega atoma, piridin-3-olat pa prek kisikovega atoma na dva cinkova iona in prek dušikovega atoma na tretjega.

Keywords

nikelj;nikljevi kompleksi;cink;cinkovi kompleksi;ligandi;3-hidroksipiridin;diplomske naloge;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FKKT - Faculty of Chemistry and Chemical Technology
Publisher: [P. Meglen]
UDC: 546.47:546.74:547.82(043.2)
COBISS: 100557059 Link will open in a new window
Views: 148
Downloads: 23
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Other data

Secondary language: English
Secondary title: Nickel and zinc complexes with 3-hydroxypyridine
Secondary abstract: The binding mode of 3-hydroxypyridine in complexes with zinc and nickel was investigated using data from the Cambridge Structural Database and Mercury programmes. In nickel complexes, 3-hydroxypyridine and pyridin-3-olate ions are terminal ligands coordinating only through one nitrogen atom. The central ions in polynuclear nickel complexes with 3-hydroxypyridine are connected by oxalate or azide ions. In mononuclear zinc complexes, 3-hydroxypyridine is also a terminal ligand coordinating through a nitrogen atom. Pyridin-3-one and pyridin-3-olate, the tautomeric and deprotonated forms of 3-hydroxypyridine, are bridging ligands in the polynuclear zinc complexes. Pyridin-3-one coordinates to two adjacent zinc ions via the oxygen atom only, while pyridin-3-olate coordinates to two zinc ions via the oxygen atom and to a third zinc ion via the nitrogen atom.
Secondary keywords: coordination compounds;3-hydroxypyridine;complexes with nickel;complexes with zinc;Koordinacijske spojine;Univerzitetna in visokošolska dela;
Type (COBISS): Bachelor thesis/paper
Study programme: 1000374
Embargo end date (OpenAIRE): 1970-01-01
Thesis comment: Univ. v Ljubljani, Fak. za kemijo in kemijsko tehnologijo, VSŠ Kemijska tehnologija
Pages: 38 str.
ID: 14696231