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Titolo:
Complexes of a bis(tetradentate) compartmental pyrazolate ligand: solutionstudies and solid state structures
Autore:
Siegfried, L; Kaden, TA; Meyer, F; Kircher, P; Pritzkow, H;
Indirizzi:
Univ Basel, Inst Anorgan Chem, CH-4056 Basel, Switzerland Univ Basel Basel Switzerland CH-4056 an Chem, CH-4056 Basel, Switzerland Univ Heidelberg, Inst Anorgan Chem, D-69120 Heidelberg, Germany Univ Heidelberg Heidelberg Germany D-69120 , D-69120 Heidelberg, Germany
Titolo Testata:
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS
fascicolo: 15, , anno: 2001,
pagine: 2310 - 2315
SICI:
1472-7773(2001):15<2310:COABCP>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
METAL-COMPLEXES; BIMETALLIC HYDROFORMYLATION; COPPER(II) COMPLEXES; MACROCYCLIC LIGANDS; ZINC(II) COMPLEX; DINUCLEAR; HYDROLYSIS; REACTIVITY; MOLECULES; CATALYSIS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: Kaden, TA Univ Basel, Inst Anorgan Chem, Spitalstr 51, CH-4056 Basel, Switzerland Univ Basel Spitalstr 51 Basel Switzerland CH-4056 , Switzerland
Citazione:
L. Siegfried et al., "Complexes of a bis(tetradentate) compartmental pyrazolate ligand: solutionstudies and solid state structures", J CHEM S DA, (15), 2001, pp. 2310-2315

Abstract

The stability of Ni2+, Cu2+, and Zn2+ complexes with a bis(tetradentate) compartmental pyrazolate ligand (L) was determined in aqueous solution at 25degreesC and I=0.5 M (KNO3). Thereby a series of mononuclear [MLHn] (n=2, 1, 0, -1, and -2) and dinuclear species [M2LHm] (m= 0, -1, -2) was observed. The stability of [ML] and [M2L] increases in the order Ni2+< Zn2+< Cu2+, whereby in the case of Ni2+ no dinuclear species could be detected. Structural proposals for several species were corroborated by X-ray diffraction studies. In all cases the pyrazolate group has a pronounced tendency to bridge two metal ions.

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Documento generato il 04/04/20 alle ore 09:13:31