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Titolo:
Self-assemblies and supramolecular structures in metal beta-dionates: Crystal and molecular structure of bis(aquo)bis(3-cyano-2,4-pentanedionato)zinc(II) dihydrate, [Zn(H2O)(2)(NC-acac)(2)]center dot 2H(2)O
Autore:
Voutsas, G; Tzavellas, LC; Tsiamis, C;
Indirizzi:
Univ Thessaloniki, Dept Phys, GR-54006 Salonika, Greece Univ ThessalonikiSalonika Greece GR-54006 ys, GR-54006 Salonika, Greece Univ Thessaloniki, Dept Chem, GR-54006 Salonika, Greece Univ ThessalonikiSalonika Greece GR-54006 em, GR-54006 Salonika, Greece
Titolo Testata:
STRUCTURAL CHEMISTRY
fascicolo: 1, volume: 10, anno: 1999,
pagine: 53 - 57
SICI:
1040-0400(199902)10:1<53:SASSIM>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
COMPLEXES; COORDINATION; SPECTRA; BOND;
Keywords:
hydrates of bis(beta-dionato)zinc(II) chelates; hydrogen bonds in adducts of bis(beta-dionato)zinc(II) chelates; spectra of bis(beta-dionato)zinc(II) chelates; structure of bis(aquo)bis(3-cyano-2,4-pentanedionato)zinc(II) dihydrate; supramolecular bis(beta-dionato)zinc(II) hydrates;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Tsiamis, C Univ Thessaloniki, Dept Phys, GR-54006 Salonika, Greece Univ Thessaloniki Salonika Greece GR-54006 6 Salonika, Greece
Citazione:
G. Voutsas et al., "Self-assemblies and supramolecular structures in metal beta-dionates: Crystal and molecular structure of bis(aquo)bis(3-cyano-2,4-pentanedionato)zinc(II) dihydrate, [Zn(H2O)(2)(NC-acac)(2)]center dot 2H(2)O", STRUCT CHEM, 10(1), 1999, pp. 53-57

Abstract

Zinc(II) reacts with the anion of 3-cyano-2,4-pentanedione to form the coordinatively unsaturated bis(beta-dionato)zinc(II) chelate that functions asLewis acid and induces short-range site-bounded cohesion forces. Water molecules add to the metal center while others participate in specific interactions involving the terminal nitrogen atom. The X-ray structure analysis ofthe [Zn(H2O)(2)(NC-acac)(2)] 2H(2)O entity (monoclinic, space group P2(1)/c, a = 5.208(5), b = 21.359(5), c = 7.813(5) Angstrom, beta = 101.89(3)degrees Z = 4, R = 0.0632, R-w = 0.0679) revealed that zinc(II) exists in a centrosymmetric distorted tetragonal environment and that the entity performs as a building block of a supramolecular structure.

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Documento generato il 01/12/20 alle ore 07:45:02