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Titolo:
Influence of hydrogen bonding in the structure of mixed-ligand copper(II) chelates. Spectra and structure of [aquo(2,2 '-dipyridylamine)-(3-chloro-2,4-pentanedionato)copper(II)] nitrate
Autore:
Kavounis, CA; Tzavellas, LC; Cardin, CJ; Zubavichus, Y;
Indirizzi:
Univ Thessaloniki, Dept Phys, Salonika, Greece Univ Thessaloniki Salonika Greece saloniki, Dept Phys, Salonika, Greece Univ Thessaloniki, Dept Chem, Salonika, Greece Univ Thessaloniki Salonika Greece saloniki, Dept Chem, Salonika, Greece Univ Reading, Reading RG2 6RD, Berks, England Univ Reading Reading Berks England RG2 6RD eading RG2 6RD, Berks, England
Titolo Testata:
STRUCTURAL CHEMISTRY
fascicolo: 6, volume: 10, anno: 1999,
pagine: 411 - 417
SICI:
1040-0400(199912)10:6<411:IOHBIT>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
BETA-KETOENOLS; COORDINATION; COMPLEXES; SOLVENTS;
Keywords:
adducts of mixed-ligand copper(II) chelates; hydrates of mixed-ligand copper(II) chelates; hydrogen bonding in mixed-ligand copper(II) chelates; structure of 3-chloro-2,4-pentanedionato anion; structure of bis(beta-dionato)copper(II) addition compounds;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Kavounis, CA Univ Thessaloniki, Dept Phys, Salonika, Greece Univ Thessaloniki Salonika Greece t Phys, Salonika, Greece
Citazione:
C.A. Kavounis et al., "Influence of hydrogen bonding in the structure of mixed-ligand copper(II) chelates. Spectra and structure of [aquo(2,2 '-dipyridylamine)-(3-chloro-2,4-pentanedionato)copper(II)] nitrate", STRUCT CHEM, 10(6), 1999, pp. 411-417

Abstract

The IR, the ligand field spectra and the crystal structure of the mixed-ligand compound [(aquo)2,2'-dipyridylamine(3-chloro-2,4-pentanedionato)copper(II)] nitrate, [Cu(dpyamH) Cl-acac(H2O)]NO3], are reported. The copper atomexists in a square pyramidal environment with the apical position occupiedby the aqua ligand. The nitrogenous base and the beta-dionato anion act asbidentate ligands forming six-membered chelate rings. In addition to the coulombic interactions with the metal centre, the planar NO3- group participates in specific electrostatic interactions involving the hydrogen atoms ofthe coordinated water molecule. The chlorine and the nitrogen atoms are also involved in hydrogen bonding. The structure of the compound was determined by single crystal X-ray diffraction analysis (triclinic, space group P (1) over bar, a = 8.718(5), b = 9.407(5), c = 13.484 (7) Angstrom, alpha = 94.17(4)degrees, beta = 105.12(5)degrees, gamma = 119.75(5)degrees, Z = 2, R= 0.0332, R-W = 0.0869).

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Documento generato il 21/10/20 alle ore 17:48:46