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author:

Feng, YL (Feng, YL.) [1] | Liu, SX (Liu, SX.) [2]

Indexed by:

Scopus SCIE

Abstract:

Three manganese(III) complexes with the ligand bzacen(2-) [bzacen(2-) = N,N'-ethylenebis (1-phenyl-3-imino-1-butanonato)], Mn(bzacen) (pyridine)(NCS) (1), [Mn-2(bzacen)(2) (Me OH)(2)](ClO4)(2) (2) and MnCl(bzacen) (3), have been synthesized and characterized by IR, Raman, electronic spectra and cyclic voltammetry. A structure determination of complexes 1 and 2 reveals a octahedral coordination with an N2O2 equatorial plane composed of atoms from the Schiff base ligand, while the Mn atom in complex 3 has square pyramidal coordination. The two MnN2O4 octahedra in complex 2 are joined by sharing two ketone oxygen atoms (Mn-O 1.910 and 2.493 Angstrom) to form a dinuclear [Mn-2(bzacen)(2)(MeoH)(2)](2+) cation, the Mn,OZ core having an Mn Mn separation of 3.397 Angstrom and Mn-O-Mn angles of 99.7 degrees. In these three complexes v(C=O) and v(C=C) are shifted to lower frequencies in IR and Raman spectra; pi-pi* transitions, d-pi* charge-transfer transitions and d-d* ligand field transitions are observed in electronic spectra.

Keyword:

crystal structure manganese(III) complex Schiff base spectroscopy

Community:

  • [ 1 ] Fuzhou Univ, Dept Chem, Fujian 350002, Peoples R China

Reprint 's Address:

  • 刘世雄

    [Liu, SX]Fuzhou Univ, Dept Chem, Fujian 350002, Peoples R China

Email:

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Source :

JOURNAL OF COORDINATION CHEMISTRY

ISSN: 0095-8972

Year: 1998

Issue: 1-2

Volume: 44

Page: 81-90

0 . 6 2 2

JCR@1998

2 . 2 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 8

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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