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author:

Feng, Y.-L. (Feng, Y.-L..) [1] | Liu, S.-X. (Liu, S.-X..) [2]

Indexed by:

Scopus

Abstract:

Three manganese(III) complexes with the ligand bzacen2- [bzacen2- = N,N'-ethylenebis (1-phenyl-3-imino-1-butanonato)], Mn(bzacen) (pyridine)(NCS) (1), [Mn2(bzacen)2 (Me OH)2](ClO4)2 (2) and MnCl(bzacen) (3), have been synthesized and characterized by ER, 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 Å) to form a dinuclear [Mn2(bzacen)2(MeOH)2]2+ cation, the Mn2O2 core having an Mn⋯Mn separation of 3.397 Å and Mn-O-Mn angles of 99.7○. In these three complexes vc=0 and vc=c are shifted to lower frequencies in IR and Raman spectra; π-π* transitions, d-π* 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 ] [Feng, Y.-L.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 2 ] [Liu, S.-X.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Liu, S.-X.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, 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

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 8

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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