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author:

Wu, Q.-J. (Wu, Q.-J..) [1] | Liu, S.-X. (Liu, S.-X..) [2]

Indexed by:

Scopus PKU CSCD

Abstract:

The two title compounds containing the same ligand H2L (H 2L = salicylaldehyde p-nitrobenzoylhydrazone), VOL(CH 3OH)(CH3O) 1 (C16H16N 3O7V, Mr = 413.26) and [CoL(C5H 5N)3]·NO3·C5H 5N 2 (C34H29N8O7Co, Mr = 720.58) have been synthesized and characterized. Complex 1 belongs to monoclinic, space group P21/c with a = 7.3253(3), b = 18.8237(9), c = 12.9014(5) Å, β = 91.672(1)°, V = 1778.2(1) Å3, Z = 4, F(000) = 848, μ(MoKα) = 0.603 mm -1, R = 0.0470 and wR = 0.1312. Complex 2 is of monoclinic, space group P21/c with a = 11.4196(8), b = 17.157(1), c = 17.081(1) Å, β = 96.8233(9)°, V = 3323.0(4) Å3, Z = 4, F(000) = 1488, μ(MoKα) = 0.578 mm-1, R = 0.0455 and wR = 0.1311. The vanadium atom in 1 has a distorted octahedral VO(OON)(O)(O) coordination with a normal V=O bond of 1.583(3) Å. Two oxygen and one nitrogen atoms of the tridentate hydrazone ligand L2-, and one oxygen atom of the deprotonated methanol CH3O- are coordinated to the vanadium(V) atoms, forming an equatorial plane. The axial position trans to the oxo group is occupied by the oxygen atom of the neutral methanol CH 3OH. Every two molecules related by centrosymmetric operation in 1 are connected by pairs through intermolecular hydrogen bonds. The hydrogen bond length of O⋯N is 2.861(4) Å and bond angle of O-H⋯N is 163.20°. Each two facial benzene rings form dimers via partial π-π stacking in the pairs. The cobalt atom in 2 is octahedrally coordinated by three ONO donors in L2- and three nitrogen atoms in three pyridine molecules.

Keyword:

Cobalt complex; Crystal structures; Oxovanadium complex; Salicylaldehyde p-nitrobenzoylhydrazone

Community:

  • [ 1 ] [Wu, Q.-J.]Central Laboratory, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 2 ] [Liu, S.-X.]Central Laboratory, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Wu, Q.-J.]Central Laboratory, Fuzhou University, Fuzhou, Fujian 350002, China

Email:

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Source :

CHINESE JOURNAL OF STRUCTURAL CHEMISTRY

ISSN: 0254-5861

CN: 35-1112/TQ

Year: 2004

Issue: 10

Volume: 23

Page: 1177-1182

0 . 7 3 4

JCR@2004

5 . 9 0 0

JCR@2023

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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