Synthesis, characterization, and crystal structures of cobalt(II), copper(II), and zinc(II) complexes of a bidentate iminophenol

Biswarup Chakraborty; Sridhar Banerjee

doi:10.1080/00958972.2013.848979

Synthesis, characterization, and crystal structures of cobalt(II), copper(II), and zinc(II) complexes of a bidentate iminophenol

Biswarup Chakraborty
, Sridhar Banerjee

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

A bidentate iminophenol (HL = 2-((4-methoxyphenylimino)methyl)-4,6-di-tert- butylphenol derived from condensation of 4-methoxyaniline and 3,5-di-tert-butyl-2-hydroxybenzaldehyde) was mixed with divalent metal salts to form the corresponding mononuclear metal complexes [M^II(L) ₂] (M = Co (1), Cu (2), and Zn (3)). The complexes are characterized by different spectroscopic and analytical tools. X-ray crystal structures of the complexes revealed homoleptic mononuclear complexes with MN₂O ₂ coordination. The cobalt(II) (1) and zinc(II) (3) complexes display a pseudo-tetrahedral coordination geometry, whereas the copper(II) complex (2) exhibits a distorted square-planar coordination. The zinc(II) complex (3) emits at 460 nm with a twofold enhancement of emission with respect to the free iminophenol.

Original language	English
Pages (from-to)	3619-3628
Number of pages	10
Journal	Journal of Coordination Chemistry
Volume	66
Issue number	20
DOIs	https://doi.org/10.1080/00958972.2013.848979
State	Published - 20 Oct 2013
Externally published	Yes

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Keywords

Crystal structure
Fluorescence
Iminophenol
Transition metal complexes
Zinc

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Materials Chemistry

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10.1080/00958972.2013.848979

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@article{024dcbe191cd40358fd6b9e362a4bf4d,

title = "Synthesis, characterization, and crystal structures of cobalt(II), copper(II), and zinc(II) complexes of a bidentate iminophenol",

abstract = "A bidentate iminophenol (HL = 2-((4-methoxyphenylimino)methyl)-4,6-di-tert- butylphenol derived from condensation of 4-methoxyaniline and 3,5-di-tert-butyl-2-hydroxybenzaldehyde) was mixed with divalent metal salts to form the corresponding mononuclear metal complexes [MII(L) 2] (M = Co (1), Cu (2), and Zn (3)). The complexes are characterized by different spectroscopic and analytical tools. X-ray crystal structures of the complexes revealed homoleptic mononuclear complexes with MN2O 2 coordination. The cobalt(II) (1) and zinc(II) (3) complexes display a pseudo-tetrahedral coordination geometry, whereas the copper(II) complex (2) exhibits a distorted square-planar coordination. The zinc(II) complex (3) emits at 460 nm with a twofold enhancement of emission with respect to the free iminophenol.",

keywords = "Crystal structure, Fluorescence, Iminophenol, Transition metal complexes, Zinc",

author = "Biswarup Chakraborty and Sridhar Banerjee",

year = "2013",

month = oct,

day = "20",

doi = "10.1080/00958972.2013.848979",

language = "English",

volume = "66",

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journal = "Journal of Coordination Chemistry",

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TY - JOUR

T1 - Synthesis, characterization, and crystal structures of cobalt(II), copper(II), and zinc(II) complexes of a bidentate iminophenol

AU - Chakraborty, Biswarup

AU - Banerjee, Sridhar

PY - 2013/10/20

Y1 - 2013/10/20

N2 - A bidentate iminophenol (HL = 2-((4-methoxyphenylimino)methyl)-4,6-di-tert- butylphenol derived from condensation of 4-methoxyaniline and 3,5-di-tert-butyl-2-hydroxybenzaldehyde) was mixed with divalent metal salts to form the corresponding mononuclear metal complexes [MII(L) 2] (M = Co (1), Cu (2), and Zn (3)). The complexes are characterized by different spectroscopic and analytical tools. X-ray crystal structures of the complexes revealed homoleptic mononuclear complexes with MN2O 2 coordination. The cobalt(II) (1) and zinc(II) (3) complexes display a pseudo-tetrahedral coordination geometry, whereas the copper(II) complex (2) exhibits a distorted square-planar coordination. The zinc(II) complex (3) emits at 460 nm with a twofold enhancement of emission with respect to the free iminophenol.

AB - A bidentate iminophenol (HL = 2-((4-methoxyphenylimino)methyl)-4,6-di-tert- butylphenol derived from condensation of 4-methoxyaniline and 3,5-di-tert-butyl-2-hydroxybenzaldehyde) was mixed with divalent metal salts to form the corresponding mononuclear metal complexes [MII(L) 2] (M = Co (1), Cu (2), and Zn (3)). The complexes are characterized by different spectroscopic and analytical tools. X-ray crystal structures of the complexes revealed homoleptic mononuclear complexes with MN2O 2 coordination. The cobalt(II) (1) and zinc(II) (3) complexes display a pseudo-tetrahedral coordination geometry, whereas the copper(II) complex (2) exhibits a distorted square-planar coordination. The zinc(II) complex (3) emits at 460 nm with a twofold enhancement of emission with respect to the free iminophenol.

KW - Crystal structure

KW - Fluorescence

KW - Iminophenol

KW - Transition metal complexes

KW - Zinc

UR - https://www.scopus.com/pages/publications/84888177993

U2 - 10.1080/00958972.2013.848979

DO - 10.1080/00958972.2013.848979

M3 - Article

AN - SCOPUS:84888177993

SN - 0095-8972

VL - 66

SP - 3619

EP - 3628

JO - Journal of Coordination Chemistry

JF - Journal of Coordination Chemistry

IS - 20

ER -

Synthesis, characterization, and crystal structures of cobalt(II), copper(II), and zinc(II) complexes of a bidentate iminophenol

Abstract

UN SDGs

Keywords

ASJC Scopus subject areas

Access to Document

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