Systematic structural studies on cobalt(II) complexes of tricyclohexylphosphine oxide and related ligands

R Bou-Moreno; S A Cotton; V Hunter; K Leonard; A W G Platt; Paul R Raithby; Stefanie Schiffers

doi:10.1016/j.poly.2011.08.005

Systematic structural studies on cobalt(II) complexes of tricyclohexylphosphine oxide and related ligands

R Bou-Moreno, S A Cotton, V Hunter, K Leonard, A W G Platt, Paul R Raithby, Stefanie Schiffers

Department of Chemistry

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Abstract

The new cobalt(II) phosphine oxide complexes Co(Cy(3)PO)(2)Cl(2) (1), Co(Cy(3)PO)(2)Br(2) (2), Co(Cy(3)PO)(2)I(2) (3), Co(Ph(2)CyPO)(2)Cl(2) (4), Co(Ph(2)CyPO)(2)Br(2) (5), Co(Ph(2)CyPO)(2)I(2) (6), Co(Ph(2)EtPO)(2)Br(2) (7), Co(CY(3)PO)(2)(NCS)(2) (8) and Co(Cy(3)PO)(2)(NO(3))(2) (9) have been prepared mainly by the reaction of anhydrous CoX(2) (X = Cl, Br, I, NCS, NO(3)) with the appropriate phosphine oxide. The complexes were characterised by single-crystal X-ray crystallography supported by IR and UV-Vis absorption spectroscopy. The structural analyses show that the cobalt(II) centre adopts a distorted tetrahedral coordination geometry except for 9 which displays an octahedral geometry. Systematic structural features of these complexes are explained within this paper. (C) 2011 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	2832-2836
Number of pages	5
Journal	Polyhedron
Volume	30
Issue number	17
DOIs	https://doi.org/10.1016/j.poly.2011.08.005
Publication status	Published - 3 Nov 2011

Keywords

tetrahedral
cobalt (II) complex
phosphine oxide
X-ray structures

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10.1016/j.poly.2011.08.005

Raithby_Polyhedron_2011_30__17_2832.pdf
NOTICE: this is the author’s version of a work that was accepted for publication in Polyhedron. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Polyhedron, vol 30, issue 17, 2011, DOI 10.1016/j.poly.2011.08.005
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Cite this

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title = "Systematic structural studies on cobalt(II) complexes of tricyclohexylphosphine oxide and related ligands",

abstract = "The new cobalt(II) phosphine oxide complexes Co(Cy(3)PO)(2)Cl(2) (1), Co(Cy(3)PO)(2)Br(2) (2), Co(Cy(3)PO)(2)I(2) (3), Co(Ph(2)CyPO)(2)Cl(2) (4), Co(Ph(2)CyPO)(2)Br(2) (5), Co(Ph(2)CyPO)(2)I(2) (6), Co(Ph(2)EtPO)(2)Br(2) (7), Co(CY(3)PO)(2)(NCS)(2) (8) and Co(Cy(3)PO)(2)(NO(3))(2) (9) have been prepared mainly by the reaction of anhydrous CoX(2) (X = Cl, Br, I, NCS, NO(3)) with the appropriate phosphine oxide. The complexes were characterised by single-crystal X-ray crystallography supported by IR and UV-Vis absorption spectroscopy. The structural analyses show that the cobalt(II) centre adopts a distorted tetrahedral coordination geometry except for 9 which displays an octahedral geometry. Systematic structural features of these complexes are explained within this paper. (C) 2011 Elsevier Ltd. All rights reserved.",

keywords = "tetrahedral, cobalt (II) complex, phosphine oxide, X-ray structures",

author = "R Bou-Moreno and Cotton, {S A} and V Hunter and K Leonard and Platt, {A W G} and Raithby, {Paul R} and Stefanie Schiffers",

year = "2011",

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AU - Bou-Moreno, R

AU - Cotton, S A

AU - Hunter, V

AU - Leonard, K

AU - Platt, A W G

AU - Raithby, Paul R

AU - Schiffers, Stefanie

PY - 2011/11/3

Y1 - 2011/11/3

N2 - The new cobalt(II) phosphine oxide complexes Co(Cy(3)PO)(2)Cl(2) (1), Co(Cy(3)PO)(2)Br(2) (2), Co(Cy(3)PO)(2)I(2) (3), Co(Ph(2)CyPO)(2)Cl(2) (4), Co(Ph(2)CyPO)(2)Br(2) (5), Co(Ph(2)CyPO)(2)I(2) (6), Co(Ph(2)EtPO)(2)Br(2) (7), Co(CY(3)PO)(2)(NCS)(2) (8) and Co(Cy(3)PO)(2)(NO(3))(2) (9) have been prepared mainly by the reaction of anhydrous CoX(2) (X = Cl, Br, I, NCS, NO(3)) with the appropriate phosphine oxide. The complexes were characterised by single-crystal X-ray crystallography supported by IR and UV-Vis absorption spectroscopy. The structural analyses show that the cobalt(II) centre adopts a distorted tetrahedral coordination geometry except for 9 which displays an octahedral geometry. Systematic structural features of these complexes are explained within this paper. (C) 2011 Elsevier Ltd. All rights reserved.

AB - The new cobalt(II) phosphine oxide complexes Co(Cy(3)PO)(2)Cl(2) (1), Co(Cy(3)PO)(2)Br(2) (2), Co(Cy(3)PO)(2)I(2) (3), Co(Ph(2)CyPO)(2)Cl(2) (4), Co(Ph(2)CyPO)(2)Br(2) (5), Co(Ph(2)CyPO)(2)I(2) (6), Co(Ph(2)EtPO)(2)Br(2) (7), Co(CY(3)PO)(2)(NCS)(2) (8) and Co(Cy(3)PO)(2)(NO(3))(2) (9) have been prepared mainly by the reaction of anhydrous CoX(2) (X = Cl, Br, I, NCS, NO(3)) with the appropriate phosphine oxide. The complexes were characterised by single-crystal X-ray crystallography supported by IR and UV-Vis absorption spectroscopy. The structural analyses show that the cobalt(II) centre adopts a distorted tetrahedral coordination geometry except for 9 which displays an octahedral geometry. Systematic structural features of these complexes are explained within this paper. (C) 2011 Elsevier Ltd. All rights reserved.

KW - tetrahedral

KW - cobalt (II) complex

KW - phosphine oxide

KW - X-ray structures

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DO - 10.1016/j.poly.2011.08.005

M3 - Article

SN - 0277-5387

VL - 30

SP - 2832

EP - 2836

JO - Polyhedron

JF - Polyhedron

IS - 17

ER -

Systematic structural studies on cobalt(II) complexes of tricyclohexylphosphine oxide and related ligands

Abstract

Keywords

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Senior Fellowship - TIME RESOLVED CRYSTALLOGRAPHY

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Systematic structural studies on cobalt(II) complexes of tricyclohexylphosphine oxide and related ligands

Abstract

Keywords

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Senior Fellowship - TIME RESOLVED CRYSTALLOGRAPHY

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