Bis[(2-pyridyl)(2-pyridylamino)-methanolato]cobalt(III) perchlorate: A consequence of cobalt ion-assisted oxidative deamination of a tris(pyridyl)aminal ligand

Harry Adams; Musa S. Shongwe; Ibtisam Al-Bahri; Eiman Al-Busaidi; Michael J. Morris

doi:10.1107/S0108270105033913

Bis[(2-pyridyl)(2-pyridylamino)-methanolato]cobalt(III) perchlorate: A consequence of cobalt ion-assisted oxidative deamination of a tris(pyridyl)aminal ligand

Harry Adams^*, Musa S. Shongwe, Ibtisam Al-Bahri, Eiman Al-Busaidi, Michael J. Morris

^*Corresponding author for this work

Chemistry

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Abstract

The title compound, [Co(C₁₁H₁₀N₃O) ₂]ClO₄, designated [Co(L₂)₂]ClO ₄, was synthesized by reaction of Co^II with two molar equivalents of (2-pyridyl)bis(2-pyridylamino)methane (L₁) under ambient conditions, whereby the divalent metal ion was oxidized concomitantly with oxygenation and deamination of the aminal polydentate ligand to generate the tridentate ligand anion (2-pyridyl)(2-pyridylamino)methanolate, L ₂^-. In the X-ray crystal structure of the complex cation, [Co(L₂)₂]⁺, the two L₂^- ligands are coordinated to the central cobalt(III) metal ion in a facial mode to afford a pseudooctahedral geometry. The four pyridyl N atoms constitute the equatorial plane on which the cobalt(III) ion lies; the methanolate O atoms occupy the axial positions.

Original language	English
Pages (from-to)	m497-m500
Journal	Acta Crystallographica Section C: Crystal Structure Communications
Volume	61
Issue number	12
DOIs	https://doi.org/10.1107/S0108270105033913
Publication status	Published - Dec 2005

ASJC Scopus subject areas

General Biochemistry,Genetics and Molecular Biology

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Adams, H., Shongwe, M. S., Al-Bahri, I., Al-Busaidi, E., & Morris, M. J. (2005). Bis[(2-pyridyl)(2-pyridylamino)-methanolato]cobalt(III) perchlorate: A consequence of cobalt ion-assisted oxidative deamination of a tris(pyridyl)aminal ligand. Acta Crystallographica Section C: Crystal Structure Communications, 61(12), m497-m500. https://doi.org/10.1107/S0108270105033913

Bis[(2-pyridyl)(2-pyridylamino)-methanolato]cobalt(III) perchlorate: A consequence of cobalt ion-assisted oxidative deamination of a tris(pyridyl)aminal ligand. / Adams, Harry; Shongwe, Musa S.; Al-Bahri, Ibtisam et al.
In: Acta Crystallographica Section C: Crystal Structure Communications, Vol. 61, No. 12, 12.2005, p. m497-m500.

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

Adams, H, Shongwe, MS, Al-Bahri, I, Al-Busaidi, E & Morris, MJ 2005, 'Bis[(2-pyridyl)(2-pyridylamino)-methanolato]cobalt(III) perchlorate: A consequence of cobalt ion-assisted oxidative deamination of a tris(pyridyl)aminal ligand', Acta Crystallographica Section C: Crystal Structure Communications, vol. 61, no. 12, pp. m497-m500. https://doi.org/10.1107/S0108270105033913

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title = "Bis[(2-pyridyl)(2-pyridylamino)-methanolato]cobalt(III) perchlorate: A consequence of cobalt ion-assisted oxidative deamination of a tris(pyridyl)aminal ligand",

abstract = "The title compound, [Co(C11H10N3O) 2]ClO4, designated [Co(L2)2]ClO 4, was synthesized by reaction of CoII with two molar equivalents of (2-pyridyl)bis(2-pyridylamino)methane (L1) under ambient conditions, whereby the divalent metal ion was oxidized concomitantly with oxygenation and deamination of the aminal polydentate ligand to generate the tridentate ligand anion (2-pyridyl)(2-pyridylamino)methanolate, L 2-. In the X-ray crystal structure of the complex cation, [Co(L2)2]+, the two L2- ligands are coordinated to the central cobalt(III) metal ion in a facial mode to afford a pseudooctahedral geometry. The four pyridyl N atoms constitute the equatorial plane on which the cobalt(III) ion lies; the methanolate O atoms occupy the axial positions.",

author = "Harry Adams and Shongwe, {Musa S.} and Ibtisam Al-Bahri and Eiman Al-Busaidi and Morris, {Michael J.}",

year = "2005",

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T1 - Bis[(2-pyridyl)(2-pyridylamino)-methanolato]cobalt(III) perchlorate

T2 - A consequence of cobalt ion-assisted oxidative deamination of a tris(pyridyl)aminal ligand

AU - Adams, Harry

AU - Shongwe, Musa S.

AU - Al-Bahri, Ibtisam

AU - Al-Busaidi, Eiman

AU - Morris, Michael J.

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Y1 - 2005/12

N2 - The title compound, [Co(C11H10N3O) 2]ClO4, designated [Co(L2)2]ClO 4, was synthesized by reaction of CoII with two molar equivalents of (2-pyridyl)bis(2-pyridylamino)methane (L1) under ambient conditions, whereby the divalent metal ion was oxidized concomitantly with oxygenation and deamination of the aminal polydentate ligand to generate the tridentate ligand anion (2-pyridyl)(2-pyridylamino)methanolate, L 2-. In the X-ray crystal structure of the complex cation, [Co(L2)2]+, the two L2- ligands are coordinated to the central cobalt(III) metal ion in a facial mode to afford a pseudooctahedral geometry. The four pyridyl N atoms constitute the equatorial plane on which the cobalt(III) ion lies; the methanolate O atoms occupy the axial positions.

AB - The title compound, [Co(C11H10N3O) 2]ClO4, designated [Co(L2)2]ClO 4, was synthesized by reaction of CoII with two molar equivalents of (2-pyridyl)bis(2-pyridylamino)methane (L1) under ambient conditions, whereby the divalent metal ion was oxidized concomitantly with oxygenation and deamination of the aminal polydentate ligand to generate the tridentate ligand anion (2-pyridyl)(2-pyridylamino)methanolate, L 2-. In the X-ray crystal structure of the complex cation, [Co(L2)2]+, the two L2- ligands are coordinated to the central cobalt(III) metal ion in a facial mode to afford a pseudooctahedral geometry. The four pyridyl N atoms constitute the equatorial plane on which the cobalt(III) ion lies; the methanolate O atoms occupy the axial positions.

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Bis[(2-pyridyl)(2-pyridylamino)-methanolato]cobalt(III) perchlorate: A consequence of cobalt ion-assisted oxidative deamination of a tris(pyridyl)aminal ligand

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