Synthesis and structure of a tetranuclear copper(II) 3,5-di-tert-butylcatecholate pyridine complex, [Cu(DTBC)Py]4 · 2CH3CN

M. M. Olmstead, P. P. Power, G. Speier, Z. Tyeklár

Research output: Contribution to journalArticle

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Abstract

The tetranuclear copper(II)-catecholate complex, [Cu(3,5-di-tert-butylcatecholate) (pyridine)]4 · 2CH3CN has been isolated from the reaction between Cu(0), pyridine and 3,5-di-tert-butyl-o-benzoquinone in acetonitrile solution in nearly quantitative yield. Brown crystals of C80H106N6O8Cu4 are orthorhombic, space group P212121, with a = 13.395(5), b = 24.287(11), c = 24.918(11) Å, Z = 4. The crystal structure determination allows for the cluster to be formulated as four square planar Cu(II) ions, each bonded to two oxygens of chelating catecholate, a pyridine nitrogen and a bridging oxygen from a neighbouring catecholate. The Cu Cu distances range from 3.152(1) to 3.572(1) Å. The tetranuclear complex exhibits an approximate parallel stacking of two pairs of coordination planes that is suggestive of a through-space pathway for antiferromagnetic interaction. It may also have a bearing on the observed catalytic oxidation by O2 in solution.

Original languageEnglish
Pages (from-to)609-614
Number of pages6
JournalPolyhedron
Volume7
Issue number8
DOIs
Publication statusPublished - 1988

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Pyridine
Copper
pyridines
copper
synthesis
Oxygen
Catalytic oxidation
quinones
oxygen
Chelation
Acetonitrile
acetonitrile
Nitrogen
Crystal structure
Ions
nitrogen
Crystals
oxidation
crystal structure
crystals

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Synthesis and structure of a tetranuclear copper(II) 3,5-di-tert-butylcatecholate pyridine complex, [Cu(DTBC)Py]4 · 2CH3CN. / Olmstead, M. M.; Power, P. P.; Speier, G.; Tyeklár, Z.

In: Polyhedron, Vol. 7, No. 8, 1988, p. 609-614.

Research output: Contribution to journalArticle

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abstract = "The tetranuclear copper(II)-catecholate complex, [Cu(3,5-di-tert-butylcatecholate) (pyridine)]4 · 2CH3CN has been isolated from the reaction between Cu(0), pyridine and 3,5-di-tert-butyl-o-benzoquinone in acetonitrile solution in nearly quantitative yield. Brown crystals of C80H106N6O8Cu4 are orthorhombic, space group P212121, with a = 13.395(5), b = 24.287(11), c = 24.918(11) {\AA}, Z = 4. The crystal structure determination allows for the cluster to be formulated as four square planar Cu(II) ions, each bonded to two oxygens of chelating catecholate, a pyridine nitrogen and a bridging oxygen from a neighbouring catecholate. The Cu Cu distances range from 3.152(1) to 3.572(1) {\AA}. The tetranuclear complex exhibits an approximate parallel stacking of two pairs of coordination planes that is suggestive of a through-space pathway for antiferromagnetic interaction. It may also have a bearing on the observed catalytic oxidation by O2 in solution.",
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AU - Power, P. P.

AU - Speier, G.

AU - Tyeklár, Z.

PY - 1988

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N2 - The tetranuclear copper(II)-catecholate complex, [Cu(3,5-di-tert-butylcatecholate) (pyridine)]4 · 2CH3CN has been isolated from the reaction between Cu(0), pyridine and 3,5-di-tert-butyl-o-benzoquinone in acetonitrile solution in nearly quantitative yield. Brown crystals of C80H106N6O8Cu4 are orthorhombic, space group P212121, with a = 13.395(5), b = 24.287(11), c = 24.918(11) Å, Z = 4. The crystal structure determination allows for the cluster to be formulated as four square planar Cu(II) ions, each bonded to two oxygens of chelating catecholate, a pyridine nitrogen and a bridging oxygen from a neighbouring catecholate. The Cu Cu distances range from 3.152(1) to 3.572(1) Å. The tetranuclear complex exhibits an approximate parallel stacking of two pairs of coordination planes that is suggestive of a through-space pathway for antiferromagnetic interaction. It may also have a bearing on the observed catalytic oxidation by O2 in solution.

AB - The tetranuclear copper(II)-catecholate complex, [Cu(3,5-di-tert-butylcatecholate) (pyridine)]4 · 2CH3CN has been isolated from the reaction between Cu(0), pyridine and 3,5-di-tert-butyl-o-benzoquinone in acetonitrile solution in nearly quantitative yield. Brown crystals of C80H106N6O8Cu4 are orthorhombic, space group P212121, with a = 13.395(5), b = 24.287(11), c = 24.918(11) Å, Z = 4. The crystal structure determination allows for the cluster to be formulated as four square planar Cu(II) ions, each bonded to two oxygens of chelating catecholate, a pyridine nitrogen and a bridging oxygen from a neighbouring catecholate. The Cu Cu distances range from 3.152(1) to 3.572(1) Å. The tetranuclear complex exhibits an approximate parallel stacking of two pairs of coordination planes that is suggestive of a through-space pathway for antiferromagnetic interaction. It may also have a bearing on the observed catalytic oxidation by O2 in solution.

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