Bridged multiclusters derived from the face-capped octahedral [Re6/III(μ3-Se)8]2+ cluster core

Hugh D. Selby; Zhiping Zheng; Thomas G. Gray; Richard H. Holm

doi:10.1016/S0020-1693(00)00324-8

Bridged multiclusters derived from the face-capped octahedral [Re₆/^III(μ₃-Se)₈]²⁺ cluster core

Hugh D. Selby, Zhiping Zheng, Thomas G. Gray, Richard H. Holm

Chemistry and Biochemistry

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

44 Scopus citations

Abstract

The face-capped octahedral cluster cis-[Re₆(μ₃-Se)₈ (PEt₃)₄(MeCN)₂] (SbF₆)₂, site-differentiated with protecting PEt₃ and substitutionally labile MeCN ligands, reacts with bidentate ligands (L) 4,4′-bipyridyl, (E)-1,2-bis(4-pyridyl)ethene, and 1,2-bis(4-pyridyl)ethane to give the first examples of cluster-based molecular squares of the general formula cyclo-[Re₆(μ₃-Se)₈ (PEt₃)₄L]₄-(SbF₆)₈. The complexes were characterized by microanalysis, ¹H and ³¹P NMR, and time-of-flight electrospray ionization mass spectrometry. Cyclic voltammetry reveals in each case one quasi-reversible oxidation and, for two compounds, one reversible and one irreversible reduction process.

Original language	English (US)
Pages (from-to)	205-209
Number of pages	5
Journal	Inorganica Chimica Acta
Volume	312
Issue number	1-2
DOIs	https://doi.org/10.1016/S0020-1693(00)00324-8
State	Published - Jan 29 2001

Keywords

Clusters
Electrochemistry
Mass spectrometry
Rhenium
Supramolecular assemblies

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

Access to Document

10.1016/S0020-1693(00)00324-8

Cite this

@article{7e94ea0db9214f3cb22c1f2a5a350b42,

title = "Bridged multiclusters derived from the face-capped octahedral [Re6/III(μ3-Se)8]2+ cluster core",

abstract = "The face-capped octahedral cluster cis-[Re6(μ3-Se)8 (PEt3)4(MeCN)2] (SbF6)2, site-differentiated with protecting PEt3 and substitutionally labile MeCN ligands, reacts with bidentate ligands (L) 4,4′-bipyridyl, (E)-1,2-bis(4-pyridyl)ethene, and 1,2-bis(4-pyridyl)ethane to give the first examples of cluster-based molecular squares of the general formula cyclo-[Re6(μ3-Se)8 (PEt3)4L]4-(SbF6)8. The complexes were characterized by microanalysis, 1H and 31P NMR, and time-of-flight electrospray ionization mass spectrometry. Cyclic voltammetry reveals in each case one quasi-reversible oxidation and, for two compounds, one reversible and one irreversible reduction process.",

keywords = "Clusters, Electrochemistry, Mass spectrometry, Rhenium, Supramolecular assemblies",

author = "Selby, {Hugh D.} and Zhiping Zheng and Gray, {Thomas G.} and Holm, {Richard H.}",

note = "Funding Information: This work was supported by the University of Arizona and Research Corporation (Z.Z.). Acknowledgement is also made to the donors of the Petroleum Research Fund, administered by the American Chemical Society, for partial support of this research (Z.Z.). Research at Harvard University was supported by National Science Foundation grant CHE 98-76457. T.G.G. acknowledges an NSF predoctoral fellowship. ",

year = "2001",

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doi = "10.1016/S0020-1693(00)00324-8",

language = "English (US)",

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pages = "205--209",

journal = "Inorganica Chimica Acta",

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T1 - Bridged multiclusters derived from the face-capped octahedral [Re6/III(μ3-Se)8]2+ cluster core

AU - Selby, Hugh D.

AU - Zheng, Zhiping

AU - Gray, Thomas G.

AU - Holm, Richard H.

N1 - Funding Information: This work was supported by the University of Arizona and Research Corporation (Z.Z.). Acknowledgement is also made to the donors of the Petroleum Research Fund, administered by the American Chemical Society, for partial support of this research (Z.Z.). Research at Harvard University was supported by National Science Foundation grant CHE 98-76457. T.G.G. acknowledges an NSF predoctoral fellowship.

PY - 2001/1/29

Y1 - 2001/1/29

N2 - The face-capped octahedral cluster cis-[Re6(μ3-Se)8 (PEt3)4(MeCN)2] (SbF6)2, site-differentiated with protecting PEt3 and substitutionally labile MeCN ligands, reacts with bidentate ligands (L) 4,4′-bipyridyl, (E)-1,2-bis(4-pyridyl)ethene, and 1,2-bis(4-pyridyl)ethane to give the first examples of cluster-based molecular squares of the general formula cyclo-[Re6(μ3-Se)8 (PEt3)4L]4-(SbF6)8. The complexes were characterized by microanalysis, 1H and 31P NMR, and time-of-flight electrospray ionization mass spectrometry. Cyclic voltammetry reveals in each case one quasi-reversible oxidation and, for two compounds, one reversible and one irreversible reduction process.

AB - The face-capped octahedral cluster cis-[Re6(μ3-Se)8 (PEt3)4(MeCN)2] (SbF6)2, site-differentiated with protecting PEt3 and substitutionally labile MeCN ligands, reacts with bidentate ligands (L) 4,4′-bipyridyl, (E)-1,2-bis(4-pyridyl)ethene, and 1,2-bis(4-pyridyl)ethane to give the first examples of cluster-based molecular squares of the general formula cyclo-[Re6(μ3-Se)8 (PEt3)4L]4-(SbF6)8. The complexes were characterized by microanalysis, 1H and 31P NMR, and time-of-flight electrospray ionization mass spectrometry. Cyclic voltammetry reveals in each case one quasi-reversible oxidation and, for two compounds, one reversible and one irreversible reduction process.

KW - Clusters

KW - Electrochemistry

KW - Mass spectrometry

KW - Rhenium

KW - Supramolecular assemblies

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