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Helical supramolecular assemblies of {2,4,6-[Cp*Rh(E2-1,2-C2B10H10)(NC5H4CH2S)]3(triazine)} (E = S, Se) shaped by Cp*-toluene-Cp* .pi.-stacking forces and BH-pyridine hydrogen bonding


Wang, G L; Lin, Y J; Blacque, O; Berke, H; Jin, G X (2008). Helical supramolecular assemblies of {2,4,6-[Cp*Rh(E2-1,2-C2B10H10)(NC5H4CH2S)]3(triazine)} (E = S, Se) shaped by Cp*-toluene-Cp* .pi.-stacking forces and BH-pyridine hydrogen bonding. Inorganic Chemistry, (47):2940-2942.

Abstract

Dendritic half-sandwich rhodium carborane trimers, [Cp*Rh(1,2-E2-1,2-C2B10H10)]3(tpst) [2a,b; Cp* = .eta.5-C5Me5, tpst = 2,4,6-tris(4-pyridinyl-.kappa.N)methylthio-1,3,5-triazine, E = S, Se] were prepd. by complexation of [Cp*Rh(1,2-E2-1,2-C2B10H10)] with tpst ligand. The complexes 2a,b form toluene solvates in the solid state showing infinitely connected [(2a,b)-(toluene)] helixes. The chains of these supramols. are held together by Cp*-toluene-Cp* .pi.-stacking interactions of two of the three Cp* ligands of the bell-shaped 2a and 2b mols. Unconventional BH.delta.--pyridyl.delta.+ arom. hydrogen bonding enforces the bell-shapes of the mol. units, and the Cp* conformations are expected to induce the supramol. structures.

Dendritic half-sandwich rhodium carborane trimers, [Cp*Rh(1,2-E2-1,2-C2B10H10)]3(tpst) [2a,b; Cp* = .eta.5-C5Me5, tpst = 2,4,6-tris(4-pyridinyl-.kappa.N)methylthio-1,3,5-triazine, E = S, Se] were prepd. by complexation of [Cp*Rh(1,2-E2-1,2-C2B10H10)] with tpst ligand. The complexes 2a,b form toluene solvates in the solid state showing infinitely connected [(2a,b)-(toluene)] helixes. The chains of these supramols. are held together by Cp*-toluene-Cp* .pi.-stacking interactions of two of the three Cp* ligands of the bell-shaped 2a and 2b mols. Unconventional BH.delta.--pyridyl.delta.+ arom. hydrogen bonding enforces the bell-shapes of the mol. units, and the Cp* conformations are expected to induce the supramol. structures.

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Additional indexing

Contributors:Shanghai Key Laboratory of Molecular Catalysis and Innovative Material Department of Chemistry, Fudan University, Shanghai, PRC
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2008
Deposited On:15 Feb 2009 12:03
Last Modified:05 Apr 2016 12:59
Publisher:American Chemical Society
ISSN:0020-1669
Publisher DOI:10.1021/ic800105h
Permanent URL: http://doi.org/10.5167/uzh-13235

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