NDLI: Neutral one-dimensional metal chains consisting of alternating anionic and cationic rhodium complexes

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Oresmaa, Larisa Haukka, Matti Hirva, Pipsa Laurila, Elina Hassinen, Jorma
Description	Author Affiliation: Laurila E ( Department of Chemistry, University of Eastern Finland, Joensuu Campus, P.O. Box 111, FI-80101 Joensuu, Finland.)
Abstract	The metallophilic interactions were investigated within chains of oppositely charged rhodium carbonyl complexes. The cationic $[Rh(CO)_{2}(L)]^{+}$ (L = 2,2′-bipyridine and 1,10-phenanthroline ) and anionic $[RhCl_{2}(CO)_{2}]^{−}$ units were self-assembled into one dimensional rhodium chains supported by electrostatic interactions. The array of Rh centers in $\{[Rh(CO)_{2}(2,2′-bpy)][RhCl_{2}(CO)_{2}]\}_{n}$ was found to be nearly linear with a Rh⋯Rh⋯Rh angle of 170.927(11)° and Rh⋯Rh distances of 3.3174(5) Å and 3.4116(5) Å. The crystal structure of $\{[Rh(CO)_{2}(1,10-phen)][RhCl_{2}(CO)_{2}]\}$ consisted of two sets of crystallographically independent chains with slightly different Rh⋯Rh⋯Rh angles (170.275(9)° and 159.573(9)°). The higher linearity allowed closer packing of the rhodium complexes. The Rh⋯Rh distances were 3.2734(3) Å and 3.3155(3) Å for the more linear and 3.3498(3) Å and 3.3211(3) Å for the less linear system. The existence of metallophilic interactions was confirmed computationally by TD-DFT and QTAIM analysis. The computational results also indicated that the intermolecular charge transfer from the cation to the anion had a significant contribution to the absorption properties of the chain compounds.
ISSN	14779226
Issue Number	2
Journal	Dalton Trans.
Volume Number	42
e-ISSN	13645447
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2013-01-14
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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