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  3. Cationic carbonyl complexes of rhodium(I) and rhodium(III): Syntheses, vibrational spectra, NMR studies, and molecular structures of tetrakis(carbonyl)rhodium(I) heptachlorodialuminate and -gallate, [Rh(CO)(4)][Al2Cl7] and [Rh(CO)(4)][Ga2Cl7]

Cationic carbonyl complexes of rhodium(I) and rhodium(III): Syntheses, vibrational spectra, NMR studies, and molecular structures of tetrakis(carbonyl)rhodium(I) heptachlorodialuminate and -gallate, [Rh(CO)(4)][Al2Cl7] and [Rh(CO)(4)][Ga2Cl7]

TitleCationic carbonyl complexes of rhodium(I) and rhodium(III): Syntheses, vibrational spectra, NMR studies, and molecular structures of tetrakis(carbonyl)rhodium(I) heptachlorodialuminate and -gallate, [Rh(CO)(4)][Al2Cl7] and [Rh(CO)(4)][Ga2Cl7]
Publication TypeJournal Article
Year of Publication2003
Authorsvon Ahsen, B, Bach, C, Berkei, M, Kockerling, M, Willner, H, Hagele, G, Aubke, F
JournalInorganic Chemistry
Volume42
Pagination3801-3814
Date PublishedJun
Type of ArticleArticle
ISBN Number0020-1669
KeywordsACIDS, ANIONS, CO, CRYSTAL, EXCHANGE, IR, metals, MONOXIDE, RH, UNDECAFLUORODIANTIMONATE(V)
Abstract

{Dimeric rhodium(I) bis(carbonyl) chloride, [Rh(CO)(2)(mu-Cl)](2), is found to be a useful and convenient starting material for the syntheses of new cationic carbonyl complexes of both rhodium(l) and rhodium(III). Its reaction with the Lewis acids AlCl3 or GaCl3 produces in a CO atmosphere at room temperature the salts [Rh(CO)(4)][M2CI7] (M = Al, Ga), which are characterized by Raman spectroscopy and single-crystal X-ray diffraction. Crystal data for [Rh(CO)(4)][Al2Cl7]: triclinic, space group P1 (No. 2); a = 9.705(3)
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