2002
DOI: 10.1002/1521-3773(20021018)41:20<3785::aid-anie3785>3.0.co;2-0
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Rhodium Tetracarbonyl Hydride: The Elusive Metal Carbonyl Hydride

Abstract: One of the missing links in the chemistry of rhodium is the spectroscopic identification of the simple, unmodified rhodium carbonyl hydride [HRh(CO) 4 ]. Pure-component spectra of this compound and its deuterium analogue, [DRh(CO) 4 ], were obtained by investigating solutions of [Rh 4 (CO) 12 ] in n-hexane upon exposure to varying partial pressures of H 2 /CO and D 2 /CO. The in situ high-pressure FTIR spectra were measured and subjected to band-target entropy minimization (BTEM), an advanced signal-processing… Show more

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Cited by 76 publications
(71 citation statements)
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“…In addition, it can frequently recover the pure component spectra of underlying species including trace constituents possessing considerably less than 1% of the total measured signal. [27,30] It has also been effectively used in situations where considerable background signal or fluorescence may complicate the analysis of experimental spectra. [31] Most recently, BTEM has begun to be used in the area of authentication.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, it can frequently recover the pure component spectra of underlying species including trace constituents possessing considerably less than 1% of the total measured signal. [27,30] It has also been effectively used in situations where considerable background signal or fluorescence may complicate the analysis of experimental spectra. [31] Most recently, BTEM has begun to be used in the area of authentication.…”
Section: Introductionmentioning
confidence: 99%
“…[24] One of the particular advantages in using BTEM is its ability to recover the pure component spectra of the trace constituents (i.e. present at ppm concentrations or less), as demonstrated in several in situ spectroscopic studies of complex reactions, [25] mixed metal oxide characterizations, [26] pharmaceutical tablets, [27] biological samples, [28] etc. In this work, BTEM is used to identify and reconstruct the pure component of the species observed during solid thermally induced phase transformations.…”
Section: Introductionmentioning
confidence: 99%
“…For example, the formation of the transient [HRh(CO) 4 ] -known to be active for hydroformylation [10] -by reaction of [Rh 4 (CO) 12 ] with H 2 /CO was observed recently. [11] Regarding the aforementioned hydroformylation reactions with metal colloids as catalyst precursors, the question arises whether colloidal particles themselves can be active at their surfaces, or whether the colloidal particles act as a reservoir for mononuclear species (Scheme 1).…”
Section: Introductionmentioning
confidence: 99%