ISSN:
0749-1581
Keywords:
Hexaaquarhodium(III)
;
17O variable pressure NMR
;
Water exchange
;
Chemistry
;
Analytical Chemistry and Spectroscopy
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Rate constants and activation parameters for water exchange on hexaaqua- and monohydroxypentaaquarhodium(III) were determined by 17O NMR as a function of temperature (323-364 K) and pressure (up to 210 MPa, at 323 K) at several acidities (1.0-5.0 molal HClO4). The observed rate constant was of the form kex = k1 + k2/[H+], where the subscripts 1 and 2 refer to the exchange pathways on Rh(H2O)63+ and Rh(H2O)5(OH)2+, respectively. The kinetic parameters are as follows: k1298 = 2.2 × 10-9 s-1, ΔH1
Additional Material:
4 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/mrc.1260291311
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