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Exchange Rates of Ligands in Complex Ions
Author(s) -
Pearson R. G.,
Anderson Mary M.
Publication year - 1965
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.196502811
Subject(s) - ion , microsecond , paramagnetism , molecule , range (aeronautics) , millisecond , chemistry , atomic physics , materials science , physics , condensed matter physics , optics , organic chemistry , astronomy , composite material
Abstract It is possible to study the very rapid exchange rates between molecules or ions, L, coordinated to paramagnetic ions and the free molecules or ions, L * , in the body of the solution by measuring the line width of the NMR signal of L * .\documentclass{article}\usepackage{amssymb}\pagestyle{empty}\begin{document}$${\rm ML}_{\rm n} + {\rm L}^{*} \rightleftharpoons {\rm ML}_{\rm n}^{*} + {\rm L}$$\end{document} Lifetimes of coordinated ligands that can be measured fall into the range of milliseconds to microseconds. The lifetime, or an upper limit to the lifetime, can be measured directly.