Perspectives

Transition State Spectroscopy

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Science  07 Jun 1996:
Vol. 272, Issue 5267, pp. 1446-1447
DOI: 10.1126/science.272.5267.1446

Summary

Before reactants become products in a chemical reaction, they pass through an intermediate condition called the transition state. Because it lasts for a short time, the transition state is hard to observe. In his Perspective, Neumark describes results reported by Wenthold et al., on page 1456, in which lasers were used to create the transition state and probe its energy level.

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