An Experimental Look into Subelectron Charge Flow

Roie Yerushalmi, Kim K. Baldridge, Avigdor Scherz*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The prediction and measurement of charge distribution among interacting chemical entities in complex environments is a major challenge for modern chemistry. It encompasses information concerning fundamental quantities such as the electronic chemical potential and hardness of molecular fragments as well as their interactions with the surroundings. Although a wealth of theoretical work has been accumulated from the days of Pauling to the present, a specific molecular model system that allows quantitative and direct measurement of these properties has not yet been reported. Because atomic charges are not quantum mechanical observables, they cannot be derived from first principles, but rather they rely on the availability of high-precision experimental data and the interpretation of related experimental observables. Here, we demonstrate, for the first time, that a fragmental charge flow between a chelated metal center and reversibly bound molecules can be accurately monitored experimentally.

Original languageAmerican English
Pages (from-to)12706-12707
Number of pages2
JournalJournal of the American Chemical Society
Issue number42
StatePublished - 22 Oct 2003
Externally publishedYes


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