D
Douglas J. DeFrees
Researcher at University of California, Irvine
Publications - 32
Citations - 8003
Douglas J. DeFrees is an academic researcher from University of California, Irvine. The author has contributed to research in topics: Kinetic isotope effect & Molecular orbital. The author has an hindex of 19, co-authored 32 publications receiving 7378 citations.
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Journal ArticleDOI
Theoretical approach to substituent effects. Structures and stabilities of carbanions XCH2
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Binary association complexes of lithium monohydride, beryllium dihydride, and borane. Relative isomer stabilities and barrier heights for their interconversion: energy barriers in the dimerization reactions
Douglas J. DeFrees,Krishnan Raghavachari,H. B. Schlegel,John A. Pople,Paul von Ragué Schleyer +4 more
TL;DR: In this article, the authors examined the potential energy surfaces for the six compounds Li, BeH, LiBH/sub 3, LiH, BH, and BH/Sub 3.
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Molecular orbital theory of the properties of inorganic and organometallic compounds. 2. STO-NG basis sets for fourth-row main-group elements
William J. Pietro,Edward S. Blurock,Robert F. Hout,Warren J. Hehre,Douglas J. DeFrees,Robert F. Stewart +5 more
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Theoretical calculations of the aqueous medium effects on the basicities of primary amines
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Role of hyperconjugation if secondary BETA-deuterium isotope effects
Douglas J. DeFrees,M. Taagepera,Beverly A. Levi,Steven K. Pollack,Kim D. Summerhays,R.W. Traft,Max Wolfsberg,Warren J. Hehre +7 more
TL;DR: In this article, the effect of hyperconjugation of the magnitudes of secondary BETA-deuterium isotope effects has been investigated by ion cyclotron resonance spectroscopy and a b initio molecular orbital theory.