Detection of stereochemical nonrigidity in a metal tetrahydroborate and estimation of the barrier: 1H nuclear magnetic resonance study

Tobin Jay Marks, John R. Kolb

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Slowing of the dynamic interchange of bridge and terminal hydrogens in a metal tetrahydroborate has been observed for the first time in the low temperature 1H n.m.r. spectra of (C5H5) 3UBH4; at coalescence, ΔG* is ca. 5·0 ± 0·6 kcal mol-1 (21 ± 2·5 kJ mol -1).

Original languageEnglish (US)
Pages (from-to)1019-1020
Number of pages2
JournalJournal of the Chemical Society, Chemical Communications
Volume0
Issue number18
DOIs
StatePublished - Dec 1 1972

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Interchanges
Coalescence
Hydrogen
Magnetic Resonance Spectroscopy
Metals
Nuclear magnetic resonance
Temperature

ASJC Scopus subject areas

  • Molecular Medicine

Cite this

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abstract = "Slowing of the dynamic interchange of bridge and terminal hydrogens in a metal tetrahydroborate has been observed for the first time in the low temperature 1H n.m.r. spectra of (C5H5) 3UBH4; at coalescence, ΔG* is ca. 5·0 ± 0·6 kcal mol-1 (21 ± 2·5 kJ mol -1).",
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AB - Slowing of the dynamic interchange of bridge and terminal hydrogens in a metal tetrahydroborate has been observed for the first time in the low temperature 1H n.m.r. spectra of (C5H5) 3UBH4; at coalescence, ΔG* is ca. 5·0 ± 0·6 kcal mol-1 (21 ± 2·5 kJ mol -1).

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