1H nuclear magnetic resonance study of the exchange reaction between the complex trimethylphosphine–trimethylborane and its components. Part I. Trimethylphosphine in excess

1971 ◽  
Vol 0 (0) ◽  
pp. 2574-2577 ◽  
Author(s):  
K. J. Alford ◽  
E. O. Bishop ◽  
P. R. Carey ◽  
J. D. Smith
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Exchange Reaction ◽  
Nuclear Magnetic Resonance Study ◽  
Magnetic Resonance Study ◽  
1H Nuclear Magnetic Resonance ◽  
Nuclear Magnetic

The exchange of acetonitrile on iron(II) in acetonitrile solvent. A nitrogen-14 nuclear magnetic resonance study

1971 ◽  
Vol 24 (6) ◽  
pp. 1169 ◽  
Author(s):  
RJ West ◽  
SF Lincoln
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Exchange Reaction ◽  
Nuclear Magnetic Resonance Study ◽  
Magnetic Resonance Study ◽  
Rate Law ◽  
Nuclear Magnetic

A 14N n.m.r. study of the exchange reaction Fe(CH3CN)62+ ╲ CH3CN in CH3CN solvent is reported. The value for k 1 (25°C) from the rate law R = 6k1[Fe(CH3CN)62+] is (5.5 ± 0.8) × 105 s-1, ΔH‡ = 9.7 ± 0.7 kcal mol-1, ΔS‡ = 0.3 ± 2.2 cal mol-1 K-1, and A/h = 5.0 × 106 Hz. These data are compared with those of related systems.

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