✦ LIBER ✦
Ultrasonic study of rotational isomerism in methyl and ethyl formates using a plano-concave resonator
✍ Scribed by P.-K. Choi; Y. Naito; K. Takagi
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 326 KB
- Volume
- 121
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
✦ Synopsis
Roralional isometic relaxations are obsenecd in methyl and ethyl formares using Ihe plano-concave ullrssonic rcsonaIor method Analysis or ulxwzmic ahsorplion speclra in Ihr O-l-2 MHz range and over the wmpera~ure range rrom 10" 10 50°C yields aclivalion energies AH' = 9.9 and 8.9 kcal/mol. and energy dilrercnces 1 H = 2.4 and 2.2 kcal/mol Tar methyl and crhyl rormates.