An ESR study on Jahn–Teller effect in corannulene monoanion
作者： Tohru Sato , Atsushi Yamamoto , Hideaki Tanaka
DOI: 10.1016/S0009-2614(00)00759-4
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摘要: Abstract Solution ESR spectra of alkali-metal-doped corannulene monoanion, C 20 H 10 − , have been observed from RT to 183 K. Eleven peaks 273 As the decrease temperature, 11 signals due ten equivalent protons split into complicated ones. This behavior has interpreted in terms pseudorotation about 5 v Jahn–Teller crossing. The potential barriers between five s wells originating fifth-order anharmonic term estimated be ca. 2.2×10 −3 eV.
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