Calculated lifetime and decay mechanism of the 991 cm−1 mode in crystalline benzene at 1.6 K |
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| Authors: | R Righini PF Fracassi RGDella Valle |
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| Institution: | Instituto di Chimica Fisica, Università di Firenze, via G. Capponi 9, 50121 Florence, Italy |
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| Abstract: | The lifetime of the 991 cm?1 Ag mode in benzene crystal at 1.6 K has been calculated in good agreement with the experimental value. The main decay mechanism has been shown to consist of a three-phonon scattering involving the ν10 860 cm?1 e2g internal vibration and high-frequency lattice modes. |
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