Add time:08/21/2019         Source:sciencedirect.com

The surface-enhanced Raman scattering (SERS) of 2-methyl-1-propanethiol is investigated in a silver sol. As for other thiols, the molecule appears to be chemisorbed dissociatively on the silver surface by rupture of its SH bond. At the bulk concentration sufficient for full monolayer coverage, the PC conformer with a methyl group rans to the sulfur atom is found to be the most advantageous form on the surface. The vibrational assignments for the 2-methyl-1-propanethiol molecule are made by using the SERS data in conjunction with the previously reported normal-mode assignments for the corresponding alkyl chloride molecule, 1-chloro-2-methylpropane.

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