Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 126, Issue 24, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2752152
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We study the conformational reorganization of formic acid (FA) in solid neon and report the higher-energy cis-FA monomer and one form of the trans-cis FA dimers. They were prepared by selective vibrational excitation of the trans-FA monomer and trans-trans dimer. The proton tunneling decay of cis-FA monomer is surprisingly very fast in solid neon, two orders of magnitude faster than in solid argon. It was also found that the stability of the trans-cis dimer against proton tunneling is enormously enhanced in solid neon compared to the monomer (by a factor of similar to 300). These results are discussed in terms of matrix solvation and hydrogen bonding. (c) 2007 American Institute of Physics.
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