STRUCTURAL DETERMINATION FOR ACETYLENE PHYSISORBED ONTO NaC1 (100)
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Date
1990
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Ohio State University
Abstract
The IR absorption spectrum of monolayer acetylene on a single crystal of NaC1 was obtained in $3200 cm^{-1}$ region. From results using $E_{s}$ and $E_{p}$ polarized light, the molecular axis of acetylene was determined to lie parallel to the substrate surface. Results were found to be consistent with a monolayer made up of a series of hydrogen-bonded chains in which half of the acetylene molecules act as proton acceptors and half act as proton donors. This monolayer structure is directly analogous to the T-shaped gas phase dimer
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Author Institution: Department of Chemistry, Indiana University