Quantum Solvation of Carbonyl Sulfide with Helium Atoms

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DOIResolve DOI: http://doi.org/10.1126/science.1073718
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TypeArticle
Journal titleScience
Volume297
Issue5589
Pages20302033; # of pages: 4
AbstractHigh-resolution infrared and microwave spectra of HeN-carbonyl sulfide (HeN-OCS) clusters with N ranging from 2 to 8 have been detected and unambiguously assigned. The spectra show the formation of a solvation layer beginning with an equatorial "donut" of five helium atoms around the OCS molecule. The cluster moment of inertia increases as a function of N and overshoots the liquid droplet limit for N > 5, implying that even atoms in the first solvation shell are decoupled from the OCS rotation in helium nanodroplets. To the extent that this is due to superfluidity, the results directly explore the microscopic evolution of a phenomenon that is formally macroscopic in nature.
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AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12329180
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Record identifierb32928e1-d92f-4747-b050-be617f102e56
Record created2009-09-10
Record modified2016-05-09
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