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Elsevier, Chemical Physics Letters, (591), p. 130-132

DOI: 10.1016/j.cplett.2013.11.010

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Spatially separated polar samples of the cis and trans conformers of 3-fluorophenol

Journal article published in 2014 by Thomas Kierspel ORCID, Daniel A. Horke, Yuan-Pin Chang, Jochen Küpper ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We demonstrate the spatial separation of the cis- and trans-conformers of 3-fluorophenol in the gas phasebased on their distinct electric dipole moments. For both conformers we create very polar samples oftheir lowest-energy rotational quantum states. A >95% pure beam of trans-3-fluorophenol and a >90%pure beam of the lowest-energy rotational states of the less polar cis-3-fluorophenol were obtained forhelium and neon supersonic expansions, respectively. This is the first demonstration of the spatial separationof the lowest-energy rotational states of the least polar conformer, which is necessary for strongalignment and orientation of all individual conformers.