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Raman Spectroscopy of Symmetric Oxyanions
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Abstract
We describe an affordable modular Raman spectrometer and its application to a study of symmetric oxyanions in aqueous solution. This experiment and a parallel investigation by computer modeling are intended for use in an undergraduate physical chemistry course. Observed and calculated frequencies for the symmetric stretching vibration of these ions are seen to follow periodic trends related to molecular electronic structure. The instrument is designed with an open architecture so that it may be used interchangeably in other advanced lab experiments such as fluorescence spectroscopy.
Keywords (Audience):
Upper-Division UndergraduateKeywords (Domain):
Laboratory InstructionKeywords (Pedagogy):
Hands-On Learning / ManipulativesKeywords (Subject):
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This article has been cited by 8 ACS Journal articles (5 most recent appear below).
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- Received: August 03, 2009
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