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Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex
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Chemistry
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JoVE Journal Chemistry
Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

DOI:
10.3791/64160-v

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10:52 min

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July 27, 2022

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, , ,
1Department of Chemistry and Physics,Monmouth University

Chapters

  • 00:04Introduction
  • 00:58Sample Preparation
  • 03:46Acquisition and Analysis of NMR Spectra
  • 08:24Results: Line Shape Analysis of NMR Spectra for the Rearrangement of Rhenium(V) Polyhydride Complex
  • 10:23Conclusion

Summary

Automatic Translation

Automatic Translation

Line shape analysis of NMR spectra collected over a range of temperatures serves as a guide for the rearrangement of inner coordination-sphere atoms at a chiral, eight-coordinate, rhenium(V) polyhydride complex, ReH5(PPh3)2(sec-butyl amine). Line shape analysis is also used to determine the activation parameters ΔH‡, ΔS‡, and ΔG‡ for those atom rearrangements.

Tags

Keywords: NMR SpectroscopyDynamic ExchangeLine Shape FittingCoordination Sphere RearrangementChiral Rhenium Polyhydride ComplexActivation EnergyReaction SetupSolventsFiltration

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