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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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Chimica
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JoVE Journal Chimica
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

Capitoli

  • 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

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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

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

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