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Quantum Chemistry

Symmetry and phase-selected NMR spectra of liquid crystalline samples.

PubMed
Authors: Carravetta M, Castiglione F, De Luca G, Edgar M, Emsley JW, Farrant RD, Foord EK, Lindon JC, Longeri M, Palke WE, Turner DL

Year

1998

Paper ID

13450

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

100

Citations

13

Abstract

It is demonstrated that the NMR spectra of liquid crystalline samples can be simplified by using multiple quantum filtering. In a system of N spin-12 nuclei, the N or (N-1)-multiple quantum filtered spectra (NQF or (N-1)QF) contain lines which originate only from transitions among the eigenstates belonging to the highest symmetry class of the spin permutation group. In addition the NQF spectra are divided further into two sets of lines which differ in phase by 180 degrees. A method for simulating and analysing multiple quantum filtered spectra is described, with examples from molecules with up to eight interacting spins.

Why This Paper Matters

  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 1998 reference point for readers tracking recent quantum research.
  • It is demonstrated that the NMR spectra of liquid crystalline samples can be simplified by using multiple quantum filtering.

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References & Citation Signals

[1] DOI https://doi.org/10.1006/jmre.1998.1574 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/9878460/

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-14 00:41:06

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