Nuclear quadrupole resonance of 2D and 17O in ices V, VI, VIII, and IX
β Scribed by D.T Edmonds; S.D Goren; A.A.L White; W.F Sherman
- Publisher
- Elsevier Science
- Year
- 1977
- Weight
- 555 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0022-2364
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## Abstract The ^17^O nuclear quadrupole resonance (NQR) frequencies have been measured in phenylphosphinic acid and phenylphosphonic acid using nuclear quadrupole double resonance. The quadrupole coupling constants have been determined with an uncertainty of Β± 10 kHz and the asymmetry parameter Ξ·
0 nuclear quadrupole resonance frequencies and lineshapes have been measured in naturally abundant polycrystalline samples of potassium hydrogen diacetate and sodium hydrogen diacetate. In sodium hydrogen diacetate all hydrogen-bonded oxygen sites are equivalent while in potassium hydrogen diacetate
The double resonance pure quacirupolc spectrum of N,IAI~C~~ due to 23N.~, and around 1.89, 2.11. and 4.00 Ml11 due to -2&O displays four frcqucncy bands: around 1.33 \ItIz "0. The hither frequency b.md d~spl.~ys fmc structure that is mtcrpretcd in terms of the mtrdmolccular dlpolar mtcractton\ wlthm