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
Double resonance study of the 17O quadrupole coupling in paraelectric and ferroelectric KH2PO4
β Scribed by R. Blinc; J. Seliger; R. Osredkar; T. Prelesnik
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 191 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
The technique of nuclear magnetic pulsed double resonance in the rotating frame has been used to determine the quadrupole interactions of 14N in a single crystal of glycine nt 140Β°C. The 1% quldrupole coupling constant is found to be very small e%Q/fz = ;-%5kHz. whereas the ssymmetry paczmeter is re
Temperature dependence of 17 O nuclear quadrupole resonance frequencies was measured in solid 2-nitrobenzoic acid by a 1 H-17 O nuclear quadrupole double resonance technique. The experimental results show the presence of a fast exchange of hydrogen atoms between two nonequivalent positions within th
## 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·