- 作者: 劉品秀、丁尚武
- 作者服務機構: partment of Chemistry and Center for Nanoscience and Nanotechnology, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan, R.O.C.
- 中文摘要: A series of dilute liquid crystalline solvents are used to study the effect of slight anisotropy caused by partial alignment on chemical shift and residual dipolar coupling (RDC) in small molecules. The residual dipolar couplings between protons in solutes are found to be almost independent of the local environment. It is also found that the chemical shift does not change over the concentration range observed. A linear relationship between residual dipolar coupling and liquid crystal concentration is observed at relatively low concentrations, but is severely violated at high concentrations.
- 英文摘要: --
- 中文關鍵字: NMR; Liquid crystal solvent; Susceptibility anisotropy; Residual dipolar couplings; Mixture.
- 英文關鍵字: --