The diffusion of pyridine confined in mesoporous silica MCM-41 (d pore = 3.3 nm) was studied with stray field gradient (SFG) NMR diffusometry as a function of the filling factor of the mesopores at room temperature, employing a laboratory-built SFG setup. The translational diffusion of pyridine in M
Electrostatic field effects and the P.M.R. spectra of pyridine derivatives in hydrogen bonding solvents
✍ Scribed by T.M. Spotswood; C.I. Tanzer
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- French
- Weight
- 202 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0040-4039
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The intermolecular hydrogen bond and proton transfer of the system, acetic acid -pyridine was investigated by means of the semi-empirical PCILO (Perturbative Configuration Interaction using Localised Orbitals) method. A potential curve with a single minimum was found in the 1:l complex of acetic ac
## Abstract According to the ^1^H, ^13^C and ^15^N NMR spectroscopic data and DFT calculations, the __E__‐isomer of 1‐vinylpyrrole‐2‐carbaldehyde adopts preferable conformation with the __anti__‐orientation of the vinyl group relative to the carbaldehyde oxime group and with the __syn__‐arrangement