引用本文:
王沂轩, 李宏平, 张富强, 赵健萍, 戴明. N-甲基苯胺、二苯胺与质子受体相互作用的研究[J]. 物理化学学报,
1994, 10(03): 217-222.
doi:
10.3866/PKU.WHXB19940306
Citation: Wang Yi-Xuan, Li Hong-Ping, Zhang Fu-Qiang, Zhao Jian-Ping, Dai Ming. A Spectral Study of Intermolecular Hydrogen Bonding for N-methylaniline or Diphenylamine with some Proton Acceptors[J]. Acta Physico-Chimica Sinica, 1994, 10(03): 217-222. doi: 10.3866/PKU.WHXB19940306
Citation: Wang Yi-Xuan, Li Hong-Ping, Zhang Fu-Qiang, Zhao Jian-Ping, Dai Ming. A Spectral Study of Intermolecular Hydrogen Bonding for N-methylaniline or Diphenylamine with some Proton Acceptors[J]. Acta Physico-Chimica Sinica, 1994, 10(03): 217-222. doi: 10.3866/PKU.WHXB19940306
N-甲基苯胺、二苯胺与质子受体相互作用的研究
English
A Spectral Study of Intermolecular Hydrogen Bonding for N-methylaniline or Diphenylamine with some Proton Acceptors
Abstract:
Infared Spectra of (N-methylaniline or diphenylamine + one of aprotic sol vents+CCL_4) have been measured at 298.15 K. The results show that stretching frequen cies v_(NH) of the associated complex A—H…B depend on the proton-accepting abilities of B, and the frequency shifts show a nearly linear dependence on electron donor num ber (DN) and also on nucleophilicity parameter (B~o). Equilibrium constants of some AB cross-associated complexes have been estimated from IR data. The equilibrium constant values show that diphenylamine as a proton donor is stronger than N-methylaniline. Morever, the related conclusions have been briefly discussed in terms of molecular structure and interactions between unlike molecules.
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Key words:
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N-methylaniline
- / Diphenylamine
- / Aprotic solvent
- / IR spectrum
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