CRCU

Chemical Research in Chinese Universities ›› 2004, Vol. 20 ›› Issue (1): 99-102.

• Articles • Previous Articles     Next Articles

OH…O Out-of-Plane Bending Band [γ(OH)] and Its Overtone Band of Dimethylol Propionic Acid(DMPA)

REN Zhi-yong1, MA Jian-ming2, WU Hai-ping2, MA De-zhu1   

  1. 1. Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China;
    2. College of Chemistry and Chemical Engineering, Anhui University, Hefei 230039, P. R. China
  • Received:2002-12-31 Online:2004-02-24 Published:2011-08-06
  • Supported by:

    Supported by the Henan Natural Science Fundation(No.004030600).

PDF (PC)

Abstract: In the present paper are reported the OH…O out-of-plane bending band[γ(OH)] between 900-950 cm-1 of dimethylol propionic acid(DMPA), its dependence upon temperature and its overtone band investigated via FTIR spectroscopy. It has been found based on the crystal structure that the band [γ(OH)] may not certainly be the characteristic band of carboxylic dimers, it can also result from another H-bond formed between carboxylic carbonyl and the primary hydroxyl. In addition, the band [γ(OH)] is very sensitive to temperature change but its overtone band can only appear at a low temperature.

Key words: H-bond, Out-of-plane bending band, Overtone