【作者】 尉志武； 李庆忠； 王楠楠；

【Author】 YU Zhi-wu LI Qing-zhong WANG Nan-nan Department of Chemistry,Tsinghua University,Beijing 100084,China

【机构】 清华大学化学系；

【摘要】 将超额热力学函数的思想与吸收光谱相结合,提出了超额光谱的概念。将这一新的方法应用于若干二元氢键作用体系,发现它可以提高谱图的分辨率、评价体系的非理想性以及用于研究选择性分子间相互作用。超额光谱中特定吸收带的正负号也可提供重要的分子间相互作用的信息。更多还原

【Abstract】 By applying the brilliant idea of excess thermodynamic functions to the popular infrared absorption spectroscopy,the authors proposed the novel concept:excess infrared absorption spectroscopy.The authors have employed the new method to ex- amine hydrogen bonds present in a number of binary liquid mixtures.It was found that the new treatment can enhance spectral resolution of complex IR bands,to estimate nonideality of liquid mixtures,and to evaluate selective molecular interactions.The sign of excess infrared absorption coefficient is also of importance in providing information on molecular interactions.The results demonstrated that excess infrared absorption spectroscopy could be a useful method in unveiling valuable information of molecular interactions of solutions.更多还原