کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1250293 | 970803 | 2011 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Infrared spectroscopy of 2-pyrrolidinone and its hydrogen bonded dimers in a cold (8 K) inert gas matrix
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Infrared spectroscopy of 2-pyrrolidinone and its hydrogen bonded dimers in a cold (8 K) inert gas matrix Infrared spectroscopy of 2-pyrrolidinone and its hydrogen bonded dimers in a cold (8 K) inert gas matrix](/preview/png/1250293.png)
چکیده انگلیسی
Matrix isolation–FTIR spectra of 2-pyrrolidinone monomer and its two hydrogen bonded dimers are recorded in N2 matrix at 8 K temperature and in CCl4 solution at variable temperature within the range 30–45 °C. The transient singly hydrogen bonded dimer (SHBD) is identified in the cold N2 by comparing the matrix spectrum with that in CCl4 solution. The spectral shifts of both amide-I and amide-A bands indicate cooperative strengthening of hydrogen bonds in doubly hydrogen bonded dimer (DHBD). Density functional theory at B3PW91/6-311++G** level of calculation is found to be in good accord to the observed spectral features.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vibrational Spectroscopy - Volume 55, Issue 1, 18 January 2011, Pages 126–131
Journal: Vibrational Spectroscopy - Volume 55, Issue 1, 18 January 2011, Pages 126–131
نویسندگان
Prasenjit Pandey, Amit K. Samanta, Biman Bandyopadhyay, Tapas Chakraborty,