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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Dananic, V. Volovsek, V. Bistricic, L. Furic, K. Movre Sapic, I. |
| Description | Author Affiliation: Volovsek V ( University of Zagreb, Faculty of Chemical Engineering and Technology, Marulicev trg 19, Zagreb, Croatia. Electronic address: volovsek@fkit.hr.) |
| Abstract | Raman spectrum of aminopropylsilanetriol (APST) in gas phase has been recorded at room temperature in macro chamber utilizing two-mirror technique over the sample tube. Unlike predominantly trans molecular conformation in condensed phase, the spectra of vapor show that the molecules are solely in gauche conformation with intramolecular hydrogen bond N···HO which reduces the molecular energy in respect to trans conformation by 0.152 eV. The assignment of the molecular spectra based on the DFT calculation is presented. The strong vibrational bands at 354 cm(-1), 588 cm(-1) and 3022 cm(-1) are proposed for verifying the existence of the ring like, hydrogen bonded structure. Special attention was devoted to the high frequency region, where hydrogen bond vibrations are coupled to stretchings of amino and silanol groups. |
| ISSN | 13861425 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Volume Number | 117 |
| e-ISSN | 18733557 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-01-03 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Gases Chemistry Silanes Spectrum Analysis, Raman Vibration Hydrogen Bonding Spectrophotometry, Infrared Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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