Sivaraman, B., Nair, B.G., Lo, J.-I., Kundu, S., Davis, D., Prabhudesai, V., Raja Sekhar, B.N., Mason, Nigel, Cheng, B.-M., Krishnakumar, E. and others. (2013) Vacuum ultraviolet and infrared spectra of condensed methyl acetate on cold astrochemical dust analogs. Astrophysical Journal, 778 (2). (doi:10.1088/0004-637X/778/2/157) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:74714)
| The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided. | |
| Official URL: https://doi.org/10.1088/0004-637X/778/2/157 |
Abstract
Following the recent report of the first identification of methyl acetate (CH3COOCH3) in the interstellar medium (ISM), we have carried out vacuum ultraviolet (VUV) and infrared (IR) spectroscopy studies on methyl acetate from 10 K until sublimation in an ultrahigh vacuum chamber simulating astrochemical conditions. We present the first VUV and IR spectra of methyl acetate relevant to ISM conditions. Spectral signatures clearly showed molecular reorientation to have started in the ice by annealing the amorphous ice formed at 10 K. An irreversible phase change from amorphous to crystalline methyl acetate ice was found to occur between 110 K and 120 K.
| Item Type: | Article |
|---|---|
| DOI/Identification number: | 10.1088/0004-637X/778/2/157 |
| Uncontrolled keywords: | astrochemistry, ISM: molecules, methods: laboratory: solid state, techniques: spectroscopic |
| Divisions: | Divisions > Division of Natural Sciences > Physics and Astronomy |
| Depositing User: | Nigel Mason |
| Date Deposited: | 16 Jul 2019 13:04 UTC |
| Last Modified: | 05 Nov 2024 12:37 UTC |
| Resource URI: | https://kar.kent.ac.uk/id/eprint/74714 (The current URI for this page, for reference purposes) |
University of Kent Author Information
Mason, Nigel.
| Creator's ORCID: |
 https://orcid.org/0000-0002-4468-8324
|
|---|---|
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