- Title
- Mid-IR absorbance spectra of amorphous and crystalline CH3OH ice between 17 and 120 K
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20210913_001
- Data reference
- Merlin, Frederic; Quirico, Eric (2008): Mid-IR absorbance spectra of amorphous and crystalline CH3OH ice between 17 and 120 K. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20210913_001
- Publications
- Associated band lists
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- Mid-IR (400-4000 cm$^{-1}$) absorbance spectra of amorphous and crystalline $CH_3OH$ ice at 17, 35, 55, 75, 95, and 120 K
- Number of spectra
- 12
- Variable type(s)
-
- sample phase
- temperature
- Comments
- amorphous and crystalline, 17 - 120 K
- Instrument
- Nicolet 800 – transmission Mid-IR
- Sample holder
- KBr window 2mm thick cooled by He cryostat in UHV chamber with 2 KBr windows 5mm thick
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- MIR
- Valid spectral range(s)
-
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge #1 410.0 - 4000.0 0.482131 0.92 0.05
Definition: incidence and emergence angles are positive with origin at nadir. Emergence angle in transmission is larger than 90° (=180°-i).
- Observation geometry
- direct
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 180.0°
- Azimuth angle
- 0.0°
- Phase angle
- 180.0°
- Resolution illumination
- 15.0°
- Resolution observation
- 20.0°
Illumination
Observation
- Comments
- possibly partly polarized beam by beamsplitter
- Observation mode
- single spot
- Image size
- 8.0 x 8.0 $mm$
- Date begin
- 2008-02-04
Versions
- Release date
- 2021-09-16 17:57:24 UTC+0000
- Version (Date)
- #1 (2021-09-16 17:57:24 UTC+0000, Updated: 2021-09-16 17:57:24 UTC+0000)