Spectrum

MIR absorption coefficient spectrum (nu_1,nu_3 bands) of crystalline H2S phase III at 85K

Title
MIR absorption coefficient spectrum (nu_1,nu_3 bands) of crystalline H2S phase III at 85K
DOI
10.26302/SSHADE/EXPERIMENT_BS_20200202_001
Data reference
Schmitt, Bernard (1991): MIR absorption coefficient spectra of H2S (nu_1,nu_3 bands) in 3 different phases (amorphous, III, II) and diluted in SO2 ice. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20200202_001
Publications
Database
Experimentalists
Experiment type
laboratory measurement
Type
absorption coefficient
Intensity unit
$cm^{-1}$
Instrument
Nicolet 800 – transmission Mid-IR
Sample holder
KBr or CsI window 2mm thick cooled by He cryostat in UHV chamber (with 2 KBr or CsI 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 2200.0 - 2800.0 0.4821 0.96 0.05
Scan number
100
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
Resolutions
8.0 ${\pm}$ 1.0 $mm$
Experiment
MIR absorption coefficient spectra of H2S (nu_1,nu_3 bands) in 3 different phases (amorphous, III, II) and diluted in SO2 ice
Date begin
1999-04-16 14:15:00
Release date
2020-04-20 17:28:07 UTC+0000
Version (Date)
#1 (2020-04-20 17:28:07 UTC+0000, Updated: 2020-04-20 17:28:07 UTC+0000)
History
Date Mode Version Status Comments
2020-02-04 09:06:22 UTC+0000 first import #1 valid version
Analysis
converted in absorbance and baseline corrected. Then the absorption coefficient is scaled on the integral of the band of amorphous H2S, with well known thickness.
Quality flag
4
Validator(s)