Bandlist 33 33

Absorption band list of CH3OH in solid CH3OH (amorphous phase)

Title
Absorption band list of CH3OH in solid CH3OH (amorphous phase)
Type
absorption
Description
VUV-NIR-MIR-FIR absorption band list of the isotopes of CH3OH in solid CH3OH (amorphous phase)
Number of bands
33
Comments
Only part of NIR. Analysis of band width and intensity still to be done.
Position (cm-1) Width (cm-1) Peak intensity (cm-1) Relative intensity Strength Transition mode Mode type(s) Bond Specie(s) Degeneracy Resonances
150 ± 5 150 ± 5
νL
other
libration
12CH316OH

175 ± 3 175 ± 3
νL or T
other
libration
12CH316OH

255 ± 3 255 ± 3
νLT
other
libration
12CH316OH

320 ± 5 320 ± 5
νLT
other
libration
12CH316OH

712 ± 18 712 ± 18 s
ν12
bending out-p
-16O-1H
12CH316OH

1029 ± 3 1029 ± 3 vs
ν8
stretching
12C-16O-
12CH316OH

1128 ± 4 1128 ± 4 w
ν7
bending asym. in-p (rocking)
-12C ≤ H3
12CH316OH

1256 ± 5 1256 ± 5 w
ν11
bending asym. in-p (rocking)
-12C ≤ H3
12CH316OH

1350 ± 2 1350 ± 2 w
12
bending out-p
-16O-1H
12CH316OH

1413 ± 2 1413 ± 2 w
ν10
bending asym.
12C-1H
12CH316OH

1448 ± 2 1448 ± 2 m
ν5
bending sym.
12C-1H
12CH316OH

1456 ± 4 1456 ± 4 m
ν4
bending asym.
12C-1H
12CH316OH

1476 ± 4 1476 ± 4 w
ν6
bending in-p
-16O-1H
12CH316OH

2040 ± 5 2040 ± 5 w
8
stretching
12C-16O-
12CH316OH

2230 ± 4 2230 ± 4 w
7
bending asym. in-p (rocking)
-12C ≤ H3
12CH316OH

2488 ± 4 2488 ± 4 w
11
ν4 + ν8
ν5 + ν8
bending asym. in-p (rocking)
bending asym.
stretching
bending sym.
stretching
-12C ≤ H3
12C-1H
12C-16O-
12C-1H
12C-16O-
12CH316OH
12CH316OH
12CH316OH
accidental triple
accidental triple
accidental triple


2532 ± 6 2532 ± 6 m
ν6 + ν8
bending in-p
stretching
-16O-1H
12C-16O-
12CH316OH

2603 ± 4 2603 ± 4 m
ν4 + ν11
bending asym.
bending asym. in-p (rocking)
12C-1H
-12C ≤ H3
12CH316OH

2828 ± 2 2828 ± 2
ν3
stretching sym.
12C-1H
12CH316OH

2951 ± 2 2951 ± 2 s
ν9
stretching asym.
12C-1H
12CH316OH

2981 ± 2 2981 ± 2 w
ν2
stretching asym.
12C-1H
12CH316OH

3230 ± 6 3230 ± 6 vs
ν1
stretching
-16O-1H
12CH316OH

3856 ± 4 3856 ± 4
ν3 + ν8
stretching sym.
stretching
12C-1H
12C-16O-
12CH316OH

3950 ± 4 3950 ± 4
4
ν8 + ν10
bending asym.
stretching
bending asym.
12C-1H
12C-16O-
12C-1H
12CH316OH
12CH316OH



3990 ± 4 3990 ± 4
ν8 + ν9
stretching
stretching asym.
12C-16O-
12C-1H
12CH316OH

4020 ± 4 4020 ± 4
ν2 + ν8
stretching asym.
stretching
12C-1H
12C-16O-
12CH316OH

4132 ± 4 4132 ± 4
ν2 + ν7
ν2 + ν11
stretching asym.
bending asym. in-p (rocking)
stretching asym.
bending asym. in-p (rocking)
12C-1H
-12C ≤ H3
12C-1H
-12C ≤ H3
12CH316OH
12CH316OH



4275 ± 5 4275 ± 5
ν1 + ν8
stretching
stretching
-16O-1H
12C-16O-
12CH316OH

4400 ± 4 4400 ± 4
ν1 + ν7
ν1 + ν11
stretching
bending asym. in-p (rocking)
stretching
bending asym. in-p (rocking)
-16O-1H
-12C ≤ H3
-16O-1H
-12C ≤ H3
12CH316OH
12CH316OH



5660 ± 4 5660 ± 4
ν3 + ν9
stretching sym.
stretching asym.
12C-1H
12C-1H
12CH316OH

68200 ± 50 68200 ± 50 10000 ± 1000 57000 ± 5000 0.5 vvs
21 A" ← X1 A'
intervalence charge transfer
stretching
12C-16O-
12CH316OH
unknown
84740 ± 50 84740 ± 50 23000 ± 1000 1.2e+05 ± 5000 1 vvs
31 A" ← X1 A'
intervalence charge transfer
unknown
12CH316OH
unknown
95000 ± 2000 95000 ± 2000 8300 ± 2000 1.8e+05 ± 20000 1.5 vvs
unknown
intervalence charge transfer
unknown
12CH316OH
unknown
Spectral range type(s)
VUV, MIR, FIR
Spectral range(s)
100 - 5700 cm-1, 50000 - 95000 cm-1
Reference position electronic
84740 cm-1
Reference position infrared
3230 cm-1

Versions

Release date
2021-10-01 12:55:06 UTC+0000
Version (Date)
#1 (2021-10-01 12:55:06 UTC+0000, Updated: 2024-12-23 13:00:38 UTC+0000)
History
Date Mode Version Status Comments
2021-10-01 10:49:58 UTC+0000 first import #1 valid version
Analysis
Compilation and review of most of the available publications on absorption by amorphous solid CH3OH from the VUV to far-IR: Falk and Whalley (1961), Sandford and Allamandola (1993), Moore and Hudson (1994), Gerakines et al. (2005), Kuo et al. (2007), Merlin et al. (2012), Giuliano et al. (2014), Cruz-Diaz et al. (2014)
Quality flag
4
Validation date
2020-10-28
Validators