Methanol-D4
- Formula: CD4O
- Molecular weight: 36.0665
- IUPAC Standard InChIKey: OKKJLVBELUTLKV-MZCSYVLQSA-N
- CAS Registry Number: 811-98-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Isotopologues:
- Other names: Tetradeuteromethanol; CD3OD; (2H4)methanol
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Gas phase ion energetics data
Go To: Top, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.00 | PI | Nishimura, Niwa, et al., 1980 | LLK |
10.885 ± 0.002 | PE | MacNeil and Dixon, 1977 | LLK |
10.98 | EI | Lifshitz, Shapiro, et al., 1969 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CDO+ | 14.88 | ? | PI | Nishimura, Niwa, et al., 1980 | LLK |
CD3+ | 14.88 | OD | PI | Nishimura, Niwa, et al., 1980 | LLK |
CD3O+ | 12.71 | D | PI | Nishimura, Niwa, et al., 1980 | LLK |
Ion clustering data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: CD3O- + CD4O = C2HD7O2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 118. ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=18.8 at 350K; dS based of symmetry alone |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 84.5 ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=18.8 at 350K; dS based of symmetry alone |
By formula: CH3O- + CD4O = C2H4D7O2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 118. ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=19.4 at 350K; dS based on symmetry alone. |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 86.6 ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=19.4 at 350K; dS based on symmetry alone. |
By formula: C2H- + CD4O = C3H2D5-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 89.5 ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=11.3 at 350K; dS based on symmetry alone |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 53.6 ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 2000 | gas phase; Original dG=11.3 at 350K; dS based on symmetry alone |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, Ion clustering data, Vibrational and/or electronic energy levels, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-6800 |
NIST MS number | 236257 |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Takehiko Shimanouchi
Gas Symmetry: Cs Symmetry Number σ = 1
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a' | 1 | OD str | 2724 | D | 2724 S | gas | ||||
a' | 2 | CD3 d-str | 2260 | E | 2260 | gas | SF(ν2 )of 3) | |||
a' | 3 | CD3 s-str | 2080 | C | 2080 S | gas | ||||
a' | 4 | CD3 d-deform | 1024 | D | 1024 W | gas | ||||
a' | 5 | CD3 s-deform | 1135 | C | 1135 VS | gas | ||||
a' | 6 | OD bend | 1060 | D | 1060 W | gas | ||||
a' | 7 | CD3 rock | 776 | C | 776 S | gas | ||||
a' | 8 | CO str | 983 | C | 983 VS | gas | ||||
a | 9 | CD3 d-str | 2228 | D | 2228 S | gas | ||||
a | 10 | CD3 d-deform | 1080 | C | 1080 W | gas | ||||
a | 11 | CD3 rock | 892 | C | 892 W | gas | ||||
a | 12 | Torsion | 196 | E | CF | |||||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
W | Weak |
CF | Calculated frequency |
SF | Calculation shows that the frequency approximately equals that of the vibration indicated in the parentheses. |
C | 3~6 cm-1 uncertainty |
D | 6~15 cm-1 uncertainty |
E | 15~30 cm-1 uncertainty |
References
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Nishimura, Niwa, et al., 1980
Nishimura, T.; Niwa, Y.; Tsuchiya, T.; Nozoye, H.,
Ionic dissociation of methanol studied by photoelectron-photoion coincidence spectroscopy,
J. Chem. Phys., 1980, 72, 2222. [all data]
MacNeil and Dixon, 1977
MacNeil, K.A.G.; Dixon, R.N.,
High-resolution photoelectron spectroscopy of methanol and its deuterated derivatives: Internal rotation in the ground ionic state,
J. Electron Spectrosc. Relat. Phenom., 1977, 11, 315. [all data]
Lifshitz, Shapiro, et al., 1969
Lifshitz, C.; Shapiro, M.; Sternberg, R.,
Isotopic effects on metastable transitions. IV. Isotopic methanols,
Israel J. Chem., 1969, 7, 391. [all data]
Chabinyc and Brauman, 2000
Chabinyc, M.L.; Brauman, J.I.,
Unusual ionic hydrogen bonds: Complexes of acetylides and fluoroform,
J. Am. Chem. Soc., 2000, 122, 36, 8739-8745, https://doi.org/10.1021/ja000806z
. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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