Methane, isothiocyanato-
- Formula: C2H3NS
- Molecular weight: 73.117
- IUPAC Standard InChIKey: LGDSHSYDSCRFAB-UHFFFAOYSA-N
- CAS Registry Number: 556-61-6
- 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. - Species with the same structure:
- Other names: Isothiocyanic acid, methyl ester; Isothiocyanatomethane; Methyl isothiocyanate; Methyl mustard oil; Methyl thioisocyanate; Morton EP-161E; Trapex; Trapexide; Tropex; WN 12; CH3NCS; EP-161E; Isothiocyanate de methyle; Isotiocianato di metile; Methylisothiocyanaat; Methyl-isothiocyanat; Methylisothiokyanat; Methylsenfoel; MIT; Mitc; UN 2477; Vorlex (Nor-Am); Vortex; Biomet 33; Degussa methyl isothiocyanate; MeNCS; Methane isothiocyanate; Methyl mustard
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Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 191.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 183.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.13 ± 0.15 | EI | Hobrock, Shenkel, et al., 1963 | RDSH |
9.25 ± 0.03 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.37 ± 0.02 | PE | Cradock, Ebsworth, et al., 1972 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
NS?+ | 12.5 ± 0.2 | ? | EI | Hobrock, Shenkel, et al., 1963 | RDSH |
CHS+ | 12.9 ± 0.2 | ? | EI | Hobrock, Shenkel, et al., 1963 | RDSH |
CH3+ | 15.3 ± 0.3 | ? | EI | Hobrock, Shenkel, et al., 1963 | RDSH |
CNS+ | 14.9 ± 0.5 | ? | EI | Hobrock, Shenkel, et al., 1963 | RDSH |
CS+ | 15.6 ± 0.4 | ? | EI | Hobrock, Shenkel, et al., 1963 | RDSH |
C2H2NS+ | 11.9 ± 0.2 | H | EI | Hobrock, Shenkel, et al., 1963 | RDSH |
C2NS+ | 14.1 ± 0.3 | ? | EI | Hobrock, Shenkel, et al., 1963 | RDSH |
References
Go To: Top, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Hobrock, Shenkel, et al., 1963
Hobrock, B.G.; Shenkel, R.C.; Kiser, R.W.,
Singly and doubly-charged ions from methyl and ethyl isothiocyanates by electron impact,
J. Phys. Chem., 1963, 67, 1684. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Cradock, Ebsworth, et al., 1972
Cradock, S.; Ebsworth, E.A.V.; Murdoch, J.D.,
Photoelectron spectra of some Group 4 pseudohalides and related compounds,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 86. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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