Propanenitrile, 2,2-dimethyl-
- Formula: C5H9N
- Molecular weight: 83.1317
- IUPAC Standard InChIKey: JAMNHZBIQDNHMM-UHFFFAOYSA-N
- CAS Registry Number: 630-18-2
- 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. - Other names: Pivalonitrile; tert-Butyl cyanide; tert-Butylnitrile; Trimethylacetonitrile; 2,2-Dimethylpropionitrile; 2,2-Dimethylpropanenitrile; (CH3)3C-CN; 2-Cyano-2-methylpropane; NSC 890
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Gas phase ion energetics data
Go To: Top, 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 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
B - John E. Bartmess
View reactions leading to C5H9N+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 193.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 186.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Reference | Comment |
---|---|---|
0.012620 ± 0.000087 | Hammer, Diri, et al., 2003 | B |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H4N+ | 12.20 | ? | EI | Heerma and deRidder, 1970 | RDSH |
C3H5+ | 13.50 | ? | EI | Heerma and deRidder, 1970 | RDSH |
C4H6N+ | 12.5 | ? | EI | Day, Gowenlock, et al., 1978 | LLK |
C4H6N+ | 12.60 | CH3 | EI | Heerma and deRidder, 1970 | RDSH |
C5H8N+ | 12.05 | H | EI | Heerma and deRidder, 1970 | RDSH |
Ion clustering data
Go To: Top, Gas phase ion energetics 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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - 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: C5H10N+ + C5H9N = (C5H10N+ • C5H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.2 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.4 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase; M |
By formula: Cl- + C5H9N = (Cl- • C5H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18.5 ± 1.0 | kcal/mol | TDAs | Li, Ross, et al., 1996 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 11.05 ± 0.20 | kcal/mol | TDAs | Li, Ross, et al., 1996 | gas phase; B |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, Ion clustering data, 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
View image of digitized spectrum (can be printed in landscape orientation).
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-6396 |
NIST MS number | 228259 |
References
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), 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]
Hammer, Diri, et al., 2003
Hammer, N.I.; Diri, K.; Jordan, K.D.; Desfrancois, C.; Compton, R.N.,
Dipole-bound anions of carbonyl, nitrile, and sulfoxide containing molecules,
J. Chem. Phys., 2003, 119, 7, 3650-3660, https://doi.org/10.1063/1.1590959
. [all data]
Heerma and deRidder, 1970
Heerma, W.; deRidder, J.J.,
The electron-impact induced fragmentation of some alkyl isocyanides and alpha-branched alkyl cyanides,
Org. Mass Spectrom., 1970, 3, 1439. [all data]
Day, Gowenlock, et al., 1978
Day, J.S.; Gowenlock, B.G.; Johnson, C.A.F.; McInally, I.D.; Pfab, J.,
Appearance potential studies of some geminal substituted C-nitroso- compounds,
J. Chem. Soc. Perkin Trans. 2, 1978, 10, 1110. [all data]
Speller and Meot-Ner (Mautner), 1985
Speller, C.V.; Meot-Ner (Mautner), M.,
The Ionic Hydrogen Bond and Ion Solvation. 3. Bonds Involving Cyanides. Correlations with Proton Affinites,
J. Phys. Chem., 1985, 81, 24, 5217, https://doi.org/10.1021/j100270a020
. [all data]
Li, Ross, et al., 1996
Li, C.; Ross, P.; Szulejko, J.; McMahon, T.B.,
High-Pressure Mass Spectrometric Investigations of the Potential Energy Surfaces of Gas-Phase Sn2 Reactions.,
J. Am. Chem. Soc., 1996, 118, 39, 9360, https://doi.org/10.1021/ja960565o
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy EA Electron affinity ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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