Propanedinitrile
- Formula: C3H2N2
- Molecular weight: 66.0614
- IUPAC Standard InChI: InChI=1S/C3H2N2/c4-2-1-3-5/h1H2
- IUPAC Standard InChIKey: CUONGYYJJVDODC-UHFFFAOYSA-N
- CAS Registry Number: 109-77-3
- 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. - Other names: Malononitrile; Cyanoacetonitrile; Dicyanomethane; Malonic acid dinitrile; Malonodinitrile; Methane, dicyano-; Methylene cyanide; Methylenedinitrile; CH2(CN)2; Malonitrile; Malonic dinitrile; Nitril kyseliny malonove; USAF A-4600; Dwumetylosulfotlenku; Rcra waste number U149; UN 2647; USAF KF-19; NSC 3769
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Gas phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 266.3 ± 1.0 | kJ/mol | Ccb | Beckhaus, Dogan, et al., 1990 | |
| ΔfH°gas | 266. ± 2. | kJ/mol | Ccb | Boyd, Guha, et al., 1967 |
Reaction thermochemistry 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 as indicated in comments:
B - John E. Bartmess
MS - José A. Martinho Simões
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C3HN2- + =
By formula: C3HN2- + H+ = C3H2N2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1405. ± 8.8 | kJ/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
| ΔrH° | 1406. ± 11. | kJ/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1373. ± 8.4 | kJ/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
| ΔrG° | 1373. ± 8.4 | kJ/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
| ΔrG° | 1376. ± 8.4 | kJ/mol | IMRE | Taft, Abboud, et al., 1988 | gas phase; Revised: 91TAF; B |
(solution) + C5H11BrMg (solution) = C3HBrMgN2 (solution) +
(solution)
By formula: C3H2N2 (solution) + C5H11BrMg (solution) = C3HBrMgN2 (solution) + C5H12 (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -203.3 | kJ/mol | RSC | Holm, 1983 | solvent: Diethyl ether; MS |
+
= (
•
)
By formula: I- + C3H2N2 = (I- • C3H2N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 79.1 ± 4.2 | kJ/mol | TDAs | Caldwell, Masucci, et al., 1989 | gas phase; B,M |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
- LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- LIQUID (NEAT) $$PURITY 99.75%; BAIRD (PRISM); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY
- SOLID (MULL, KEL-F OIL FOR 2-7.5 AND MINERAL OIL FOR 7.5-16 MICRONS); Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | SE-33 | 120. | 801. | Juvancz, Cserháti, et al., 1994 | 10. m/0.20 mm/0.15 μm, H2 |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Beckhaus, Dogan, et al., 1990
Beckhaus, H.D.; Dogan, B.; Pakusch, J.; Verevkin, S.; Ruechardt, C.,
Geminal substituent effects. 4. The dependence of the inverse anomeric effect of geminal cyano groups on the structure,
Chem. Ber., 1990, 123, 2153-2159. [all data]
Boyd, Guha, et al., 1967
Boyd, R.H.; Guha, K.R.; Wuthrich, R.,
Thermochemistry of cyanocarbons. II. The heats of combustion of pyridinium dicyanomethylide, malononitrile, and fumaronitrile,
J. Phys. Chem., 1967, 71, 2187-2191. [all data]
Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W.,
Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities,
J. Am. Chem. Soc., 1981, 103, 4017. [all data]
Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P.,
Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A),
Can. J. Chem., 1978, 56, 1. [all data]
Taft, Abboud, et al., 1988
Taft, R.W.; Abboud, J.L.M.; Anvia, F.; Berthelot, M.; Fujio, M.; Gal, J.-F.; Headley, A.D.; Henderson, W.G.,
Regarding the Inherent Dependence of Resonance Effects of Strongly Conjugated Substituents on Electron Demand,
J. Am. Chem. Soc., 1988, 110, 6, 1797, https://doi.org/10.1021/ja00214a023
. [all data]
Holm, 1983
Holm, T.,
Acta Chem. Scand. B, 1983, 37, 797. [all data]
Caldwell, Masucci, et al., 1989
Caldwell, G.W.; Masucci, J.A.; Ikonomou, M.G.,
Negative Ion Chemical Ionization Mass Spectrometry - Binding of Molecules to Bromide and Iodide Anions,
Org. Mass Spectrom., 1989, 24, 1, 8, https://doi.org/10.1002/oms.1210240103
. [all data]
Juvancz, Cserháti, et al., 1994
Juvancz, Z.; Cserháti, T.; Markides, K.E.; Bradshaw, J.S.; Lee, M.L.,
Characterization of some new polysiloxane stationary phases by principal component analysis,
Chromatographia, 1994, 38, 3/4, 227-231, https://doi.org/10.1007/BF02290341
. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions 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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