Propanedinitrile

• Formula: C₃H₂N₂
• Molecular weight: 66.0614
• IUPAC Standard InChI: InChI=1S/C3H2N2/c4-2-1-3-5/h1H2 Copy

  
• IUPAC Standard InChIKey: CUONGYYJJVDODC-UHFFFAOYSA-N Copy
• 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
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• 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
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Vibrational and/or electronic energy levels
  • Gas Chromatography
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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

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 as indicated in comments:
B - John E. Bartmess
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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = ( • )

By formula: I^- + C₃H₂N₂ = (I^- • C₃H₂N₂)

References

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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]

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]

Notes

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• Symbols used in this document:
  

  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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