Tetracyano-p-quinodimethane

• Formula: C₁₂H₄N₄
• Molecular weight: 204.1870
• IUPAC Standard InChI: InChI=1S/C12H4N4/c13-5-11(6-14)9-1-2-10(4-3-9)12(7-15)8-16/h1-4H Copy

  
• IUPAC Standard InChIKey: PCCVSPMFGIFTHU-UHFFFAOYSA-N Copy
• CAS Registry Number: 1518-16-7
• 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: Propanedinitrile, 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis-; 2,5-Cyclohexadiene-δ1,α:4,α'-dimalononitrile; Quinodimethan, tetracyano-; Tetracyanoquinodimethan(e); TCNQ; 2,5-Cyclohexadiene-1,4-Diylidenedimalononitrile; 7,7,8,8-Tetracyano-p-quinodimethane; 7,7,8,8-Tetracyano-1,4-quinodimethan; 7,7,8,8-Tetracyanoquinodimethane; 7,7',8,8'-Tetracyanoquinodimethane; 2,5-Cyclohexadiene-1,4-diylidene-α,α'-dimalononitrile; Tetracyanoquinodimethan; NSC 105237; 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bismalononitrile
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• Information on this page:
  • Gas phase thermochemistry data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
  • X-ray Photoelectron Spectroscopy Database, version 5.0
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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.

Metzger, Kuo, et al., 1983
Metzger, R.M.; Kuo, C.S.; Arafat, E.S., A semi-micro rotating-bomb combustion calorimeter, J. Chem. Thermodyn., 1983, 15, 841-851. [all data]

Boyd, 1963
Boyd, R.H., Thermochemistry of cyanocarbons, J. Chem. Phys., 1963, 38, 2529-2535. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, References

• Symbols used in this document:
  

  ΔfH°gas

  Enthalpy of formation of gas at standard conditions

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