Propynylidene

• Formula: C₃H₂
• Molecular weight: 38.0480
• IUPAC Standard InChI: InChI=1S/C3H2/c1-3-2/h1-2H Copy

  
• IUPAC Standard InChIKey: OUSWHEMIRJJMAW-UHFFFAOYSA-N Copy
• CAS Registry Number: 2008-19-7
• Chemical structure:
  This structure is also available as a 2d Mol file
• Species with the same structure:
  • 2-Propynylidyne
• Other names: HCCCH
• Information on this page:
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Options:
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Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   A

State:   ?

State:   X

Additional references: Jacox, 1994, page 249; Jacox, 1998, page 278; Bernheim, Kempf, et al., 1965

Notes

References

Go To: Top, Vibrational and/or electronic energy levels, NIST Free Links, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Maier, Reisenauer, et al., 1987
Maier, G.; Reisenauer, H.P.; Schwab, W.; Carsky, P.; Hess, B.A., Jr.; Schaad, L.J., Vinylidene carbene: a new C3H2 species, J. Am. Chem. Soc., 1987, 109, 17, 5183, https://doi.org/10.1021/ja00251a023 . [all data]

Seburg, DePinto, et al., 1995
Seburg, R.A.; DePinto, J.T.; Patterson, E.V.; McMahon, R.J., Structure of Triplet Propynylidene, J. Am. Chem. Soc., 1995, 117, 2, 835, https://doi.org/10.1021/ja00107a035 . [all data]

Seburg and McMahon, 1995
Seburg, R.A.; McMahon, R.J., Auto- und Isomerisierungen im System Propinyliden (HCCCH), Propadienyliden (H2CCC) und Cyclopropenyliden (c-C3H2), Angew. Chem., 1995, 107, 18, 2198, https://doi.org/10.1002/ange.19951071826 . [all data]

Seburg, Pattersosn, et al., 1997
Seburg, R.A.; Pattersosn, E.V.; Stanton, J.F.; McMahon, R.J., Structures, Automerizations, and Isomerizations of C, J. Am. Chem. Soc., 1997, 119, 25, 5847, https://doi.org/10.1021/ja9638869 . [all data]

Seburg, Patterson, et al., 2009
Seburg, R.A.; Patterson, E.V.; McMahon, R.J., Structure of Triplet Propynylidene (HCCCH) as Probed by IR, UV/vis, and EPR Spectroscopy of Isotopomers, J. Am. Chem. Soc., 2009, 131, 26, 9442, https://doi.org/10.1021/ja901606a . [all data]

Merer, 1967
Merer, A.J., ABSORPTION SPECTRA OF C, Can. J. Phys., 1967, 45, 12, 4103, https://doi.org/10.1139/p67-342 . [all data]

Maier, Reisenauer, et al., 1989
Maier, G.; Reisenauer, H.P.; Schwab, W.; Carsky, P.; Spirko, V.; Hess, B.A., Jr.; Schaad, L.J., Propargylene: A C3H2 isomer with unusual bonding, J. Chem. Phys., 1989, 91, 8, 4763, https://doi.org/10.1063/1.456765 . [all data]

Huang and Graham, 1990
Huang, J.W.; Graham, W.R.M., Fourier transform infrared study of tricarbon hydride radicals trapped in Ar at 10 K, J. Chem. Phys., 1990, 93, 3, 1583, https://doi.org/10.1063/1.459137 . [all data]

Chi, 1972
Chi, F.K., Ph.D. thesis, 1972, Michigan State University. [all data]

Jacox and Milligan, 1974
Jacox, M.E.; Milligan, D.E., Matrix isolation study of the vacuum ultraviolet photolysis of allene and methylacetylene. Vibrational and electronic spectra of the species C3, C3H, C3H2, and C3H3, Chem. Phys., 1974, 4, 1, 45, https://doi.org/10.1016/0301-0104(74)80047-9 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Bernheim, Kempf, et al., 1965
Bernheim, R.A.; Kempf, R.J.; Gramas, J.V.; Skell, P.S., Electron Paramagnetic Resonance of Triplet Alternant Methylenes. Propargylene and Homologs, J. Chem. Phys., 1965, 43, 1, 196, https://doi.org/10.1063/1.1696454 . [all data]

Notes

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