Methylenecyclopropene
- Formula: C4H4
- Molecular weight: 52.0746
- IUPAC Standard InChI: InChI=1S/C4H4/c1-4-2-3-4/h2-3H,1H2
- IUPAC Standard InChIKey: GOSMMPKSWSOPRZ-UHFFFAOYSA-N
- CAS Registry Number: 4095-06-1
- 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. - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Vibrational and/or electronic energy levels
Go To: Top, 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: Marilyn E. Jacox
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| 1770 | vs | Ar | IR | Billups, Lin, et al., 1984 Maier, Hoppe, et al., 1984 | |||
| 1519 | m | Ar | IR | Billups, Lin, et al., 1984 Maier, Hoppe, et al., 1984 | |||
| 754 | s | Ar | IR | Billups, Lin, et al., 1984 Maier, Hoppe, et al., 1984 | |||
| 664 | m | Ar | IR | Billups, Lin, et al., 1984 Maier, Hoppe, et al., 1984 | |||
Additional references: Jacox, 1994, page 377; Norden, Staley, et al., 1986; Bogey, 1991
Notes
| m | Medium |
| s | Strong |
| vs | Very strong |
References
Go To: Top, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Billups, Lin, et al., 1984
Billups, W.E.; Lin, L-J.; Casserly, E.W.,
Synthesis of methylenecyclopropene,
J. Am. Chem. Soc., 1984, 106, 12, 3698, https://doi.org/10.1021/ja00324a064
. [all data]
Maier, Hoppe, et al., 1984
Maier, G.; Hoppe, M.; Lanz, K.; Reisenauer, H.P.,
Neue wege zum cyclobutadien und methylencyclopropen,
Tetrahedron Lett., 1984, 25, 49, 5645, https://doi.org/10.1016/S0040-4039(01)91402-9
. [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]
Norden, Staley, et al., 1986
Norden, T.D.; Staley, S.W.; Taylor, W.H.; Harmony, M.D.,
Electronic character of methylenecyclopropene: microwave spectrum, structure, and dipole moment,
J. Am. Chem. Soc., 1986, 108, 25, 7912, https://doi.org/10.1021/ja00285a005
. [all data]
Bogey, 1991
Bogey, M.,
M. Cordonnier, 1991, J.-L. Destombes, J.-M.. Denis, and j.-C. Guillemin, J. Mol. Spectrosc. 149, 230. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.