Heptalene

Hydrocarbon compound

Heptalene

Names
Preferred IUPAC name

Heptalene

Identifiers

CAS Number

* 257-24-9 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 4574193 Y

PubChem CID

* 5460725

UNII |

* MJX2GL6N86 Y

CompTox Dashboard (EPA)

* DTXSID10420114

InChI

* InChI=1S/C12H10/c1-3-7-11-9-5-2-6-10-12(11)8-4-1/h1-10H N

Key: DDTGNKBZWQHIEH-UHFFFAOYSA-N N

* InChI=1/C12H10/c1-3-7-11-9-5-2-6-10-12(11)8-4-1/h1-10H

Key: DDTGNKBZWQHIEH-UHFFFAOYAV

SMILES

* C1=CC=C2C=CC=CC=C2C=C1

Properties

Chemical formula

| C12H10
Molar mass | 154.212 g·mol−1

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)

Infobox references

Chemical compound

Heptalene is a polycyclic hydrocarbon with chemical formula C12H10, composed of two fused cycloheptatriene rings. It is an unstable, non-planar compound which is non-aromatic.[1][2] The dianion, however, satisfies Hückel's rule, is thermally stable, and is planar.[3]

## See also

[edit]

* Benzocyclooctatetraene

## References

[edit]

1. ^ Gottarelli, Giovanni; Hansen, Hans-Jürgen; Spada, Gian Piero; Weber, Roland H. (1987). "A Liquid-Crystal Study of Heptalene". Helvetica Chimica Acta. 70 (2): 430. doi:10.1002/hlca.19870700222.
2. ^ Boyd, G.V. (1966). "The aromaticity of pentalene, heptalene and related bicyclic hydrocarbons". Tetrahedron. 22 (10): 3409. doi:10.1016/S0040-4020(01)92529-3.
3. ^ Oth, Jean F. M.; Müllen, Klaus; Königshofen, Heinrich; Wassen, Jürgen; Vogel, Emanuel (1974). "The Dianion of Heptalene". Helvetica Chimica Acta. 57 (8): 2387. doi:10.1002/hlca.19740570811.

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