Heptalene

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Heptalene


IUPAC name Heptalene
Identifiers
CAS number	257-24-9^Y
PubChem	5460725
ChemSpider	4574193
Jmol-3D images	Image 1
SMILES C=1\C=C/2\C=C/C=C\C=C\2\C=C/C=1
InChI InChI=1S/C12H10/c1-3-7-11-9-5-2-6-10-12(11)8-4-1/h1-10H Key: DDTGNKBZWQHIEH-UHFFFAOYSA-N InChI=1/C12H10/c1-3-7-11-9-5-2-6-10-12(11)8-4-1/h1-10H Key: DDTGNKBZWQHIEH-UHFFFAOYAV
Properties
Molecular formula	C₁₂H₁₀
Molar mass	154.21 g mol⁻¹
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

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]

References

↑ 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.
↑ 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.
↑ 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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