Octafluorocubane

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Octafluorocubane
Names
IUPAC name
1,2,3,4,5,6,7,8-octafluorocubane
Other names
perfluorocubane
Identifiers
3D model (
JSmol
)
  • InChI=1S/C8F8/c9-1-2(10)5(13)3(1,11)7(15)4(1,12)6(2,14)8(5,7)16
    Key: DLEOOIAXKVODBG-UHFFFAOYSA-N
  • C12(C3(C4(C1(C5(C2(C3(C45F)F)F)F)F)F)F)F
Properties
C8F8
Molar mass 248.075 g·mol−1
Appearance colorless, sublimable
Density 2.429 g/cm3
Melting point 160.1–171.1 °C (320.2–340.0 °F; 433.2–444.2 K)
Related compounds
Related compounds
 Octanitrocubane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Octafluorocubane or perfluorocubane is an

fluorination. According to X-ray crystallography, the C-C distances (1.570 Å) in octafluorocubane are identical in length to those in the parent cubane (1.572 Å).[1]

Octafluorocubane has attracted interest from theorists because of its unusual

anion C
8F−
8, with the free electron trapped inside of the cube.[3]

The compound was voted "favorite molecule of 2022" by readers of Chemical & Engineering News.[4]

References

  1. S2CID 251515925
    .
  2. doi:10.1007/s00214-017-2144-5
  3. S2CID 251517529
    .
  4. ISSN 1520-605X
    . Retrieved 2022-12-30.


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