Hexaborane(12)

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Hexaborane(12)
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Identifiers
12008-19-4
Properties
B6H12
Molar mass 76.96 g·mol−1
Appearance colorless gas
Melting point −82.3 °C (−116.1 °F; 190.8 K)
Boiling point 85 °C (185 °F; 358 K) (approx)
Vapor pressure {{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Hexaborane(12) is an inorganic compound with the formula B6H12. It is an obscure member of the boranes. It is a colorless liquid that, like most boron hydrides, is readily hydrolyzed and flammable.

The molecular structure conforms to C2 symmetry group. With the formula BnHn+6, it is classified as an arachno cluster. As such the boron positions match six of the boron positions in the closo-B8H82-.

Preparation

It is typically prepared by the cluster expansion method from B5H8-, the conjugate base of pentaborane-9:[1]

LiB5H8 + 1/2 B2H6 → LiB6H11
LiB6H11 + HCl → B6H12 + LiCl

References

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