Pentaborane(11)
| Identifiers | |
|---|---|
| 18433-84-6 | |
| ECHA InfoCard | 100.038.447 |
| Properties | |
| B5H11 | |
| Molar mass | 65.14 g·mol−1 |
| Melting point | −123 °C (−189 °F; 150 K)[1] |
| Boiling point | 63 °C (145 °F; 336 K)[1] |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Pentaborane(11) is inorganic compound with the chemical formula B5H11.[2] It is a colorless liquid at room temperature with a boiling point of 63 °C.[1]
Synthesis
- Diborane conversion:
![{\displaystyle {\ce {\mathsf {\overbrace {5B2H6} ^{Diborane}->[{\ce {115^{\circ }C}}]{2B5H11}+4H2}}}}](../I/m/67e013dcd28eecf9877badd0289123892d35049b.svg)
Properties
It is an unstable liquid. It reacts with ammonia. It is capable of producing a range of elements when heated, such as diborane, tetraborane, hydrogen. It inflames in air.
References
| Alkali metal hydrides |  Lithium hydride, LiH ionic metal hydride   Beryllium hydride Left (gas phase): BeH2 covalent metal hydride Right: (BeH2)n (solid phase) polymeric metal hydride   Borane and diborane Left: BH3 (special conditions), covalent metalloid hydride Right: B2H6 (standard conditions), dimeric metalloid hydride  Methane, CH4 covalent nonmetal hydride  Ammonia, NH3 covalent nonmetal hydride  Water, H2O covalent nonmetal hydride  Hydrogen fluoride, HF covalent nonmetal hydride | ||||||||||||||||||
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| Alkaline earth hydrides |
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| Group 13 hydrides |
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| Group 14 hydrides |
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| Pnictogen hydrides |
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| Hydrogen chalcogenides |
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| Hydrogen halides | |||||||||||||||||||
| Transition metal hydrides | |||||||||||||||||||
| Lanthanide hydrides |
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| Actinide hydrides |
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