Octadecaborane(22)
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| Octadecaborane(22) | |
|---|---|
| Identifiers | |
| Standard InChI | InChI=1S/B18H22/c19-7-1-3(7)4( 1)8(1,11(1,7,19)20-8)16(4)13(3 ,4)15(3,7)14(16)5-2-6(5,14)10( 2,18(6,13,14,16,25-16)26-16)12 (2,22-10)9(2,5,21-12)17(5,13,1 4,15,23-15)24-15/h1-14H |
| Standard InChIKey | CJBYJBAYBMYRDQ-UHFFFAOYSA-N |
| Properties | |
| Chemical formula | B18H22 |
| Molar mass | 216.4 g mol−1 |
| Density | 1.012 g cm−3 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Octadecaborane(22), B18H22, is a polynuclear borane used in the semiconductor industry.
It is structurally related to decaborane(14): the structure can be viewed as two fused arachno-decaborane units. The usual form of octadecaborane(22) is the anti-fused structure, also referred to as n-B18H22.[1]
It is prepared by the oxidation of the B9H12− cluster, for example with iodine in toluene solution.[2][3][4]
References
- ↑ Simpson, Paul G.; Lipscomb, William N. Molecular structure of B18H22. Proc. Natl. Acad. Sci. 1962, 48 (9), 1490–91.
- ↑ Pitochelli, Anthony R.; Hawthorne, M. Frederick The Preparation of a New Boron Hydride B18H22. J. Am. Chem. Soc. 1962, 84 (16), 3218. DOI: 10.1021/ja00875a058.
- ↑ Gaines, Donald F.; Nelson, Caterina K.; Steehler, Gail A. Preparation of n-octadecaborane(22), n-B18H22, by oxidative fusion of dodecahydrononaborate(1−) clusters. J. Am. Chem. Soc. 1984, 106 (23), 7266–67. DOI: 10.1021/ja00335a079.
- ↑ Li, Yuqi; Sneddon, Larry G. Improved Synthetic Route to n-B18H22. Inorg. Chem. 2006, 45 (2), 470–71. DOI: 10.1021/ic051712z.
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