Difference between revisions of "Octadecaborane(22)"
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'''Octadecaborane(22)''', B<sub>18</sub>H<sub>22</sub>, is a polynuclear [[borane]] used in the semiconductor industry. | '''Octadecaborane(22)''', B<sub>18</sub>H<sub>22</sub>, is a polynuclear [[borane]] used in the semiconductor industry. | ||
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| + | It is structurally related to [[decaborane(14)]]: the structure can be viewed as two fused ''arachno''-decaborane units sharing two boron atoms. The usual form of octadecaborane(22) is the ''anti''-fused structure, also referred to as ''n''-B<sub>18</sub>H<sub>22</sub>. | ||
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| + | It is prepared by the oxidation of the B<sub>9</sub>H<sub>12</sub><sup>−</sup> cluster, for example with [[iodine]] in [[toluene]] solution.<ref>{{citation | title = Preparation of ''n''-octadecaborane(22), ''n''-B<sub>18</sub>H<sub>22</sub>, by oxidative fusion of dodecahydrononaborate(1−) clusters | first1 = Donald F. | last1 = Gaines | first2 = Caterina K. | last2 = Nelson | first3 = Gail A. | last3 = Steehler | journal = J. Am. Chem. Soc. | year = 1984 | volume = 106 | issue = 23 | pages = 7266–67 | doi = 10.1021/ja00335a079}}.</ref><ref>{{citation | title = Improved Synthetic Route to ''n''-B<sub>18</sub>H<sub>22</sub> | first1 = Yuqi | last1 = Li | first2 = Larry G. | last2 = Sneddon | journal = Inorg. Chem. | year = 2006 | volume = 45 | issue =2 | pages = 470–71 | doi = 10.1021/ic051712z}}.</ref> | ||
==References== | ==References== | ||
Revision as of 11:59, 19 December 2010
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 sharing two boron atoms. The usual form of octadecaborane(22) is the anti-fused structure, also referred to as n-B18H22.
It is prepared by the oxidation of the B9H12− cluster, for example with iodine in toluene solution.[1][2]
References
- ↑ 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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