在QCISD/6-311G*水平上研究了B+4分子的各种稳定构型. 首先通过从头计算优化出可能的稳定构型, 再通过振动频率的计算判断所得构型是局部极小或鞍点. 同时讨论了Jahn-Teller效应. 通过比较发现从头计算得到的各种构型与群论的结果一致, 并得出一些文献中报道的构型实际上是鞍点. 首次报道了非平面的C2v 构型.
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