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- W15313085 abstract "应用密度泛函理论在B3LYP/6—311+G(d)水平上研究了硼碳团簇BnC2(n=1~6)的几何结构、生长机制和相对稳定性.计算结果表明,对于n=2-6的簇,平面多环状构型为最稳定的结构,其中C原子分布于环的顶点、有尽可能多的三配位硼原子和尽可能多的B—C键.碳原子作为杂原子倾向掺杂于团簇的顶点位置,它的掺杂不改变硼团簇的主体结构.与平面多环状结构相比,随着簇尺寸的增大,三维结构和线性链结构更不稳定.在低能线性结构中,C原子位于链两侧的第二个位置.计算的碎片分裂能、递增键能以及及HOMO—LUMO能隙表明,B4C2为幻数簇." @default.
- W15313085 created "2016-06-24" @default.
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- W15313085 date "2007-10-14" @default.
- W15313085 modified "2023-09-24" @default.
- W15313085 title "硼碳团簇BnC2(n=1~6)的理论研究" @default.
- W15313085 hasPublicationYear "2007" @default.
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