On the anti-Kekule number and anti-forcing number of cata-condensed benzenoids

被引：35

作者：

Vukicevic, Damir ^{[1
,2
]}

Trinajstic, Nenad ^{[1
,2
]}

机构：

[1] Univ Split, Fac Sci, Dept Math, HR-21000 Split, Croatia

[2] Rudjer Boskovic Inst, HR-10002 Zagreb, Croatia

来源：

JOURNAL OF MATHEMATICAL CHEMISTRY | 2008年 / 43卷 / 02期

关键词：

anti-forcing number; anti-Kekule number; cata-condensed benzenoids; chain cata-benzenoids;

D O I：

10.1007/s10910-006-9223-5

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Previously introduced concepts the anti-Kekule number and anti-forcing number (Vukicevic et al., J. Math. chem., in press) are applied to cata-condensed benzenoids. It is shown that all cata-benzenoids have anti-Kekule number either 2 or 3 and both classes are characterized. The explicit formula for anti-forcing number of chain (unbranched) cata-benzenoids is given. It is also shown that anti-forcing number of any cata-benzenoid goes up to h/2 where h is the number of hexagons in a cata-benzenoid.

引用

页码：719 / 726

页数：8

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