ON EMBEDDING - BENZENOID HYDROCARBONS WITH COMMON EIGENVALUES +/-1

被引:1
|
作者
LIU, J
机构
[1] Department of Chemistry, Nanjing University, Nanjing
来源
关键词
BENZENOID; EMBEDDING; HALLS RULE; HYDROCARBON;
D O I
10.1016/0166-1280(95)04134-R
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
On the basis of Hall's rule possible embedding forms of ethene fragments in benzenoid systems are considered. Two sets M and S (a set of embedding forms and a set of generating embedding forms) are defined. Two new graph invariants, the numbers of elements of M and S, are also indicated. The number of elements of set S gives a finer lower bound of degeneracy in x = 1.
引用
收藏
页码:179 / 188
页数:10
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