开玩笑 发表于 2025-3-23 11:47:10

Symmetry GroupsIn 3-dimensional space only the few following types of symmetry operations are feasible in order to transform a symmetrical molecule into itself:

考古学 发表于 2025-3-23 17:20:05

Thermodynamic Stability of Conjugated MoleculesWe already know that the molecular orbital energy levels of the .-electrons in conjugated molecules are (within the HMO approximation) related to the eigenvalues of the molecular graph via ..

痛苦一下 发表于 2025-3-23 21:41:35

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invulnerable 发表于 2025-3-24 00:41:46

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里程碑 发表于 2025-3-24 06:08:54

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向外 发表于 2025-3-24 06:49:07

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forebear 发表于 2025-3-24 12:33:21

978-3-642-70984-5Springer-Verlag Berlin Heidelberg 1986

medieval 发表于 2025-3-24 16:24:46

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正论 发表于 2025-3-24 20:33:12

Molecular Topologytions, however, the present simple description will fully suffice. Suppose a molecule . is composed of . atoms ., ... , .. Suppose also that for any two atoms . and . we can decide which of the following two statements is correct:

pancreas 发表于 2025-3-25 00:51:18

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查看完整版本: Titlebook: Mathematical Concepts in Organic Chemistry; Ivan Gutman,Oskar E. Polansky Textbook 1986 Springer-Verlag Berlin Heidelberg 1986 algebra.che