自然键轨道分析表明分子内与分子间超共轭和重杂化理论可以解释这些氢键的形成机制。
Natural bond orbital analysis shows that these H-bonds can be interpreted with the theory of inter-and intra-molecular hyperconjugation and rehybridization.
铑催化不对称1，4-共轭加成反应是一种非常有效的碳—碳键形成方法。
In this paper, the recent progress in rhodium-catalyzed asymmetric 1,4-conjugate addition reactions is reviewed.
计算了碱金属和石墨的共轭能和键级。
The resonance energies and the bond orders of alkali metals and graphite were calculated.
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