将“锂键”概念拓展到化学概论课程的氢键知识教学

臧宏瑛, 王永慧, 李阳光

Extending the "Lithium Bond" Concept to the Knowledge of Hydrogen Bond

Hongying Zang, Yonghui Wang, Yangguang Li

表2 HF、LiF与水、氨(X) 形成氢键和锂键前后的键长对比(pm)

X X···HF(H-F) X···H-F X···LiF(Li-F) X···Li-F H2O 167.3 (95.7) 263 195.4(154.0) 349.4 NH3 181.2 (95.7) 276.9 208.9(157.6) 366.5