氢元素教学内容的重构

李晖, 谭君蕊

Updating the Teaching Content of Hydrogen Element

Hui Li, Junrui Tan

表3 氢键强度的几何构型参数[18]

Strong Moderate Weak D/? 2.2-2.5 2.5-3.2 >3.2 H…Y/? 1.2-1.5 1.5-2.2 >2.2 θ/° 170-180 >130 >90 X-H vs. H…Y X-H-H…Y X-H>H…Y X-H>>H…Y Bond energy/kJ mol-1 63-167 17-63 < 17