Hz Hz g 18 16 14 14 12 12 10 10 8 8 6 6 4 4 2 2 0 0 0 306090120150 180° p Karplus-Conroy Eq.3Jhh=acos2Φ-0.28(a=10ifΦ<90；a=15if4>90) Martin Karplus:2013 Nobel laureate.(CHARMM,量子力学和经典力学结合计算生 物学问题) Karplus-Conroy Eq. 3JHH = a cos2f - 0.28 (a =10 if f<90; a=15 if f >90) Martin Karplus: 2013 Nobel laureate. (CHARMM, 量子力学和经典力学结合计算生 物学问题)