本文根据离子晶体模型,计算了α-TiCl_3层状晶体内氯离子格点上的极化电场强度(E_⊥=13.2×10~8伏/厘米,E_(11)=3.3×10~8伏/厘米),以及晶体的极化能(U_(p⊥)=-102千卡/克分子,U_(p11)=-167千卡/克分子)和晶格能(U=-1206千卡/克分子).计算出的U值与由Born循环估计出的实验值(U_实=-1215千卡/克分子)相当接近.讨论了α-烯烃在α-TiCl_3-AIR_3催化剂上聚合时晶体极化电场对于烯键的极化作用和对于α-烯烃分子排列的定向作用。 According to the ion crystal model, the intensity of the polarized electric field on the lattice points of chloride ions in the α-TiCl 3 layered crystals was calculated (E_⊥ = 13.2 × 10 -8 V / cm, E 11 = 3.3 × 10 -8 V / (U_ (p⊥) = -10.2 kcal / mol, U p11 = - 167 kcal / mol) and the lattice energy (U = -1206 kcal / Molecule) .The calculated U-value is quite close to the experimental value estimated by the Born cycle (U_real = -1215 kcal / mol) .The effect of α-olefin on α-TiCl_3-AIR_3catalyst The polarization of the electric field by the electric field and the orientation effect on the molecular arrangement of α-olefin.