9.2 VSEPR theory of atoms of lone 分子构型 bonded to pairs on Arrangement of Molecular Class central atom central atom electron pairs Geometry AB 4 0 tetrahedral tetrahedral B 109.5° Methane CHa B 四面体 四面体 109.5° 6C:1s22s22p2 Tetrahedral
Class # of atoms bonded to central atom # of lone pairs on central atom Arrangement of electron pairs Molecular Geometry AB4 4 0 tetrahedral tetrahedral Methane CH 9.2 VSEPR theory 分子构型 Methane CH4 四面体 2 2 2 6C :1s 2s p 2 四面体
9.2 VSEPR theory of atoms lone 分子构型 bonded to pairs on Arrangement of Molecular Class central atom central atom electron pairs Geometry AB5 5 0 trigonal trigonal bipyramidal I bipyramidal Phosphorus Pentachloride (PCL) 90 B B 90° 三角双锥 三角双锥 120° 1sP:1s22s22p3s23p3 Trigonal bipyramidal
Class # of atoms bonded to central atom # lone pairs on central atom Arrangement of electron pairs Molecular Geometry AB5 5 0 trigonal bipyramidal trigonal bipyramidal Phosphorus Pentachloride (PCl ) 9.2 VSEPR theory 分子构型 (PCl5) 三角双锥 三角双锥 2 2 6 1 2 3 5P p :1 2 2 s s 3 3 s p