【正文】
e wavefunction is in ()??( ) ( )? ? ?? ? ? ?13 ? ( ) ( )R ? ? ?? ? ? ?? ( ) ( )imRe ???? ? ?????????????????????????????????????????????????????????????????????????????????????????????????????illiimliililliimliililliimliileeeeeeeeeeeeeeezR)1()1()1()1()1()1(00000000000000000000)(?????????????????????????????14 112222( ( ) ) ( ( ) ) i l i liie C e C e e?? ??? ? ? ?? ? ? ?? ? ?? ? ? ? ?? ? ? ?? ? ?1122221si n ( )2( ( ) )1si n2i l i liileeCee????????? ? ? ?? ? ?? ? ? ?? ? ? ?????????????? illiimliil eeeeeC ???? ??????? )1()1())(( ??15 Oh I 8C3 6C239。 6C4 3C2(C42) Splitting Pattern s 1 1 1 1 1 A1g p 3 0 1 1 1 T1u d 5 1 1 1 1 Eg+T2g f 7 1 1 1 1 A2u+T1u+T2u g 9 0 1 1 1 A1g+Eg+T1g+T2g 16 Oh Td D4h s A1g A1 A1g p T1u T2 A2u+Eu d Eg+T2g E+T2 A1g+B1g+B2g+Eg f A2u+T1u+T2u A2+T1+T2 A2u+B1u+B2u+2Eu g A1g+Eg+T1g+T2g A1+E+T1+T2 2A1g+ A2g+ B1g+B2g+2Eg 17 Splitting of Terms Weak field and strong field schemes Weak Field: Strong Field: Field–orbital interaction is much weaker than electronelectron interactions in the atoms. The field is considered to be a perturbation to the TERMs of the many electron atoms FieldOrbital interacti