Physical Chemistry Third Edition

842 20 The Electronic States of Diatomic Molecules density for the simple LCAOMO wave function of Eq. (20.3-5) by integrating th ...

20.3 Homonuclear Diatomic Molecules 843 For the He 2 molecule we letZ2. Electron–electron repulsion terms are omitted from this ...

844 20 The Electronic States of Diatomic Molecules In order to discuss molecules beyond Be 2 , we construct additional LCAOMOs, ...

20.3 Homonuclear Diatomic Molecules 845 Orbital energy Atomic orbitals 1 sA 1 sA 2 sA 2 sB 2 pxA2pyA2pzA2pzB2pzB2pyB Atomic orbi ...

846 20 The Electronic States of Diatomic Molecules Table 20.2 Ground-State Electron Configurations of Homonuclear Diatomic Molec ...

20.3 Homonuclear Diatomic Molecules 847 Term Symbols for Homonuclear Diatomic Molecules As with atoms, term symbols are used to ...

848 20 The Electronic States of Diatomic Molecules Term symbols can be written for the ground levels of homonuclear diatomic mol ...

20.3 Homonuclear Diatomic Molecules 849 Exercise 20.12 a.Using as many nonbonding orbitals as possible give the ground-state ele ...

850 20 The Electronic States of Diatomic Molecules Exercise 20.14 a.Write a simple valence-bond wave function for the ground sta ...

20.4 Heteronuclear Diatomic Molecules 851 20.18For each of the following ions or molecules, give the bond order and the number o ...

852 20 The Electronic States of Diatomic Molecules We denote the distance from the hydrogen nucleus to electron numberibyriHand ...

20.4 Heteronuclear Diatomic Molecules 853 2 p 2 s 1 s Li atomic orbitals Molecular orbitals H atomic orbitals 1 s 2 1 3 ...

854 20 The Electronic States of Diatomic Molecules This orbital is orthogonal toψ 2 sp(1). EXAMPLE20.9 Using the fact that the 2 ...

20.4 Heteronuclear Diatomic Molecules 855 z y 2 s (a) (b)
 z y 2 pz
 z y 2 sp(1)
 z y 2 sp(2)
 Figure 20.15 Orbital ...

856 20 The Electronic States of Diatomic Molecules Figure 20.16 The Orbital Region of the Bonding LiH Orbital.Positive regions a ...

20.4 Heteronuclear Diatomic Molecules 857 Solution Place a chargeQatr 2 and a charge of−Qatr 1. Thexcomponent ofμis μxQx 2 +(−Q ...

858 20 The Electronic States of Diatomic Molecules The formula shown in Eq. (20.4-13) is the same as if theith electron were a “ ...

20.4 Heteronuclear Diatomic Molecules 859 Qualitative Description of Bonding in Molecules The results of the Hartree–Fock–Rootha ...

860 20 The Electronic States of Diatomic Molecules The energies of the LCAOMOs and hybrid orbitals are shown schematically in th ...

20.4 Heteronuclear Diatomic Molecules 861 The designations g and u are not used because the orbitals are not eigenfunctions of t ...