| Section | Title | Page |
| 6.01 | Introduction | 254 |
| 6.02 | Spin and Product Functions | 255, 256, 257 |
| 6.03 | Electronic States (I) | 258, 259, 260, 261, 262, 263, 264, 265, 266 |
| 6.04 | Exciton Calculations | 267, 268 |
| 6.05 | Electronic States (II) | 269, 270, 271, 272, 273, 274, 275, 276, 277 |
| 6.06 | Exciton Potentials | 278, 279, 280, 281, 282, 283, 284, 285, 286, 287 |
| 6.07 | The Vibronic Problem | 288, 289, 290, 291 |
| References 6 | 292, 293, 294 |