| 
|  | Configuration |  |  |  | Term |  |  |  | J |  |  |  | Level(cm-1) |  |  |  | Ref. |  | 
|---|
 |  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5d7(4F)6s | 5F | 5 | 0.00 | KM78 |  |  |  | 4 | 4787.93 | KM78 |  |  |  | 3 | 8186.96 | KM78 |  |  |  | 2 | 11307.32 | KM78 |  |  |  | 1 | 11957.70 | KM78 |  |  |  |  |  |  |  | 5d8 | 3F | 4 | 2262.75 | KM78 |  |  |  | 3 | 9927.83 | KM78 |  |  |  | 2 | 17413.24 | KM78 |  |  |  |  |  |  |  |  | a 3P | 2 | 3090.17 | KM78 |  |  |  | 1 | 9062.14 | KM78 |  |  |  | 0 | 11211.93 | KM78 |  |  |  |  |  |  |  |  | 1 | 2 | 8975.01 | KM78 |  |  |  |  |  |  |  |  | 2 | 4 | 11719.09 | KM78 |  |  |  |  |  |  |  | 5d7(4P)6s | 5P | 3 | 12714.64 | KM78 |  |  |  | 2 | 15676.35 | KM78 |  |  |  | 1 | 18676.50 | KM78 |  |  |  |  |  |  |  | 5d66s2 | 5D | 4 | 17210.14 | KM78 |  |  |  |  |  |  |  | 5d7(2G)6s | 3G | 5 | 17477.92 | KM78 |  |  |  |  |  |  |  | 5d7(4F)6s | 3F | 3 | 17499.29 | KM78 |  |  |  |  |  |  |  | 5d7(4F9/2)6p1/2 | (9/2,1/2)° | 4 | 44575.66 | KM78 |  |  |  | 5 | 47003.98 | KM78 |  |  |  |  |  |  |  | 5d7(4F7/2)6p1/2 | (7/2,1/2)° | 3 | 51226.62 | KM78 |  |  |  | 4 | 53525.25 | KM78 |  |  |  |  |  |  |  | 
 |  | Ir III (4F9/2) | Limit |  |  |  |  |  |  |  |  |  |  |