Table 2: Experimental radiative lifetimes in Ir II.
Levela Energy $\lambda_{{\rm exc}}^b$ $\lambda_{{\rm obs}}^c$ Lifetime
    (cm-1) (Å) (Å) (ns)
(4F)6p z5D4 44 575.66 2512.6 2242.7 5.4(4)
(4F)6p z5F5 47 003.98 2126.8 2362.6 4.4(3)
(5D)6sp z7D4 50 301.96 2081.0 2196.4 34(3)
(4F)6p z5D3 51 226.62 2076.8 2152.7 4.8(4)
(5D)6sp z7D5 51 333.01 2147.8 3118.8 52.0(5)
(4F)6p z5F2 51 371.96 2314.9 2586.1 6.6(5)
(4F)6p z5F1 51 978.21 2044.8 2300.9 5.3(4)
(4F)6p z3D2 52 510.10 2300.9 2714.1 6.5(4)
(4F)6p z5G3 53 196.31 2065.1 2793.8 8.0(5)
a LS level notation based upon Van Kleef & Metsch (1978).
b Laser wavelength used to populate the upper state.
c Wavelength used to detect the fluorescence signal.

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