NIST Atomic Ionization Energies Output

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2023). NIST Atomic Spectra Database (ver. 5.11), [Online]. Available: https://physics.nist.gov/asd [2024, April 24]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F

BibTex Citation (new window)

At. Num.	Ion Charge	El. name	Ionization Energy (eV)	Uncertainty (eV)	References
77	0	Iridium	8.96702	0.00022	L8105
77	+1	Iridium	[17.0]	0.3	L16139
77	+2	Iridium	(28.0)	1.6	L8672c99
77	+3	Iridium	(40.0)	1.7	L8672c99
77	+4	Iridium	(57.0)	1.9	L8672c99
77	+5	Iridium	(72.0)	2.0	L8672c99
77	+6	Iridium	(89.0)	2.0	L8672c99
77	+7	Iridium	(105.0)	2.1	L8672c99
77	+8	Iridium	[122.7]	0.9	L3654
77	+9	Iridium	[194.8]	0.6	L3654
77	+10	Iridium	(217)	11	L582
77	+11	Iridium	(240)	12	L582
77	+12	Iridium	(264)	14	L582
77	+13	Iridium	(303)	15	L582
77	+14	Iridium	(329)	16	L582
77	+15	Iridium	(356)	17	L582
77	+16	Iridium	(407)	20	L582
77	+17	Iridium	(445)	22	L582
77	+18	Iridium	(472)	24	L582
77	+19	Iridium	(510)	30	L582
77	+20	Iridium	(560)	30	L582
77	+21	Iridium	(610)	30	L582
77	+22	Iridium	(670)	30	L582
77	+23	Iridium	(720)	40	L582
77	+24	Iridium	(770)	40	L582
77	+25	Iridium	(820)	40	L582
77	+26	Iridium	(870)	40	L582
77	+27	Iridium	(920)	50	L582
77	+28	Iridium	(980)	50	L582
77	+29	Iridium	(1 030)	50	L582
77	+30	Iridium	(1 080)	50	L582
77	+31	Iridium	(1 331)	4	L8672c99
77	+32	Iridium	(1 381)	4	L8672c99
77	+33	Iridium	(1 436)	5	L8672c99
77	+34	Iridium	(1 493)	5	L8672c99
77	+35	Iridium	(1 548)	5	L8672c99
77	+36	Iridium	(1 603)	5	L8672c99
77	+37	Iridium	(1 684)	4	L8672c99
77	+38	Iridium	(1 739)	4	L8672c99
77	+39	Iridium	(1 801)	4	L8672c99
77	+40	Iridium	(1 857)	4	L8672c99
77	+41	Iridium	(2 083)	4	L8672c99
77	+42	Iridium	(2 139)	4	L8672c99
77	+43	Iridium	(2 201)	4	L8672c99
77	+44	Iridium	(2 258)	4	L8672c99
77	+45	Iridium	(2 435)	4	L8672c99
77	+46	Iridium	(2 500)	4	L8672c99
77	+47	Iridium	(2 656)	4	L8672c99
77	+48	Iridium	[2 720.4]	1.4	L10278
77	+49	Iridium	(4 540)	4	L8672c99
77	+50	Iridium	(4 668)	4	L8672c99
77	+51	Iridium	(4 806)	4	L8672c99
77	+52	Iridium	(4 952)	4	L8672c99
77	+53	Iridium	(5 092)	5	L8672c99
77	+54	Iridium	(5 229)	5	L8672c99
77	+55	Iridium	(5 466)	5	L8672c99
77	+56	Iridium	(5 609)	5	L8672c99
77	+57	Iridium	(5 765)	6	L8672c99
77	+58	Iridium	(5 910)	6	L8672c99
77	+59	Iridium	(6 315)	7	L8672c99
77	+60	Iridium	(6 441)	10	L8672c99
77	+61	Iridium	(6 580)	12	L8672c99
77	+62	Iridium	(6 708)	15	L8672c99
77	+63	Iridium	(7 274)	19	L8672c99
77	+64	Iridium	(7 421)	24	L8672c99
77	+65	Iridium	(7 710)	30	L8672c99
77	+66	Iridium	(7 850)	40	L8672c99
77	+67	Iridium	(17 040)	40	L8672c99
77	+68	Iridium	(17 390)	50	L8672c99
77	+69	Iridium	(17 770)	50	L8672c99
77	+70	Iridium	(18 120)	60	L8672c99
77	+71	Iridium	(20 210)	60	L8672c99
77	+72	Iridium	(20 650)	70	L8672c99
77	+73	Iridium	(21 200)	90	L8672c99
77	+74	Iridium	(21 556.60)	0.24	L16264c99
77	+75	Iridium	(86 442.44)	0.25	L21139
77	+76	Iridium	(88 113.6)	1.4	L19200

At. Num.

Ion Charge

El. name

Ionization Energy
(eV)

Uncertainty
(eV)

References

Iridium

8.96702

0.00022

L8105

Iridium

[17.0]

0.3

L16139

Iridium

(28.0)

1.6

NIST Atomic Spectra Database Ionization Energies Data Ir (all spectra) 77 Data Rows Found	Example of how to reference these results: Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2023). NIST Atomic Spectra Database (ver. 5.11), [Online]. Available: https://physics.nist.gov/asd [2024, April 24]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F BibTex Citation (new window)