Spectrum and energy levels of five-times ionized tantalum (Ta vi)

Victor Kaufman; Jack Sugar

doi:10.1364/JOSA.65.000302

Journal of the Optical Society of America
Vol. 65,
Issue 3,
pp. 302-309
(1975)
•https://doi.org/10.1364/JOSA.65.000302

Spectrum and energy levels of five-times ionized tantalum (Ta vi)

Victor Kaufman and Jack Sugar

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Victor Kaufman and Jack Sugar, "Spectrum and energy levels of five-times ionized tantalum (Ta vi)," J. Opt. Soc. Am. 65, 302-309 (1975)

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Abstract

The spectrum of Ta vi produced with a sliding-spark discharge was photographed in the region of ~200–2000 Å utilizing grazing-incidence and normal-incidence spectrographs. A system of seventy excited energy levels was deduced from 228 spectral lines. These arise from excitations out of both the 4f and 5p closed shells of the 4f¹⁴5s²5p⁶ ground configuration, giving the observed configurations 4f¹³nl with nl = 5d, 6s, 6p, 6d, 7s and 5p⁵nl with nl = 5d, 6s, 6p. Radial integrals were fitted for all of these configurations. A value of 785 130 ± 400 cm⁻¹ for the ionization energy was derived. A graph of lowest excited levels of 4f¹³5d and 5p⁵5d from Lu iv to Re viii predicts the crossing of these configurations after W vii.

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Config.	Term	J	Level (cm⁻¹)
4f¹⁴5p⁶	¹S	0	0.0
4f¹³5p⁶5d	(7/2, 3/2)°	2	230 924.4
		5	236 438.8
		3	239 599.4
		4	241 235.5
	(7/2, 5/2)°	1	242 614.2
		6	243 309
		2	244 923.7
		4	248 055.0
		3	249 484.5
		5	250 536.4
	(5/2, 3/2)°	4	251 742.8
		2	253 591.0
		3	258 566.4
		1	258 774.2
	(5/2, 5/2)°	0	251 806
		1	260 097.8
		5	260 457.1
		2	261 948.0
		3	264 541.9
		4	265 728.2
4f¹⁴5p⁵5d	(3/2, 3/2)°	1	296 590.5
		2	306 450.5
		3	306 511.8
	(3/2, 5/2)°	4	307 855.3
		2	313 216.2
		3	323 283.8
		1	345 938.0
4f¹³5p⁶6s	(7/2, 1/2)°	4	319 850.5
		3	320 195.9
	(5/2, 1/2)°	2	335 112.2
		3	335 655.9
4f¹⁴5p⁵6s	(3/2, 1/2)°	2	380 434.8
		1	384 545.2
4f¹³5p⁶6p	(7/2, 1/2)	3	386 304.1
		4	386 882.9
	(5/2, 1/2)	3	401 727.1
		2	402 187.7
	(7/2, 3/2)	5	402 616.4
		2	403 415.0
		3	404 169.7
		4	405 008.8
	(5/2, 3/2)	1	416 844.3
		4	418 512.6
		2	419 358.0
		3	420 171.3
4f¹⁴5p⁵5d	(1/2, 3/2)°	1	416 908
4f¹⁴5p⁵6s	(1/2, 1/2)°	1	458 172
4f¹⁴5p⁵6p	(3/2, 1/2)	1	445 767.9
		2	448 139.5
	(3/2, 3/2)	3	462 853.7
		1	463 436.4
		2	467 430.1
4f¹³5p⁶6d	(7/2, 3/2)°	5	498 267.1
		3	499 082.2
		4	499 564.2
	(7/2, 5/2)°	6	500 455.8
		2	500 935.2
		4	501 920.0
		3	502 076.9
		5	502 323.5
	(5/2, 3/2)°	4	513 451.2
		2	514 135.1
		3	515 279.0
	(5/2, 5/2)°	5	516 242.0
		2	516 673.6
		4	517 666.9
4f¹³5p⁶7s	(7/2, 1/2)°	4	516 659.5
		3	516 832.1
	(5/2, 1/2)°	2	532 052.4
		3	532 237.2

Parameter	4f¹³5d	4f¹³6p	4f¹³6p	4f¹³6s	4f¹³7s
A	260 246(540)	509 578(68)	407 889(61)	326 875(140)	523 432(20)
F²(fd)	32 009(280)	8 043(57)
F⁴(fd)	21 109(520)	4 310(160)
G¹(fd)	9 582(65)	2 136(fixed)
G³(fd)	13 099(640)	2 919(82)
G⁵(fd)	8 728(850)	2 481(110)
D¹(fd)	2 199(360)
D²(fd)	0(fixed)
X²(fd)	−1 778(440)
X⁴(fd)	−3 414(1300)
F²(fp)			11 183(63)
G²(fp)			3 421(35)
G⁴(fp)			3 408(140)
D¹(fp)			292(60)
X³(fp)			0(fixed)
G³(fs)				3 479(1400)	1 226(200)
ζ_p			11 163(9)
ζ_d	3 347(18)	1 048(3)
ζ_f	4 377(13)	4 392(2)	4 389(3)	4 386(57)	4 406(8)
rms error	84	15	18	36	29

Parameter	5p⁵5d	5p⁵6s	5p⁵6p
A	332 368(110)	408 775(130)	483 381(37)
F²(pd)	56 805(1300)
G¹(pd)	66 510(1000)
G³(pd)	48 167(1800)
R²(fd, ps)	2 028 (fixed)
R³(fd, sp)	−3 578 (fixed)
G¹(ps)		9 522(700)
F²(pp^′)			20 025(750)
G⁰(pp^′)			6 065 (fixed)
G²(pp^′)			8 675(600)
ζ(5p)	49 300 (fixed)	50 333(160)	50 700 (fixed)
ζ(5d)	3 259(100)
ζ(6p)			11 244(59)
rms error	125	0	35

	4f¹³5d	5p⁵5d	5p⁵6s
F²	1.201	1.224
F⁴	0.861
G¹	1.383	1.281
G³	0.938	0.904	0.833
G⁵	1.120
ζ_f	1.077
ζ_d	1.028	0.983
ζ_p			0.771

J	Levels		Calc. minus obs.	Composition (%)
J	Calculated	Observed	Calc. minus obs.	Composition (%)
0	251 821	251 806	15	(5/2, 5/2) 100
1	242 588	242 614	−26	(7/2, 5/2) 63	(5/2, 3/2) 23
	258 879	258 774	105	(5/2, 3/2) 52	(5/2, 5/2) 46
	260 074	260 098	−24	(5/2, 5/2) 40	(7/2, 5/2) 35
2	230 914	230 924	−10	(7/2, 3/2) 87	(7/2, 5/2) 11
	244 944	244 924	20	(7/2, 5/2) 88	(7/2, 3/2) 12
	253 585	253 591	−6	(5/2, 3/2) 98	(7/2, 3/2) 1
	261 846	261 948	−102	(5/2, 5/2) 98	(5/2, 3/2) 1
3	239 598	239 599	−1	(7/2, 3/2) 98	(7/2, 5/2) 2
	249 444	249 485	−41	(7/2, 5/2) 95	(7/2, 3/2) 2
	258 519	258 566	−47	(5/2, 3/2) 98	(7/2, 5/2) 1
	264 681	264 542	139	(5/2, 5/2) 98	(7/2, 5/2) 1
4	241 186	241 236	−50	(7/2, 3/2) 96	(7/2, 5/2) 2
	248 126	248 055	71	(7/2, 5/2) 85	(5/2, 3/2) 14
	251 736	251 743	−7	(5/2, 3/2) 83	(7/2, 5/2) 12
	265 719	265 728	−9	(5/2, 5/2) 98	(5/2, 3/2) 2
5	236 509	236 439	70	(7/2, 3/2) 98,	(7/2, 5/2) 2
	250 518	250 536	−18	(7/2, 5/2) 97	(5/2, 5/2) 2
	260 397	260 457	−60	(5/2, 5/2) 98	(7/2, 5/2) 2
6	243 302	243 309	−7	(7/2, 5/2) 100

Wavelength (Å)	Intensity	Wave number (cm⁻¹)	Classification
1586.788	40	63 020.4	${323 283}_{3}^{°} - 386 304_{4}$
1572.469	600b	63 594.3	${384 545}_{1}^{°} - {448 139}_{2}$
1572.349	300	63 599.1	${323 283}_{3}^{°} - {386 882}_{3}$
1530.617	500bb	65 333.1	${380 434}_{2}^{°} - {445 767}_{1}$
1513.522	1000bb	66 071.1	${335 655}_{3}^{°} - 401 727_{3}$
1512.672	400b	66 108.2	$320 195_{3}^{°} - 386 304_{4}$
1504.809	3000bb	66 453.6	${319 850}_{4}^{°} - 386 304_{4}$
1503.042	1000bb	66 531.8	${335 655}_{3}^{°} - 402 187_{2}$
1501.167	1000bb	66 614.9	${335 112}_{2}^{°} - 401 727_{3}$
1499.541	1000bb	66 687.1	${320 195}_{3}^{°} - {386 882}_{3}$
1491.816	2000b	67 032.4	${319 850}_{4}^{°} - {386 882}_{3}$
1490.859	200	67 075.4	${335 112}_{2}^{°} - 402 187_{2}$
1477.002	500b	67 704.7	${380 434}_{2}^{°} - {448 139}_{2}$
1475.815	500bb	67 759.2	${335 655}_{3}^{°} - 403 415_{2}$
1464.068	100	68 302.8	${335 112}_{2}^{°} - 403 415_{2}$
1459.562	30b	68 513.7	${335 655}_{3}^{°} - 404 169_{3}$
1448.065	50	69 057.7	${335 112}_{2}^{°} - 404 169_{3}$
1274.803	10	78 443.5	${323 283}_{3}^{°} - 401 727_{3}$
1274.717	20	78 448.8	${307 855}_{4}^{°} - 386 304_{4}$
1267.568	200	78 891.3	${384 545}_{1}^{°} - {463 436}_{1}$
1267.364	100	78 904.0	${323 283}_{3}^{°} - 402 187_{2}$
1265.384	200	79 027.4	${307 855}_{4}^{°} - {386 882}_{3}$
1253.252	2	79 792.4	${306 511}_{3}^{°} - 386 304_{4}$
1247.952	60	80 131.3	${323 283}_{3}^{°} - 403 415_{2}$
1244.225	10	80 371.3	${306 511}_{3}^{°} - {386 882}_{3}$
1236.311	100	80 885.8	${323 283}_{3}^{°} - 404 169_{3}$
1226.523	100	81 531.3	${320 195}_{3}^{°} - 401 727_{3}$
1223.618	20	81 724.9	${323 283}_{3}^{°} - 405 008_{4}$
1223.510	200	81 732.1	${335 112}_{1}^{°} - {416 844}_{1}$
1221.350	10	81 876.6	${319 850}_{4}^{°} - 401 727_{3}$
1213.314	400	82 418.9	${380 434}_{2}^{°} - {462 853}_{3}$
1208.226	1000	82 766.0	${319 850}_{4}^{°} - 402 616_{5}$
1206.999	500	82 856.9	${335 655}_{3}^{°} - {418 512}_{4}$
1206.49 ^a		82 885.	${384 545}_{1}^{°} - 467 430_{2}$
1201.644	300	83 219.3	${320 195}_{3}^{°} - 403 415_{2}$
1194.712	100	83 702.2	${335 655}_{3}^{°} - {419 358}_{2}$
1190.846	500	83 973.9	${320 195}_{3}^{°} - 404 169_{3}$
1187.098	400	84 246.1	${335 112}_{2}^{°} - {419 358}_{2}$
1185.969	200	84 319.2	${319 850}_{4}^{°} - 404 169_{3}$
1183.214	400	84 515.6	${335 655}_{3}^{°} - 420 171_{3}$
1179.068	300	84 812.8	${320 195}_{3}^{°} - 405 008_{4}$
1175.625^b	500	85 061.2	${335 112}_{2}^{°} - 420 171_{3}$
1174.281	500	85 158.5	${319 850}_{4}^{°} - 405 008_{4}$
1149.486	200	86 995.4	${380 434}_{2}^{°} - 467 430_{2}$
1072.291	30	93 258.2	$405 008_{4} - {498 267}_{5}^{°}$
1072.042	3	93 279.9	$420 171_{3} - {513 451}_{4}^{°}$
1064.235	3	93 964.2	$420 171_{3} - {514 135}_{2}^{°}$
1062.995	30	94 073.8	$405 008_{4} - {499 082}_{3}^{°}$
1057.581	10	94 555.4	$405 008_{4} - {499 564}_{4}^{°}$
1055.283	3	94 761.3	${307 855}_{4}^{°} - 402 616_{5}$
1053.307	3	94 939.0	${418 512}_{4} - {513 451}_{4}^{°}$
1051.434	2	95 108.2	$420 171_{3} - {515 278}_{3}^{°}$
1050.104	2	95 228.7	${323 283}_{3}^{°} - {418 512}_{4}$
1048.272	10	95 395.1	$404 169_{3} - {499 564}_{4}^{°}$
1045.470	20	95 650.7	$402 616_{5} - {498 267}_{5}^{°}$
1036.427	10	96 485.3	$420 171_{3} - {516 659}_{4}^{°}$
1036.248	2	96 502.0	$420 171_{3} - {516 673}_{2}^{°}$
1034.543	3	96 661.0	$420 171_{3} - {516 832}_{3}^{°}$
1033.423	40	96 765.8	$404 169_{3} - {500 935}_{2}^{°}$
”			${418 512}_{4} - {515 278}_{3}^{°}$
1031.873	200	96 911.1	$405 008_{4} - {501 920}_{4}^{°}$
1031.479	5	96 948.2	$402 616_{5} - {499 564}_{4}^{°}$
1030.204	15	97 068.2	$405 008_{4} - {502 076}_{3}^{°}$
1029.294	15	97 153.9	${307 855}_{4}^{°} - 405 008_{4}$
1027.852	40	97 290.3	${416 844}_{1} - {514 135}_{2}^{°}$
1027.594	200	97 314.7	$405 008_{4} - {502 323}_{5}^{°}$
1025.904	10	97 475.0	${419 358}_{2} - {516 832}_{3}^{°}$
1025.688	70	97 495.5	$420 171_{3} - {517 666}_{4}^{°}$
1025.430	30	97 520.1	$403 415_{2} - {500 935}_{2}^{°}$
1023.983	2	97 657.8	${306 511}_{3}^{°} - 404 169_{3}$
1023.233	200	97 729.4	${418 512}_{4} - {516 242}_{5}^{°}$
1023.014	100	97 750.4	$404 169_{3} - {501 920}_{4}^{°}$
1022.083	300	97 839.4	$402 616_{5} - {500 455}_{6}^{°}$
1021.373	100	97 907.4	$404 169_{3} - {502 076}_{3}^{°}$
1015.263	3	98 496.6	${306 511}_{3}^{°} - 405 008_{4}$
1013.562	20	98 661.9	$403 415_{2} - {502 076}_{3}^{°}$
1012.683	30	98 747.6	$402 187_{2} - {500 935}_{2}^{°}$
1008.528	40	99 154.4	${418 512}_{4} - {517 666}_{4}^{°}$
1007.010	1	99 303.9	$402 616_{5} - {501 920}_{4}^{°}$
1002.938	100	99 707.0	$402 616_{5} - {502 323}_{5}^{°}$
1001.706	30	99 829.7	${416 844}_{1} - {516 673}_{2}^{°}$
1001.111	20	99 889.0	$402 187_{2} - {502 076}_{3}^{°}$
998.076	3	100 192.8	$401 727_{3} - {501 920}_{4}^{°}$
996.514	2	100 349.8	$401 727_{3} - {502 076}_{3}^{°}$
915.072	3	109 281.0	$404 169_{3} - {513 451}_{4}^{°}$
903.180	10	110 719.9	$403 415_{2} - {514 135}_{2}^{°}$
895.649	40	111 650.9	$405 008_{4} - {516 659}_{4}^{°}$
895.065	100	111 723.7	$401 727_{3} - {513 451}_{4}^{°}$
894.271	10	111 822.9	$405 008_{4} - {516 832}_{3}^{°}$
893.945	5	111 863.7	$403 415_{2} - {515 278}_{3}^{°}$
893.807	5	111 881.0	$420 171_{3} - {532 052}_{2}^{°}$
893.277	20	111 947.4	$402 187_{2} - {514 135}_{2}^{°}$
892.333	10	112 065.8	$402 171_{3} - {532 237}_{3}^{°}$
891.277	20	112 198.6	${386 882}_{3} - {499 082}_{3}^{°}$
889.617	5	112 407.9	$401 727_{3} - {514 135}_{2}^{°}$
888.968	3	112 490.0	$404 169_{3} - {516 659}_{4}^{°}$
887.610	20	112 662.1	$404 169_{3} - {516 832}_{3}^{°}$
887.468	50	112 680.1	${386 882}_{3} - {499 564}_{4}^{°}$
887.354	5	112 694.6	${419 358}_{2} - {532 052}_{2}^{°}$
886.698	50	112 778.0	$386 304_{4} - {499 082}_{3}^{°}$
884.244	10	113 090.9	$402 187_{2} - {515 278}_{3}^{°}$
882.930	50	113 259.3	$386 304_{4} - {499 564}_{4}^{°}$
881.700	3	113 417.3	$403 415_{2} - {516 832}_{3}^{°}$
880.659	30	113 551.3	$401 727_{3} - {515 278}_{3}^{°}$
879.318	30	113 724.5	${418 512}_{4} - {532 237}_{3}^{°}$
876.865	50	114 042.6	$402 616_{5} - {516 659}_{4}^{°}$
872.271	3	114 643.3	$402 187_{2} - {516 832}_{3}^{°}$
867.994	5	115 208.2	${416 844}_{1} - {532 052}_{2}^{°}$
851.076	10	117 498.4	${345 938}_{1}^{°} - {463 436}_{1}$
777.380	1	128 637.2	$403 415_{2} - {532 052}_{2}^{°}$
776.263	8	128 822.3	$403 415_{2} - {532 237}_{3}^{°}$
770.554	40	129 776.8	${386 882}_{3} - {516 659}_{4}^{°}$
770.036	5	129 864.1	$402 187_{2} - {532 052}_{2}^{°}$
769.532	100	129 949.1	${386 882}_{3} - {516 832}_{3}^{°}$
768.938	30	130 049.5	$402 187_{2} - {532 237}_{3}^{°}$
767.308	50	130 325.8	$401 727_{3} - {532 052}_{2}^{°}$
767.132	100	130 355.7	$386 304_{4} - {516 659}_{4}^{°}$
766.221	30	130 510.6	$401 727_{3} - {532 237}_{3}^{°}$
766.120	8	130 527.9	$386 304_{4} - {516 832}_{3}^{°}$
754.417	5	132 552.7	${313 216}_{2}^{°} - {445 767}_{1}$
743.153	10	134 561.8	${251 742}_{4}^{°} - 386 304_{4}$
741.162	70	134 923.3	${313 216}_{2}^{°} - {448 139}_{2}$
739.970	30	135 140.6	${251 742}_{4}^{°} - {386 882}_{3}$
735.397	3	135 999.5	${265 728}_{4}^{°} - 401 727_{3}$
728.940	4	137 185.5	${264 541}_{3}^{°} - 401 727_{3}$
727.807	5	137 399.1	${249 484}_{3}^{°} - {386 882}_{3}$
720.310	10	138 829.1	${248 054}_{4}^{°} - {386 882}_{3}$
717.784	100	139 317.7	${306 450}_{2}^{°} - {445 767}_{1}$
716.485	30	139 570.3	${323 283}_{3}^{°} - {462 853}_{3}$
715.413	1	139 779.4	${261 947}_{2}^{°} - 401 727_{3}$
706.077	200	141 627.6	${306 511}_{3}^{°} - {448 139}_{2}$
705.772	30	141 688.8	${306 450}_{2}^{°} - {448 139}_{2}$
703.435	4	142 159.5	${260 457}_{5}^{°} - 402 616_{5}$
700.977	2	142 658.0	${320 195}_{3}^{°} - {462 853}_{3}$
699.282	1	143 003.8	${319 850}_{4}^{°} - {462 853}_{3}$
698.517	200	143 160.4	${258 566}_{3}^{°} - 401 727_{3}$
697.752	100	143 317.4	${260 097}_{1}^{°} - 403 415_{2}$
697.282	40	143 414.0	${258 774}_{1}^{°} - 402 187_{2}$
696.276	100	143 621.1	${258 566}_{3}^{°} - 402 187_{2}$
693.742	100	144 145.8	${323 283}_{3}^{°} - 467 430_{2}$
691.794	2	144 551.6	${260 457}_{5}^{°} - 405 008_{4}$
691.368	100	144 640.8	${258 774}_{1}^{°} - 403 415_{2}$
690.377	100	144 848.4	${258 566}_{3}^{°} - 403 415_{2}$
689.332	200	145 068.0	${241 235}_{4}^{°} - 386 304_{4}$
686.799	30	145 602.9	${258 566}_{3}^{°} - 404 169_{3}$
686.592	300	145 646.9	${241 235}_{4}^{°} - {386 882}_{3}$
681.643	400	146 704.3	${239 599}_{3}^{°} - 386 304_{4}$
679.192	10	147 233.8	${320 195}_{3}^{°} - 467 430_{2}$
678.965	200	147 283.1	${239 599}_{3}^{°} - {386 882}_{3}$
675.057	50	148 135.6	${253 591}_{2}^{°} - 401 727_{3}$
672.964	200	148 596.5	${253 591}_{2}^{°} - 402 187_{2}$
670.342	60	149 177.6	${296 590}_{1}^{°} - {445 767}_{1}$
667.452	100	149 823.6	${253 591}_{2}^{°} - 403 415_{2}$
666.740	300	149 983.5	${251 742}_{4}^{°} - 401 727_{3}$
665.695	40	150 218.9	${313 216}_{2}^{°} - {463 436}_{1}$
664.107	7	150 578.1	${253 591}_{2}^{°} - 404 169_{3}$
659.855	20	151 548.4	${296 590}_{1}^{°} - {448 139}_{2}$
657.553	300	152 079.0	${250 536}_{5}^{°} - 402 616_{5}$
656.848	40	152 242.1	${249 484}_{3}^{°} - 401 727_{3}$
656.056	200	152 426.0	${251 742}_{4}^{°} - 404 169_{3}$
654.867	50	152 702.7	${249 484}_{3}^{°} - 402 187_{2}$
654.521	100	152 783.5	${265 728}_{4}^{°} - {418 512}_{4}$
652.462	30	153 265.7	${251 742}_{4}^{°} - 405 008_{4}$
650.740	200	153 671.2	${248 054}_{4}^{°} - 401 727_{3}$
649.646	50	153 930.0	${249 484}_{3}^{°} - 403 415_{2}$
649.474	5	153 970.7	${264 541}_{3}^{°} - {418 512}_{4}$
648.452	3	154 213.4	${313 216}_{2}^{°} - 467 430_{2}$
647.489	400	154 442.7	${265 728}_{4}^{°} - 420 171_{3}$
647.363	400	154 472.8	${250 536}_{5}^{°} - 405 008_{4}$
646.993	10	154 561.3	${248 054}_{4}^{°} - 402 616_{5}$
646.476	300	154 684.9	${249 484}_{3}^{°} - 404 169_{3}$
645.930	200	154 815.5	${264 541}_{3}^{°} - {419 358}_{2}$
645.595	50	154 895.8	${261 947}_{2}^{°} - {416 844}_{1}$
645.169	200	154 998.1	${307 855}_{4}^{°} - {462 853}_{3}$
642.986	50	155 524.3	${249 484}_{3}^{°} - 405 008_{4}$
642.553	200	155 629.2	${264 541}_{3}^{°} - 420 171_{3}$
640.557	200	156 114.2	${248 054}_{4}^{°} - 404 169_{3}$
639.125	20	156 341.6	${306 511}_{3}^{°} - {462 853}_{3}$
639.373	10	156 403.2	${306 450}_{2}^{°} - {462 853}_{3}$
637.973	50	156 746.5	${260 097}_{1}^{°} - {416 844}_{1}$
637.741	5	156 803.5	${244 923}_{2}^{°} - 401 727_{3}$
637.132	200	156 953.3	${248 054}_{4}^{°} - 405 008_{4}$
637.002	2	156 985.4	${306 450}_{2}^{°} - {463 436}_{1}$
635.876	100	157 263.4	${244 923}_{2}^{°} - 402 187_{2}$
635.285	100	157 409.7	${261 947}_{2}^{°} - {419 358}_{2}$
632.690	200	158 055.2	${260 457}_{5}^{°} - {418 512}_{4}$
632.631	40	158 069.9	${258 774}_{1}^{°} - {416 844}_{1}$
632.017	20	158 223.7	${261 947}_{2}^{°} - 420 171_{3}$
630.951	100	158 491.0	${244 923}_{2}^{°} - 403 415_{2}$
627.959	40	246.0	${244 923}_{2}^{°} - 404 169_{3}$
627.902	20	159 260.5	${260 097}_{1}^{°} - {419 358}_{2}$
627.716	400	159 307.8	${243 308}_{6}^{°} - 402 616_{5}$
626.670	100	159 573.6	${242 614}_{1}^{°} - 402 187_{2}$
625.209	15	159 946.5	${258 566}_{3}^{°} - {418 512}_{4}$
623.084	15	160 492.0	${241 235}_{4}^{°} - 401 727_{3}$
621.919	20	160 792.7	${258 566}_{3}^{°} - {419 358}_{2}$
621.889	20	160 800.4	${242 614}_{1}^{°} - 403 415_{2}$
621.197	40	160 979.5	${306 450}_{2}^{°} - {467 430}_{2}$
619.652	60	161 381.0	${241 235}_{4}^{°} - 402 616_{5}$
618.792	30	161 605.3	${258 566}_{3}^{°} - 420 171_{3}$
615.047	3	162 589.2	${239 599}_{3}^{°} - 402 187_{2}$
613.742	20	162 935.0	${241 235}_{4}^{°} - 404 169_{3}$
612.541	5	163 254.3	${253 591}_{2}^{°} - {416 844}_{1}$
610.699	40	163 773.7	${241 235}_{4}^{°} - 405 008_{4}$
610.444	10	163 815.2	${239 599}_{3}^{°} - 403 415_{2}$
605.920	30	165 038.4	${251 805}_{0}^{°} - {416 844}_{1}$
604.558	40	165 410.2	${239 599}_{3}^{°} - 405 008_{4}$
601.764	30	166 178.0	${236 438}_{5}^{°} - 402 616_{5}$
600.306	20	166 581.8	${253 591}_{2}^{°} - 420 171_{3}$
599.353	2	166 846.6	${296 590}_{1}^{°} - {463 436}_{1}$
595.320	4	167 977.0	${250 536}_{5}^{°} - {418 512}_{4}$
593.722	20	168 429.0	${251 742}_{4}^{°} - 420 171_{3}$
593.227	50	168 569.7	${236 438}_{5}^{°} - 405 008_{4}$
586.657	3	170 457.4	${248 054}_{4}^{°} - {418 512}_{4}$
585.865	10	170 687.8	${249 484}_{3}^{°} - 420 171_{3}$
585.470	3	170 802.9	${230 924}_{2}^{°} - 401 727_{3}$
585.344	3	170 839.7	${296 590}_{1}^{°} - 467 430_{2}$
581.659	5	171 921.9	${244 923}_{2}^{°} - {416 844}_{1}$
577.217	40	173 245.0	${230 924}_{2}^{°} - 404 169_{3}$
573.954	3	174 220.0	${242 614}_{1}^{°} - {416 844}_{1}$
565.794	5	176 742.8	${242 614}_{1}^{°} - {419 358}_{2}$
412.180	1500	242 612	$0_{0} - {242 614}_{1}^{°}$
386.436	3000	258 775	$0_{0} - {258 774}_{1}^{°}$
384.470	6000	260 098	$0_{0} - {260 097}_{1}^{°}$
337.165	2000	296 591	$0_{0} - {296 590}_{1}^{°}$
289.070	3000	345 937	$0_{0} - {345 938}_{1}^{°}$
260.045	1500	384 549	$0_{0} - {384 545}_{1}^{°}$
239.861	3000	416 908	$0_{0} - {416 908}_{1}^{°}$
218.259	1000	458 171	$0_{0} - {458 171}_{1}^{°}$

Ion	Δn^*(7s–6s)
Ion	from long series or corrected limit	from 3-member series
Lu iii	1.0457	1.0476
Hf iv	1.0443	1.0462
Ta v	1.0430	1.0448
W vi	(1.042)^a

Abstract

Cited By

Figures (6)

Tables (11)

Journal of the Optical Society of America