Carbon-Like Spectra of Sc xvi, Ti xvii, and V xviii in the Range 16–22 Å

S. Goldsmith; U. Feldman; A. Crooker; L. Cohen

doi:10.1364/JOSA.62.000260

Journal of the Optical Society of America
Vol. 62,
Issue 2,
pp. 260-264
(1972)
•https://doi.org/10.1364/JOSA.62.000260

Carbon-Like Spectra of Sc xvi, Ti xvii, and V xviii in the Range 16–22 Å

S. Goldsmith, U. Feldman, A. Crooker, and L. Cohen

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S. Goldsmith, U. Feldman, A. Crooker, and L. Cohen, "Carbon-Like Spectra of Sc xvi, Ti xvii, and V xviii in the Range 16–22 Å," J. Opt. Soc. Am. 62, 260-264 (1972)

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Abstract

The carbon-like spectra of Sc xvi, Ti xvii, and V xviii are reported for the first time. We have classified 44 new lines in the region 16–22 Å. Some previously unidentified lines of Cl xii and Ar xiii are also classified. We extrapolated the levels of the ground configuration 2s² 2p² by several methods and compared the calculations with the experimental results.

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Equations (24)

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Ion	(¹S₀–¹D₂)^b	(¹S₀–¹D₂)^c	(¹S₀–¹D₂)^d	(¹S₀–¹D₂)^e
S xi	67 050	63 500	65 360	66 711
Cl xii	74 310	68 100	70 920	72 831
Ar xiii	81 570	72 300	76 610	79 387

Ion	³P₁–³P₀	³P₂–³P₁	¹D₂–³P₂	¹S₀–¹D₂^b
Sc xvi	23.1^c	21.8^d	78.8	103.8
Ti xvii	29.8^c	25.4^d	86.0	114.7
V xviii	38.1	28.9	94.9	127.7

Ion	ζ₂_p^b	ζ₂_p^c	Ion	ζ′₂_p^d
N ii	96	112	N iii	116
O iii	223	250	O iv	257
F iv	436	484	F v	497
Ne v	789	841	Ne vi	877
Mg vii	2051	2188	Mg viii	2203
Al viii	3036	3200	Al ix	3260

Ion	³P₁°–³P₀°	³P₂°–³P₁°	¹P₁°–³P₂°
Sc xvi	5 640	39 910	17 960
Ti xvii	6 250	49 920	18 750
V xviii	6 850	61 720	19 550

	Sc xvi					Ti xvii				V xviii
Transition	Int.		λ calc (Å)	λ (Å)^a	1/λ (cm⁻¹)	Int.	λ calc (Å)	λ (Å)^a	1/λ (cm⁻¹)	Int.	λ calc (Å)	λ (Å)^a	1/λ (cm⁻¹)
2s²2p^{2 3}P₁–2s²2p3d ³P°		4	20.20	20.200	4 950 000	4	18.11	18.091	5 528 000	5	16.33	16.321	6 139 000
2s2p^{3 5}S₂°–2s2p²(⁴P)3d ⁵P₃		1	20.23	20.224	4 944 000	3	18.14	18.154	5 508 000	5	16.36	16.341	6 119 000
2s²2p^{2 3}P₂–2s²2p3d ³P°		2	20.28	20.291	4 928 000	2	18.18	18.172	5 503 000	5	16.39	16.378	6 106 000
2s²2p^{2 3}P₂–2s²2p3d ³D₃°		4	${\begin{array}{l} 20.32 \\ 20.31 \end{array}}$	20.330	4 918 000	2	${\begin{array}{l} 18.22 \\ 18.21 \end{array}}$	18.215	5 490 000	2	${\begin{array}{l} 16.43 \\ 16.42 \end{array}}$	16.423	6 089 000
2s²2p^{2 3}P₁–2s²2p3d ³D₂°		4	${\begin{array}{l} 20.32 \\ 20.31 \end{array}}$	20.330	4 918 000	2	${\begin{array}{l} 18.22 \\ 18.21 \end{array}}$	18.215	5 490 000	2	${\begin{array}{l} 16.43 \\ 16.42 \end{array}}$	16.423	6 089 000
2s²2p^{2 1}D₂–2s²2p3d ¹F₃°		4	20.39	20.392	4 904 000	5	18.27	18.268	5 474 000	8	16.47	16.467	6 073 000
2s2p^{3 3}D₃°–2s2p²(²D)3d ³F₄		4	20.46	20.458	4 888 000	3	18.35	18.387	5 438 000	7	16.55	16.558	6 039 000
2s²2p^{3 1}S₀–2s²2p3d ¹P₁°		2	20.79	20.831	4 801 000	1	18.66	18.665	5 358 000	3	16.81	16.816	5 947 000
2s2p^{3 3}D₂°–2s2p²(⁴P)3d ³F₃		1	21.13	21.114	4 736 000	1	18.94	18.939	5 280 000	2	17.03	17.018	5 876 000
2s²2p^{2 3}P₁–2s²2p3s ³P₂°		2	21.63	21.637	4 622 000	9^c	19.38	19.369	5 164 000	9^e	17.39	17.400	5 747 000
2s2p^{3 5}S₂°–2s2p²(⁴P)3s ⁵P₃		3	21.68	21.670	4 615 000	2	19.40	19.415	5 151 000	4	17.43	17.442	5 733 000
2s²2p^{2 3}P₂–2s²2p3s ³P₂°		4^b	21.76	21.732	4 602 000	3^d	19.45	19.459	5 139 000	8^f	17.45	17.482	5 720 000
2s2p^{3 3}D₂°–2s2p²(²D)3s ³D₂		2	21.82	21.816	4 584 000	2	19.51	19.501	5 128 000	2	17.55	17.545	5 700 000
2s²2p^{2 3}P₂–2s²2p3s ³P₁°		2	21.92	21.927	4 560 000	1	19.67	19.651	5 089 000	4^f	17.68	17.678	5 657 000
2s²2p^{2 1}D₂–2s²2p3s ¹P₁°		1	22.02	22.016	4 542 000	2	19.72	19.718	5 072 000	1	17.72	17.717	5 644 000
2s²2p^{2 1}S₀–2s²2p3s ¹P₁°		1	22.54	22.522	4 440 000	1	20.18	20.183	4 955 000

Configuration	Designation	J	Sc xvi	Ti xvii	V xviii
2s²2p²	2p^{2 3}P	0	0	0	0
		1	23 100+X	29 800+X	38 100+X
		2	45 100+X	54 800+X	68 100+X
	2p^{2 1}D	2	123 900+Y	141 800+Y	163 000+Y
	2p^{2 1}S	0	226 900+Y	256 000+Y	289 000+Y
2s2p³	2p^{3 5}S⁰	2	279 600+U	302 700+U	329 400+U
	2p^{3 3}D⁰	2,3	532 000+V	572 300+V	615 000+V
2s²2p3s	3s ³P⁰	1	4 605 000+X	5 144 000+X	5 725 000+X
		2	4 646 000+X	5 194 000+X	5 786 500+X
	3s ¹P⁰	1	4 666 000+Y	5 213 000+Y	5 807 000+Y
2s2p²(⁴P)3s	3s ⁵P	3	4 895 000+U	5 454 000+U	6 062 000+U
2s²2p3d	3d ³D⁰	2	4 941 000+X	5 520 000+X	6 127 000+X
		3	4 963 000+X	5 545 000+X	6 157 000+X
2s²2p3d	3d ³P⁰		4 974 000+X	5 558 000+X	6 175 500+X
2s²2p3d	3d ¹F⁰	3	5 028 000+Y	5 615 000+Y	6 236 000+Y
2s²2p3d	3d ¹P⁰	1	5 028 000+Y	5 615 000+Y	6 236 000+Y
2s2p²(²D)3s	3s′ ³D	2	5 116 000+V	5 700 000+V	6 315 000+V
2s2p²(⁴P)3d	3d ⁵P	3	5 224 000+U	5 811 000+U	6 448 000+U
2s2p²(⁴P)3d	3d ³F	3	5 268 000+V	5 852 000+V	6 491 000+V
2s2p²(²D)3d	3d′ ³F	4	5 420 000+V	6 010 000+V	6 654 000+V

Ion	³D₂°^b	³D₃°^b	³D_2,3°^c
N ii	92 251	92 238	92 538
O iii	120 053	120 025	120 101
F iv	147 888	147 841	147 856
Ne v	175 905	175 834	175 872
Na vi	204 222	204 131	204 229
Mg vii	232 975	232 865	233 017
Al viii	262 320	262 190	262 337
Si ix	292 360	292 210	292 301
P x	(323 010)	322 790	323 033

Abstract

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Tables (7)

Equations (24)

Journal of the Optical Society of America