Laser magnetic resonance of NH2 in Ã2A1 and highly excited vibrational states of X˜2B1

Kentarou Kawaguchi; Tetsuo Suzuki; Shuji Saito; Eizi Hirota

doi:10.1364/JOSAB.4.001203

Journal of the Optical Society of America B
Vol. 4,
Issue 7,
pp. 1203-1211
(1987)
•https://doi.org/10.1364/JOSAB.4.001203

Laser magnetic resonance of NH₂ in Ã²A₁ and highly excited vibrational states of $\tilde{X}$ ²B₁

Kentarou Kawaguchi, Tetsuo Suzuki, Shuji Saito, and Eizi Hirota

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Kentarou Kawaguchi, Tetsuo Suzuki, Shuji Saito, and Eizi Hirota, "Laser magnetic resonance of NH₂ in Ã²A₁ and highly excited vibrational states of X˜²B₁," J. Opt. Soc. Am. B 4, 1203-1211 (1987)

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Abstract

The CO₂/N₂O laser magnetic resonance spectra of NH₂ of the Ã²A₁ (0, 12, 0)–(0, 11, 0) band and also of transitions between the Ã²A₁ (0, 11, 0) state and highly excited vibrational states (u) of $\tilde{X}$ ²B₁ were observed at sub-Doppler resolution by using an infrared-optical double-resonance technique. The observed lines were analyzed to determine the Zeeman parameters and hyperfine-coupling constants of the states involved and also to make rotational assignments for the u levels. The observed hyperfine structure gave support for identifying the u level to be associated with $\tilde{X}$ state.

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N		N_0,_N
1	F₁	18 448.152
	F₂	18 448.150
2	F₁	18 488.310
	F₂	18 488.304
3	F₁	18 538.832
	F₂	18 538.907
4	F₁	18 612.354
	F₂	18 612.376
5	F₁	18 705.138
	F₂	18 705.481
6	F₁	18 817.571
	F₂	18 817.675
7	F₁	18 949.488
	F₂	18 949.636

Transition					Field (G)	a_N^b (G)	δ^c (MHz)	Laser Line^d

N_{K_aK_c}	Spin^a		M_J′	M_J″
1₁₀ 1₀₁	1	2	0.5	0.5	5077	56	10	10P(18)
	1	2	0.5	−0.5	5078		−13
	1	1	−0.5	−1.5	6553	55	7
	2	1	−0.5	−0.5	12,776	52	−3
	2	1	0.5	−0.5	11,090	60	3
	2	1	−0.5	0.5	12,881		−291^e
2₁₁ 2₂₀	2	1	−0.5	−0.5	2213	45	45	10P(16)
	2	1	−1.5	−1.5	2909	46	−23
	2	1	1.5	0.5	1507		−31
	2	1	1.5	2.5	1507		−12
	2	1	0.5	−0.5	1798	53	4
	2	1	0.5	1.5	1798	53	7
	2	1	−0.5	−1.5	2238	53	12
	2	1	−1.5	−0.5	2888	44	6
	1	2	1.5	1.5	15,128	55	2	10P(14)
	1	2	0.5	0.5	15,650	50	−4
4₁₃ 4₀₄	2	2	3.5	3.5	4202	58	46	10P(8)
	2	2	2.5	2.5	4441	53	1
	2	2	1.5	1.5	4698	50	−19
	2	2	0.5	0.5	4992	48	−60
	2	2	−1.5	−1.5	5605	48	16
	2	2	−2.5	−2.5	5959	52	22
	2	2	−3.5	−3.5	6338	57	−9
	1	1	3.5	3.5	11,250	61	1178^e	10P(6)
	1	1	2.5	2.5	11,555	55	1131^e
	1	1	1.5	1.5	11,846	51	1049^e
	1	1	−1.5	−1.5	12,713	46	1043^e
	1	1	−2.5	−2.5	13,028	54	1296^e
	1	1	−3.5	−3.5	13,327	56	1649^e
6₁₅ 6₀₆			5.5	5.5	12,020	65	−2969^e	10R(6)
	1	1	4.5	4.5	12,160	59	−3053^e
	1	1	3.5	3.5	12,284	57	−3185^e
	1	1	2.5	2.5	12,374	52	−3407^e
	1	1	−2.5	−2.5	14,359	50	56^e
	1	1	−3.5	−3.5	14,572	52	400^e
	1	1	−4.5	−4.5	14,840	56	982^e
	1	1	−5.5	−5.5	15,159	64	1803^e
	2	2	5.5	5.5	16,604	64	−21	10R(2)
	2	2	4.5	4.5	16,830	58	17
	2	2	3.5	3.5	17,063	55	24
	2	2	2.5	2.5	17,307	52	−21
	2	2	−1.5	−1.5	18,348	49	−839^e
	2	2	−2.5	−2.5	18,638	49	−1304^e
	2	2	−3.5	−3.5	18,994	52	−2050^e
	2	2	−4.5	−4.5	19,316	57	−2812^e
	1	1	−5.5	−5.5	19,659	62	−3753^e

		(0, 12, 0)Π	(0, 11, 0)∑	Unit
γ	N=1	9175(109)	40^b	MHz
	2	2834(55)	72^b	MHz
	4	1797(25)	−147^b	MHz
	6	1272(104)	−480^b	MHz
ν₀	N =1	945.4346(9)		cm⁻¹
	2	948.0109(27)		cm⁻¹
	4	955.0753(14)		cm⁻¹
	6	964.9543(69)		cm⁻¹
g_s′		1.891(74)	2.106(63)
T₀²(g_l)		−0.188(30)	0.057(20)
T₂²(g_l)		0.090(14)
T₀⁰(g_r)		−0.0241(62)	−0.0257(76)
σFC		151(10)	155(8)	MHz
T_aa		−26(9)	−60(7)	MHz
T_bb		79(6)		MHz

Spin^a		M_J	Field (G)	A_N^b(G)	δ^c (MHz)	Laser Line
u_aN = 5–3₀₃ transition
2	1	−3.5 –2.5	7418		−21	N₂O R(18)
2	1	−2.5 –3.5	7970		−62
2	1	−2.5 –1.5	8197		−28
2	1	−1.5 –2.5	8922		29
2	1	−1.5 –0.5	9183		73
2	1	−0.5 –1.5	9973		−89
2	1	−0.5 0.5	10,251		−82
2	1	0.5 –0.5	11,369		−58
2	1	0.5 1.5	11,682		−62
2	1	1.5 0.5	13,168		−0
2	1	−3.5 –3.5	7347		41
2	1	−2.5 –2.5	8128		63
2	1	−1.5 –1.5	9067		91
2	1	0.5 0.5	11,525		−49
2	1	1.5 1.5	13,314		−48
2	1	2.5 2.5	15,733		41
2	1	−3.5 –2.5	13,458		126^d	CO₂ 10P(8)
2	1	−2.5 –1.5	14,517		61
2	1	−1.5 –2.5	15,538		−44
2	1	−1.5 –0.5	15,734	35	−37
2	1	−0.5 –1.5	17,001		−13
2	1	−0.5 0.5	17,257		63
2	1	0.5 –0.5	18,761		61
2	1	0.5 1.5	19,018		63
2	1	−3.5 –3.5	13,298		−75
2	1	−2.5 –2.5	14,401	37	−2
2	1	−1.5 –1.5	15,638		−22
2	1	0.5 0.5	18,823		−62
2	1	−3.5 –2.5	16,787		22	N₂O R(19)
2	1	−2.5 –3.5	17,841		7
2	1	−2.5 –1.5	18,016	34	80
2	1	−1.5 –2.5	19,172		−50
2	1	−1.5 –0.5	19,381		40
2	1	−0.5 –1.5	20,753		−17
2	1	−0.5 0.5	20,971		23
2	1	−3.5 –3.5	16,714	38	8
2	1	−2.5 –2.5	17,935	37	74
2	1	−1.5 –1.5	19,255		−39
2	2	3.5 2.5	2634	31	74	N₂O R(17)
2	2	2.5 1.5	2799		61
2	2	1.5 0.5	3084	43	−24
2	2	0.5 –0.5	3359		56
2	2	1.5 2.5	3529		16
2	2	0.5 1.5	3924		−4
2	2	−0.5 0.5	4519		−30
2	2	−1.5 –0.5	5439		−45
2	2	−2.5 –1.5	6892	132	18
2	1	3.5 3.5	2897		−35
2	2	2.5 2.5	3061	37	−29
2	2	1.5 1.5	3309	39	−26
2	2	−0.5 –0.5	4185		−11
2	2	−1.5 –1.5	5024		−27
2	2	−2.5 –2.5	6316		43
2	2	3.5 2.5	8848	36	96	CO₂ 10P(10)
2	2	2.5 1.5	10,304	42	21
2	1	2.5 3.5	10,913		−14
2	2	1.5 0.5	12,355		−25
2	2	1.5 2.5	13,162	60	−86
2	2	0.5 –0.5	15,363		22
2	1	3.5 3.5	9162		−54
2	2	2.5 2.5	10,590		11
2	2	1.5 1.5	12,701		−16
2	1	3.5 3.5	15,906		110
2	2	2.5 2.5	20,191		−13
2	2	3.5 2.5	15,538	39	154^d	N₂O R(16)
2	2	2.5 1.5	19,641		22
2	1	2.5 3.5	20,821		−51
1	1	2.5 2.5	11,450		−709^d	N₂O R(15)
1	1	1.5 1.5	14,448	58	−380^d
1	1	0.5 0.5	19,340		−284^d
1	1	1.5 0.5	14,151		−390^d
1	1	0.5 –0.5	18,898		−318^d
1	1	0.5 1.5	19,737	98	−319^d
1	1	1.5 1.5	2439		−20	CO₂P(12)
1	1	0.5 0.5	2706	47	−18
1	1	−0.5 –0.5	3134	90	−11
1	1	−2.5 –2.5	5345	104	9
1	1	−3.5 –3.5	9570	235	−99
1	1	−0.5 –1.5	2919		33
1	1	−1.5 –2.5	3579		29
1	1	−1.5 –0.5	4209		−12
1	1	−2.5 –3.5	4870		12
1	1	−2.5 –1.5	5806		−22
1	1	−3.5 –2.5	10,834		−78
1	1	2.5 2.5	5267		−554^d	N₂O R(14)
1	2	2.5 1.5	4059	52	147^d
1	1	2.5 3.5	5550	80	−410^d
1	2	3.5 2.5	8152	100	−935^d
1	2	0.5 0.5	16,459		−757^d	N₂O R(13)
1	2	0.5 1.5	16,461	44	−363^d
1	2	1.5 0.5	18,440	82	−287^d
1	2	1.5 2.5	19,038	45	−582^d
u_bN = 4–3₀₃ transition
1	2	−2.5 –2.5	14,010	113	0	CO₂ 9P(20)
2	1	−3.5 –3.5	10,284	49	3	CO₂ 9P(22)
2	1	−2.5 –2.5	12,495	58	−5
2	1	−1.5 –1.5	15,863	73	2
2	2	3.5 3.5	12,967	44	−323^d	CO₂ 9P(24)
2	2	2.5 2.5	14,220	42	−684^d
u_cN = 4–3₀₃ transition
2	2	−2.5 –2.5	15,920	103	1	CO₂ 10R(2)
2	1	−1.5 –1.5	21,800	66	59 1^d	CO₂ 10R(4)
1	2	−0.5 –0.5	12,466	56	37	CO₂ 10R(6)
1	2	0.5 0.5	18,625	33	−38
1	1	−0.5 –0.5	17,400	50	397^d	CO₂ 10R(8)
u_fN = 4–4₀₄ transition
1	2	−3.5 –3.5	5237	37	0	CO₂ 10P(12)
1	2	−2.5 –2.5	5881	35	0
1	1	3.5 3.5	12,870	38	6189^d	CO₂ 10P(10)
1	1	2.5 2.5	16,697		5127^d

	u State	(0, 11, 0)3₀₃	Unit
u_aN = 5
γ	−13,082.5(43)	−632.8(7.6)	MHz
ν₀	952.1566(4)		cm⁻¹
g_s′	1.9942(42)	1.9720(13)
T₀²(g_l)	0.057(12)	0.0222(48)
T₀⁰(g_r)	0.0224(20)	−0.00493(83)
σFC	37.2(30)	159.6(48)	MHz
T_aa	−61.7(83)	−63.9(94)	MHz
u_bN = 4^b
γ	24,152.4(17)		MHz
ν₀	1046.2064(6)		cm⁻¹
T₀⁰(g_r)	0.01406(68)
u_cN = 4^b
γ	20,091(16)		MHz
ν₀	965.4525(11)		cm⁻¹

N_K	F₁		F₂
u_a 5₅	19 486.929		19 492.328
u_b 4	19 586.684		19 583.051
u_c 4	19 505.657		19 502.641
u_d 3		≃19 496.7
u_e		≃19 592.76
u_f 4	19 564.008		≃19 566.5^b

Abstract

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Figures (7)

Tables (6)

Equations (5)

Journal of the Optical Society of America B