Spectrum and transition characteristics of low excited state of strontium chloride molecule

Dong-Lan Wu; Jin-Hong Yuan; Yu-Feng Wen; Xue-Feng Zeng; An-Dong Xie

doi:10.7498/aps.68.20181770

Λ-S态	T_e/cm⁻¹	R_e/nm	$\omega $_e/cm⁻¹	$\omega $_e$\chi $_e/cm⁻¹	B_e/cm⁻¹	10⁴α_e/cm⁻¹	D_e/eV	R_e附近主要电子组态(%)
$ {{\rm{X}}^{2}}\Sigma^+$	0.0	0.2575	309.78	0.8682	0.1016	4.131	3.703	6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$^α9 $\text{σ}$⁰3 $\text{π}$²4 $\text{π}$²(78.8) 6 ${\rm{\sigma }}$²7 $\text{σ}$²8 $\text{σ}$⁰9 $\text{σ}$^α3 $\text{π}$²4 $\text{π}$²(7.5)
理论^[26]	0.0	0.255	313	0.93	0.1037	—	—
实验^[15]	0.0	0.257	302^[27]	0.95^[27]	—	—	—
实验^[16]	0.0	—	302.448	−0.9502	0.1016	4.524	—
实验^[12]	0.0	—	302.3	0.950	—	—	—
$ {{\rm{A}}^{2}}\Pi$	15779.16	0.2518	330.69	—	0.1061	2.013	1.673	6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$⁰9 $\text{σ}$⁰3 $\text{π}$^ααβ 4 $\text{π}$²(85.7)
理论^[26]	14730	0.252	323	0.95	0.1055	—	—
实验^[15]	14818	0.255	309^[27]	0.98^[27]	—	—	—
实验^[16]	14966.727	—	309.625	0.996	0.1030	4.606	—
$ {{\rm{B}}^{2}}\Sigma^+$	16612.74	0.2538	318.67	0.4874	0.1043	2.599	1.937	6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$^α9 $\text{σ}$⁰3 $\text{π}$²4 $\text{π}$²(78.8) 6 ${\rm{\sigma }}$²7 $\text{σ}$²8 $\text{σ}$⁰9 $\text{σ}$^α3 $\text{π}$²4 $\text{π}$²(7.6)
理论^[26]	15714	0.253	319	0.99	0.1055	—	—
实验^[15]	15719	0.255	306^[27]	0.98^[27]	0.1030^[16]	—	—
实验^[12]	15719.5	—	306.4	0.98	—	—	—	—
$ {{\rm{C}}^{2}}\Pi$	33532.99	0.3477	425.57	15.5691	0.0554	−11.932	1.546	6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$⁰9 $\text{σ}$⁰3 $\text{π}$^ααβ 4 $\text{π}$²(59.7) 6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$²9 $\text{σ}$⁰3 $\text{π}$²4 $\text{π}$²(13.4) 6 $\text{σ}$²7 $\text{σ}$^α8 $\text{σ}$^β9 $\text{σ}$⁰3 $\text{π}$^ααβ 4π²(9.8) 6 $\text{σ}$²7 $\text{σ}$^α8 $\text{σ}$^α9 $\text{σ}$⁰3 $\text{π}$^αββ 4 $\text{π}$²(2.7)
理论^[26]	26688	0.259	278	0.83	0.1095	—	—
实验^[27]	26099	—	270	0.72	—	—	—
$ {{\rm{3}}^{2}}\Sigma^+$	36625.55	0.3519	392.49	10.4544	0.0544	−12.567	1.140	6 $\text{σ}$²7 $\text{σ}$^α8 $\text{σ}$²9 $\text{σ}$⁰3 $\text{π}$²4 $\text{π}$²(51.0) 6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$⁰9 $\text{σ}$^α3 $\text{π}$²4 $\text{π}$²(16.4) 6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$^α9 $\text{σ}$⁰3 $\text{π}$^ααβ 4 $\text{π}$²(4.6) 6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$^α9 $\text{σ}$⁰3 $\text{π}$^β4 $\text{π}$^ααβ (4.6) 6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$^α9 $\text{σ}$⁰3 $\text{π}$²4 $\text{π}$²(2.5) 6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$^α9 $\text{σ}$⁰3 $\text{π}$^αββ 4 $\text{π}$²(1.6) 6 $\text{σ}$²7 $\text{σ}$²8 $\text{σ}$⁰9 $\text{σ}$^α3 $\text{π}$^α4 $\text{π}$^αββ (1.6) 6 $\text{σ}$²7 $\text{σ}$^α8 $\text{σ}$⁰9 $\text{σ}$⁰3 $\text{π}$⁴4 $\text{π}$²(1.5) 6 $\text{σ}$²7 $\text{σ}$^α8 $\text{σ}$⁰9 $\text{σ}$⁰3 $\text{π}$²4 $\text{π}$⁴(1.5)
理论^[26]	27979	0.248	358	1.01	0.1095	—	—
实验^[15]	28822	—	344^[27]	1.04^[27]	0.1030^[16]	—	—

	v	0	1	2	3	4	5	6	7	8	9
$ {{\rm{X}}^{2}}\Sigma^+$	G_v/cm⁻¹	0	308.69	615.44	919.34	1220.80	1520.91	1820.07	2118.05	2414.53	2709.33
	B_v/cm⁻¹	0.101389	0.100964	0.100567	0.100209	0.099815	0.099369	0.098910	0.098467	0.098043	0.097629
	10⁸D_v/cm⁻¹	4.351839	4.364577	4.467493	4.497514	4.362226	4.242542	4.234360	4.286016	4.334124	4.353049
$ {{\rm{A}}^{2}}\Pi$	G_v/cm⁻¹	15953.74	16281.83	16598.43	16930.62	17269.01	17605.65	17940.04	18272.59	18603.52	18933.04
	B_v/cm⁻¹	0.106234	0.106462	0.106095	0.105137	0.104604	0.104235	0.103859	0.103475	0.103082	0.102679
	10⁸D_v/cm⁻¹	4.461909	5.111509	3.253476	3.332790	4.007870	4.130323	4.085546	4.040997	3.976138	3.938946
$ {{\rm{B}}^{2}}\Sigma^+$	G_v/cm⁻¹	16777.58	17097.77	17402.46	17705.63	18020.44	18339.16	18656.69	18972.44	19286.60	19599.30
	B_v/cm⁻¹	0.104260	0.104168	0.104392	0.103697	0.102831	0.102297	0.101900	0.101515	0.101130	0.100741
	10⁸D_v/cm⁻¹	4.416717	5.342062	4.947374	3.120903	3.500412	4.129428	4.273733	4.244199	4.206411	4.139361
$ {{\rm{C}}^{2}}\Pi$	G_v/cm⁻¹	33822.25	34298.68	34607.21	34880.81	35124.57	35352.15	35566.01	35770.85	35971.25	36169.15
	B_v/cm⁻¹	0.056049	0.057354	0.058912	0.059995	0.060974	0.062071	0.063032	0.063843	0.064515	0.065071
	10⁸D_v/cm⁻¹	0.293093	1.069720	1.371596	2.128287	2.433073	3.023576	3.386636	3.382563	3.426546	3.529599
$ {{\rm{3}}^{2}}\Sigma^+$	G_v/cm⁻¹	36879.56	37294.02	37638.56	37944.07	38221.43	38480.16	38726.99	38965.82	39199.02	39428.18
	B_v/cm⁻¹	0.055079	0.056481	0.057758	0.059028	0.060242	0.061377	0.062432	0.063414	0.064332	0.065193
	10⁸D_v/cm⁻¹	0.363052	0.690909	1.002658	1.373820	1.690530	1.922724	2.122355	2.300506	2.453955	2.583320

	v′′ = 0	1	2	3	4	5	6	7	8	9
$ {{\rm{A}}^{2}}\Pi$— $ {{\rm{X}}^{2}}\Sigma^+ $
v′ = 0	0.656888	0.266608	0.062027	0.011563	0.002170	0.000520	0.000163	0.000048	0.000007	0.000000
1	0.272308	0.192420	0.320947	0.150685	0.466479	0.012567	0.033544	0.008655	0.000174	0.000137
2	0.061741	0.365100	0.012591	0.236003	0.200935	0.086356	0.027568	0.007557	0.001791	0.000312
3	0.008378	0.145153	0.330434	0.013476	0.132392	0.200767	0.112395	0.041433	0.012093	0.002903
4	0.000641	0.027499	0.211170	0.231162	0.064589	0.062086	0.184983	0.134977	0.058263	0.018761
5	0.000040	0.003015	0.053925	0.25428	0.132467	0.115528	0.018774	0.155878	0.151198	0.077211
6	0.000004	0.000182	0.008221	0.084623	0.271397	0.058393	0.151118	0.000803	0.117380	0.157174
7	0.000000	0.000021	0.006253	0.016398	0.117920	0.263055	0.014702	0.164939	0.005113	0.077068
8	0.000000	0.000000	0.000052	0.001674	0.027547	0.151418	0.233623	0.000068	0.157208	0.024940
9	0.000000	0.000000	0.000007	0.000118	0.003627	0.041888	0.181283	0.190225	0.008630	0.133109
$ {{\rm{B}}^{2}}\Sigma^+$— $ {{\rm{X}}^{2}}\Sigma^+ $
v′ = 0	0.861288	0.125494	0.011927	0.001065	0.000142	0.000047	0.000025	0.000091	0.000000	0.000000
1	0.129692	0.603795	0.220001	0.038332	0.006251	0.001365	0.000411	0.000120	0.000019	0.000000
2	0.008650	0.241321	0.360072	0.284163	0.081308	0.018646	0.004456	0.001109	0.000226	0.000018
3	0.000365	0.027661	0.352567	0.179385	0.288215	0.112584	0.030079	0.007227	0.001600	0.000265
4	0.000002	0.001707	0.051462	0.411903	0.083378	0.268533	0.131641	0.039281	0.009668	0.002055
5	0.000001	0.000017	0.003843	0.078423	0.421433	0.034730	0.246976	0.148790	0.049663	0.012870
6	0.000000	0.000000	0.000117	0.006341	0.108918	0.407382	0.009402	0.221296	0.163711	0.061334
7 8	0.000000 0.000000	0.000003 0.000002	0.000001 0.000007	0.000333 0.000002	0.009581 0.000763	0.141252 0.014168	0.381199 0.173321	0.000074 0.346687	0.190975 0.003801	0.174597 0.158106
9	0.000000	0.000000	0.000000	0.000000	0.000000	0.001272	0.020484	0.203605	0.306437	0.017104
$ {{\rm{C}}^{2}}\Pi$— $ {{\rm{X}}^{2}}\Sigma^+ $
v′ = 0	0.000002	0.000057	0.000400	0.002491	0.013257	0.048381	0.121107	0.211164	0.245963	0.199742
1	0.000028	0.000755	0.003923	0.016478	0.054711	0.112499	0.129055	0.063035	0.000478	0.054393
2	0.000216	0.004536	0.018057	0.052861	0.110648	0.119527	0.040456	0.002385	0.059184	0.058927
3	0.000894	0.014294	0.042688	0.083192	0.097065	0.033697	0.003920	0.060262	0.039865	0.000817
$ {{\rm{3}}^{2}}\Sigma^+$— $ {{\rm{X}}^{2}}\Sigma^+ $
v′ = 0	0.000005	0.000160	0.001014	0.005583	0.025973	0.082035	0.174625	0.263266	0.237744	0.147940
1	0.000072	0.001726	0.007985	0.028959	0.080861	0.133268	0.106890	0.018946	0.019348	0.137924
2	0.000444	0.008122	0.028147	0.068699	0.114064	0.085695	0.008341	0.025544	0.075168	0.024261
3	0.001887	0.025614	0.064048	0.096749	0.076464	0.007949	0.023664	0.062244	0.010184	0.021472
4	0.005823	0.057375	0.098715	0.079207	0.013459	0.015420	0.056215	0.010480	0.018687	0.044825
5	0.013104	0.091074	0.099009	0.027450	0.005603	0.051927	0.016773	0.012448	0.040966	0.001448
6	0.023467	0.109148	0.062336	0.000039	0.043234	0.033313	0.003366	0.042212	0.004752	0.023015
7	0.036552	0.106016	0.020316	0.019085	0.055807	0.001734	0.035028	0.017051	0.012699	0.031310
8	0.052050	0.085867	0.000431	0.051861	0.028088	0.011562	0.037256	0.000833	0.036176	0.001957
9	0.069548	0.057189	0.008529	0.060907	0.001791	0.038489	0.008713	0.024666	0.015229	0.013407

Transition	Radiative lifetimes/ns
Transition	v′ = 0	v′ = 1	v′ = 2
$ {{\rm{A}}^{2}}\Pi $— $ {{\rm{X}}^{2}}\Sigma^+ $	31.23	31.35	31.56
$ {{\rm{B}}^{2}}\Pi $— $ {{\rm{X}}^{2}}\Sigma^+ $	38.83	38.89	39.12
$ {{\rm{C}}^{2}}\Pi$— $ {{\rm{X}}^{2}}\Sigma^+ $	25.92	26.01	26.18