IRC +10216 as a spectroscopic laboratory: improved rotational constants for SiC2, its isotopologues, and Si2C

J. Cernicharo; M. Guélin; M. Agúndez; J. R. Pardo; S. Massalkhi; J. P. Fonfría; L. Velilla Prieto; G. Quintana-Lacaci; N. Marcelino; C. Marka; S. Navarro; C. Kramer

doi:10.1051/0004-6361/201833335

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Volume 618 (October 2018)

A&A, 618 (2018) A4

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Table A.4.

Correlation coefficients for the recommended rotational and centrifugal distortion constants of SiC₂.

Constant	A	B	C	Δ_J	Δ_JK	Δ_K	δ_J	δ_K	H_J	H_JK	H_KJ	h_JK	h_K	L_J	L_JJK	L_JK	L_KKJ	P_J	P_JK	P_KKJ	p_KKJ
A	1.000
B	0.035	1.000
C	0.352	0.256	1.000
Δ_J	0.050	0.670	0.619	1.000
Δ_JK	0.278	0.559	0.254	0.231	1.000
Δ_K	0.576	−0.014	0.034	−0.046	0.018	1.000
δ_J	−0.114	0.475	−0.397	−0.007	0.142	0.033	1.000
δ_K	−0.316	0.346	−0.337	0.265	0.211	−0.169	0.048	1.000
H_J	0.004	0.480	0.504	0.940	0.070	−0.060	−0.093	0.255	1.000
H_JK	−0.001	0.297	0.100	0.159	0.402	−0.201	−0.296	0.367	0.079	1.000
H_KJ	0.184	0.247	0.048	0.107	0.547	0.170	0.373	0.047	0.059	−0.489	1.000
h_JK	−0.163	0.329	−0.301	0.185	0.129	−0.082	0.664	0.507	0.154	−0.278	0.438	1.000
h_K	−0.123	0.197	−0.049	0.089	0.213	−0.242	−0.358	0.482	0.067	0.943	−0.560	−0.291	1.000
L_J	−0.007	−0.427	−0.450	−0.854	−0.065	0.062	0.132	−0.216	−0.953	−0.151	0.009	−0.063	−0.158	1.000
L_JJK	−0.103	0.149	−0.315	−0.046	0.031	−0.052	0.526	0.268	−0.023	−0.210	0.266	0.729	−0.164	−0.039	1.000
L_JK	−0.091	−0.367	−0.038	−0.187	−0.451	0.075	−0.345	−0.208	−0.104	−0.347	−0.102	−0.495	−0.171	0.138	−0.614	1.000
L_KKJ	−0.078	−0.247	−0.005	−0.105	−0.563	−0.047	0.039	−0.318	−0.073	−0.067	−0.636	−0.001	−0.110	0.052	0.163	−0.233	1.000
P_J	0.017	0.361	0.421	0.769	0.053	−0.050	−0.167	0.167	0.884	0.154	−0.032	−0.007	0.166	−0.977	0.012	−0.101	−0.051	1.000
P_JK	0.051	0.213	−0.039	0.082	0.233	−0.033	0.400	0.106	0.040	0.006	0.171	0.568	−0.111	−0.063	0.762	−0.866	0.380	0.026	1.000
P_KKJ	0.045	0.109	0.052	0.071	0.318	0.028	−0.225	0.180	0.055	0.189	0.282	−0.278	0.238	−0.037	−0.491	0.441	−0.854	0.051	−0.726	1.000
p_KKJ	−0.075	0.091	−0.266	−0.072	−0.010	−0.022	0.489	0.174	−0.055	−0.307	0.273	0.677	−0.267	0.015	0.952	−0.525	0.224	−0.042	0.792	−0.601	1.000

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