Submillimeter-wave spectrum of CH2D+ | Astronomy & Astrophysics (A&A)

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Table 2:

Molecular constants for CH₂D⁺ in the ground state (in MHz).
Constant	present^a	Rösslein et al. (1991)	Jagod et al. (1992)
A	280 866.25(99)	280 866.9(51)	280 847.1(30)
B	173 019.332(70)	173 019.2(30)	173 012.3(24)
C	105 686.839(44)	105 687.0(15)	105 684.0(12)
$\Delta_{J}$	3.6289(33)	3.639(21)	3.592(15)
$\Delta_{JK}$	10.9520(105)	10.852(78)	10.673(60)
$\Delta_{K}$	8.043(52)	7.939(21)	7.825(60)
$\delta_{J}$	1.38955(165)	1.4000(90)	1.3730(60)
$\delta_{K}$	11.957(28)	11.845(57)	11.806(45)
$\Phi_{J}$	0.000089(33)
$\Phi_{KJ}$	0.00524(52)

Notes. ^(a) The values in parentheses indicate one standard deviation from the least-squares fit to the last quoted digits.

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