Table 2: Statistical properties of the energy levels of D₃⁺ with J = 0 and J = 1. J is the rotational quantum number and K its projection on the molecular symmetry axis; g_I is the nuclear spin statistical weight. Only the two lowest energy levels, of A1 and E symmetry, were included in the model. The energies were computed by Polyansky & Tennyson (1999). Note that 1 cm $^{-1} \equiv 1.4388$ K.
J K Energy (cm^-1) Symmetry Modification g_I $(2J+1)g(I_{\rm tot})$ E_JK (K)

0 0 0.000 A1 ortho 10 10 0.0

1 1 32.331 E meta 8 24 46.5

1 0 43.619 A2 para 1 3 62.8

**Table 2:** Statistical properties of the energy levels of D₃⁺ with J = 0 and J = 1. J is the rotational quantum number and K its projection on the molecular symmetry axis; g_I is the nuclear spin statistical weight. Only the two lowest energy levels, of A1 and E symmetry, were included in the model. The energies were computed by Polyansky & Tennyson (1999). Note that 1 cm $^{-1} \equiv 1.4388$ K.
J	K	Energy (cm^-1)	Symmetry	Modification	g_I	$(2J+1)g(I_{\rm tot})$	E_JK (K)
0	0	0.000	A1	ortho	10	10	0.0
1	1	32.331	E	meta	8	24	46.5
1	0	43.619	A2	para	1	3	62.8

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