Accurate Einstein coefficients for electric dipole transitions in the first negative band of N2+

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Table 5

Allowed combinations of Ψ_vib, Ψ_el, Ψ_rot, and Ψ_ns as well as the statistical weights, g_ns, of the corresponding states.

Electr. state	Ψ_vib × Ψ_el	Ψ_rot × Ψ_ns	N	I	g_ns
X	s	s	Even	0,2	6
			Odd	1	3
B	a	a	Even	1	3
			Odd	0,2	6
X	s	a	Even	0	1
			Odd	1	3
B	a	s	Even	1	3
			Odd	0	1

Notes. The product of the four terms must be symmetric, s, with respect to nuclear permutation for the molecule and anti-symmetric, a, for .

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