Table 3. Adiabatic Vibrational Term Values (G_v) and the Effective Rotational (B_v) and Quartic Centrifugal Distortion (D_v) Constants (All in Inverse Centimeters) for the X²Σ⁺ State of ²⁴MgH.

	Gv			Bv			Dv × 104
v	Exp.a	Calc.b	Δc	Exp.	Calc.	Δ	Exp.	Calc.	Δ
0	0.000	0.00	0.00	5.73651	5.7422	0.0057	3.5431	3.560	0.017
1	1431.978	1431.76	–0.22	5.55529	5.5608	0.0056	3.5569	3.573	0.016
2	2800.678	2800.37	–0.31	5.36751	5.3730	0.0055	3.5928	3.616	0.023
3	4102.330	4102.12	–0.21	5.16973	5.1753	0.0056	3.6753	3.704	0.029
4	5331.389	5331.51	0.12	4.95654	4.9623	0.0057	3.8273	3.868	0.041
5	6479.656	6480.36	0.70	4.71964	4.7254	0.0058	4.0954	4.161	0.066
6	7534.814	7536.34	1.52	4.44431	4.4504	0.0061	4.5742	4.694	0.120
7	8478.000	8480.34	2.34	4.10720	4.1116	0.0044	5.8007	5.710	–0.091
8	9279.653	9282.06	2.40	3.65877	3.6609	0.0022	7.3349	7.800	0.465
9	9892.724	9893.30	0.58	3.00781	2.9990	–0.0088	13.052	12.92	–0.13
10	10,249.407	10,244.46	–4.95	1.96873	1.9466	–0.0221	27.642	26.55	–1.10
11	10,352.250	10,347.82	–4.43	0.88390	0.9103	0.0264	45.349	42.02	–3.33

^aThe empirical band constants from ref (3).

^bThe values calculated using the adiabatic potential energy function; the zero-point energy is 738.96 cm^–1.

^cA difference between the calculated and experimental values.