Table 1. Molecular Parameters for the X²Σ⁺ State of ²⁴MgH Determined at the MR-ACPF/aug-cc-pCVnZ Level of Theory.

	n = 5	n = 6	n = 7	n = 8
rea (Å)	1.73034	1.72977	1.72957	1.72948
E + 200b (hartree)	–0.518218	–0.522530	–0.524054	–0.524613
Dec (cm–1)	11,149	11,173	11,180	11,182
νd(cm–1)	1432.96	1433.44	1433.87	1433.99
B0e (cm–1)	5.73589	5.73942	5.74072	5.74128

^aThe equilibrium internuclear distance.

^bThe total energy at a minimum.

^cThe binding energy.

^dThe vibrational fundamental wavenumber.

^eThe ground-state effective rotational constant.