The alkaline-earth metal hydrides and their corresponding ions are heteronuclear molecules that are essential in many fields especially in astrophysics and spectroscopy such as sunspots, stars, nebulae, the interstellar medium and chemical engineering. They are important systems in spectroscopy due to their visible bands which emerge in the absorption spectrum of sun. Due to the importance of hydride species and the lack of theoretical studies on some astronomical diatomic molecules is a main reason to investigate their electronic structure. The adiabatic potential energy curves and the static dipole moment curves of the low-lying electronic states of strontium hydride cation SrH⁺ and barium hydride cation BaH⁺ have been investigated using ab initio CASSCF/(MRCI + Q) calculations. The spectroscopic parameters T_e, R_e, ω_e, B_e, the dipole moment μ_e, and the dissociation energy D_e were calculated for the bound states. Using the canonical function approach, the rovibrational constants E_v, B_v, D_v and the turning points R_min and R_max for the ground and several excited states have been determined.

碱土金属氢化物及其相应的离子是异核分子，在许多领域中必不可少，尤其是在黑子，恒星，星云，星际介质和化学工程等天体物理学和光谱学领域。它们是在光谱学中重要的系统，因为它们的可见带出现在太阳的吸收光谱中。由于氢化物种类的重要性以及一些天文双原子分子缺乏理论研究是研究其电子结构的主要原因。绝热势能曲线和静态偶极矩曲线低洼锶氢阳离子性与生殖健康的电子态⁺和钡氢离子呸⁺使用进行了调查从头开始CASSCF /（MRCI + Q）计算。分光参数T1 _ë，R _ê，ω _ê，B _é，偶极矩μ _Ë，并且解离能d _Ë分别计算的束缚态。使用规范函数方法，已经确定了地面和几种激发态的旋转振动常数E _v，B _v，D _v以及转折点R _min和R _max。