Accurate calculation of the potential energy curve and spectroscopic parameters of X
2
Σ
+
state of
12
Mg
1
H
*
Wu Dong-Lan
a),
c)
, Tan Bin
c)
, Xie An-Dong
c)
, Yan Bing
a),
b)†
, Ding Da-Jun
a),
b)‡
Fitted and calculated potential energy functions for X
2
Σ
+
state of
12
Mg
1
H.