#### Subroutine to Generate Analytic Potentials for the X
State of all Isotopologues of MgH

Henderson et al. [J.Phys.Chem A 117, 13373 (2013)]
recently determined an accurate analytic potential energy function
for the X(^{2}Σ^{+}) State of Isotopic Magnesium Hydride from a
combined-isotopologue direct-potential-fit to a large body of high quality
spectroscopic data. A FORTRAN subroutine for generating
this function may be downloaded by selecting the link below.
Solution of the radial Schrödinger equation with this potential function
should use reduced masses based on the masses of the two atoms that
may be incorporated though calls to subroutine 'MASSES.f' from program
**LEVEL**, a copy of which is attached to the subroutine listing.
The input parameters for this MgH potential function subroutine,
'potgenMgHX.f', are the mass numbers of the isotopologue of interest, and
the array of radial distances at which the potential is
to be generated. To facilitate use of this special MgH
potential energy subroutine in the general-purpose bound-state program
**LEVEL**, an alternate version this subroutine may
be generated by modifying this subroutine as described by its
internal Comments,

This subroutine for generating either of
these potentials for any chosen MgH isotopologue is automatically
distributed (by e-mail) to those who fill in the following form:
Download Diatomic MgH Potential Subroutine .

Similarly, sample input data files for performing
Program **LEVEL** calculations using this potential
for any isotopologue of MgH are automatically distributed
(by e-mail) to those who fill in the following form:
Download Program LEVEL Input data files for MgH .

**Site owned by R.J. Le Roy: leroy @ UWaterloo.ca
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