No Species Found

No species in the database contian data from the requested reference: Wells, B.H.; Wilson, S., On the accuracy of the algebraic approximation in molecular electronic structure calculations: I. Calculations for H2+, HeH2+, H2 and HeH+ using basis sets of atom-centred Gaussian-type functions, J. Phys. B:, 1989, 22, 1285-1295.