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[Steven Homolya <Steven.Homolya@spme.monash.edu.au>]

It's not meaningful to compare total energies from a psudopotential 
calculation with results of full electron calculations, or even total 
energies obtained with different pseudopotentials for the same element. Only 
energy differences can provide meaningful comparison. E.g., difference in 
total energy between Li in solid metal and isolated Li atom (cohesive 
energy).

Steve

PS. Thanks for the useful link.

-- 
Steven Homolya
School of Physics and Materials Engineering
Monash University VIC 3800
Australia
Tel: INT +61 3 9905 3694
Fax: INT +61 3 9905 3637