# meam data 
# elt        lat     z       ielement     atwt
# alpha      b0      b1      b2           b3    alat    esub    asub
# t0         t1              t2           t3            rozero  ibar

'Sn' 'fcc' 12.0 50 118.710
6.1094739 6.3334355 6.0381747 4.6922365 5.9205824 4.7936862 3.06 1.0051934
1.0 4.5050331 6.499874 0.029277404 1.00 3