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

'Li'         'bcc'   8.0     3            6.939
3.00         1.03    4.88    4.15         5.27   3.509   1.65    0.64
1.0         -1.46            4.13        -0.57           1.0     1.0
'Si'         'dia'   4.0     14           28.086
4.90         3.0     7.5     0.0          3.0    5.431   4.63    0.53
1.0          1.45            7.61        -2.10           1.0     1.0