type=<cell type >

Available types are:

   cubic       a=b=c  alpha=beta=gamma=90

   tetragonal   a=b    alpha=beta=gamma=90

   rectangular  a/A=b/B=c/C alpha=beta=gamma=90

   orthorhombic a,b,c   alpha=beta=gamma=90

   octahidralt   a=b=c  alpha=beta=gamma=ACOS(-1/3)

a=<real>

b=<real>

c=<real>

The cell edges length

alpha=<real>

beta=<real>

gamma=<real>

The angles of cell, currently, Modar assigns these values automatically