#Modelling of simple SiO2

2 atoms # Number of atoms

2 atoms types # Silicon and oxygen atom

0.0 40 xlo xhi # Define atom geometry
0.0 80 ylo yhi
0.0 80 zlo zhi

Masses # molar masses of atom

1 28.001 #Si
2 15.994 #O

Atoms # Defining atom position in the order (id, type, Partial Charge, x,y,z direction) 

1 1 2.4 0 0 0
2 2 -1.2 0.25 0 0
3 1 2.4 0.5 0 0
4 2 -1.2 0 0.25 0
5 1 2.4 0.25 0.25 0
6 2 -1.2 0.5 0.25 0
7 1 2.4 0 0 0.25
8 2 -1.2 0.25 0.25
9 1 2.4 0.5 0.5 0.5
10 2 -1.2 0.25 0.5 0.5