[gmx-users] newbye question

[GMX]

 I plan to  make some simulations in SiO2.  
How can I make coordinates file (*.gro) for 
alfa-crysobalite or quartz, or somewhat 
else i can use as initional samlpe state. 
( box with 1024 +512 particles)? Did anybody 
work on this problem before ?
Thanks in advance.


                                    Lala.