This is in fact impossible, except you will send somebody your data and he/she is willed to work for you and analyse these data. The JCPDF is a database which is useless without any additional retrieve software. Both are commercial and need a licence key or a dongle. If you are looking for a cracked version, I am quite sure that this is not existing because of the small market...and it is illegal.

You can also try here:

http://www.crystallography.net/index.php

or here:

http://www.rcsb.org/pdb/home/home.do

Thanks for the prompt answer.

I will check.