How can I get a CIF or PDB file with a cube of specific size starting from the crystallographic information in the CIF file, preferably with freeware?

06 June 2014 0 10K Report

I want to make some calculations on metal oxides using crystallographic info from CIF files as start, but I need to have a cube of specific size, which I can't get using freeware/free versions of software. Crystalmaker does this, but it stacks unit cells, so you get the unit cell multiplied by 1, 2 etc. Mercury also offers some functionality, but it is available in the paid version.

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