http://qiserver.ugr.es/cod/1000095.cif
http://qiserver.ugr.es/cod/1000289.cif
http://qiserver.ugr.es/cod/1001438.cif
http://qiserver.ugr.es/cod/1001449.cif
http://qiserver.ugr.es/cod/1008479.cif
http://qiserver.ugr.es/cod/9014270.cif