http://qiserver.ugr.es/cod/1511150.cif
http://qiserver.ugr.es/cod/1524350.cif
http://qiserver.ugr.es/cod/1524351.cif
http://qiserver.ugr.es/cod/1524352.cif
http://qiserver.ugr.es/cod/1524353.cif