http://qiserver.ugr.es/cod/1007057.cif
http://qiserver.ugr.es/cod/1008104.cif
http://qiserver.ugr.es/cod/1008105.cif
http://qiserver.ugr.es/cod/1522364.cif
http://qiserver.ugr.es/cod/1522365.cif
http://qiserver.ugr.es/cod/1522366.cif
http://qiserver.ugr.es/cod/1522367.cif