http://qiserver.ugr.es/cod/1000419.cif
http://qiserver.ugr.es/cod/1008478.cif
http://qiserver.ugr.es/cod/1512119.cif
http://qiserver.ugr.es/cod/1545074.cif
http://qiserver.ugr.es/cod/1545075.cif
http://qiserver.ugr.es/cod/1545076.cif