http://qiserver.ugr.es/cod/1100378.cif
http://qiserver.ugr.es/cod/1100379.cif
http://qiserver.ugr.es/cod/1100380.cif
http://qiserver.ugr.es/cod/1100383.cif
http://qiserver.ugr.es/cod/5000252.cif