http://qiserver.ugr.es/cod/1008041.cif
http://qiserver.ugr.es/cod/1008042.cif
http://qiserver.ugr.es/cod/1008043.cif
http://qiserver.ugr.es/cod/1008044.cif
http://qiserver.ugr.es/cod/1008045.cif