http://qiserver.ugr.es/cod/1530136.cif
http://qiserver.ugr.es/cod/1530345.cif
http://qiserver.ugr.es/cod/1530697.cif
http://qiserver.ugr.es/cod/1530770.cif
http://qiserver.ugr.es/cod/1530807.cif
http://qiserver.ugr.es/cod/1531003.cif