http://qiserver.ugr.es/cod/1010016.cif
http://qiserver.ugr.es/cod/1010441.cif
http://qiserver.ugr.es/cod/1010442.cif
http://qiserver.ugr.es/cod/1010617.cif
http://qiserver.ugr.es/cod/1010702.cif
http://qiserver.ugr.es/cod/1011124.cif