http://qiserver.ugr.es/cod/1008718.cif
http://qiserver.ugr.es/cod/1008719.cif
http://qiserver.ugr.es/cod/1008720.cif
http://qiserver.ugr.es/cod/1008721.cif
http://qiserver.ugr.es/cod/1008722.cif