http://qiserver.ugr.es/cod/1010652.cif
http://qiserver.ugr.es/cod/1010653.cif
http://qiserver.ugr.es/cod/1010717.cif
http://qiserver.ugr.es/cod/1537139.cif
http://qiserver.ugr.es/cod/1537142.cif
http://qiserver.ugr.es/cod/1539553.cif