http://qiserver.ugr.es/cod/1001223.cif http://qiserver.ugr.es/cod/1007062.cif http://qiserver.ugr.es/cod/1537321.cif http://qiserver.ugr.es/cod/1537322.cif http://qiserver.ugr.es/cod/1537421.cif http://qiserver.ugr.es/cod/1538474.cif