In the structure of the title compound, 28,31,36,39-tetraoxa-9,17,42-triaza-1,25-diazoniapentacyclo[23.8.5.1(11,15).0(3,8).0(18,23)]nonatriaconta-3,5,7,9,11,13,15,16,18,20,22-undecene bis(perchlorate), C33H43N5O(4)2+.2ClO4- or (H2L)(ClO4)2, the cation and one of the two independent anions lie on