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Figure 3 The π–π stacking interactions between the cations and between the anions. (Cg1 and Cg2: N1, C1, C2, C3, C4 and C5; Cg8: C15, C16, C17, C18, C19 and C20; Cg3 and Cg6: N3, C15, C20, C21, C22 and C27; Cg4 and Cg5: C22, C23, C24, C25, C26 and C27; Cg8: C35, C36, C37, C38, C39 and C40;Cg9: N5, C28, C33, C34, C35 and C40; Cg10: C28, C29, C30, C31, C32 and C33) |