Fig. 7
From: Anion-adaptive crystalline cationic material for 99TcO4− trapping

ReO4− exchange-triggered structural transformation of SCP-IHEP-1. a Single-crystal-to-single-crystal (SCSC) transformation from SCP-IHEP-1 to SCP-IHEP-1-Re upon ReO4− incorporation. b Adaptive structural transformation of CB8-based tetrahedral cavity after encapsulation of ReO4−