Single-Crystal-to-Single-Crystal Breathing and Guest Exchange in CoII Metal–Organic Frameworks

Autor: Parthasarathi Dastidar, Sumi Ganguly, Sandip Mukherjee
Rok vydání: 2016
Předmět:
Zdroj: Crystal Growth & Design. 16:5247-5259
ISSN: 1528-7505
1528-7483
Popis: Single-crystal-to-single-crystal (SCSC) breathing and guest exchange properties of a series of CoII metal–organic frameworks (MOFs) are reported. A new bis-pyridyl-bis-amide ligand, namely 4,4′-oxybis(N-(pyridine-4-yl)benzamide) (LP1), produced two MOFs, namely [{Co(LP1)(IPA)}(DMF)2(H2O)]∞ (1) and [{Co2(LP1)2(TPA)2}(DMF)4]∞ (2) under solvothermal conditions (IPA = isophthalate, TPA = terephthlate). While 1 showed excellent SCSC breathing responsive to both heat and guests (acetone, DMSO, MeOH, DEF), 2 displayed no breathing under similar conditions. However, it showed excellent SCSC guest (acetone, DMSO) exchange properties. Single-crystal structural analyses revealed that the conformational flexibility of the ligand LP1 played a crucial role both in breathing in 1 and in guest exchange in 2. Compound 1 also displayed heat responsive magnetic changes.
Databáze: OpenAIRE