Fig. 2: PCN-521, a MOF, acts as a molecular scaffold onto which field donors and acceptors are installed in fixed configurations. | Nature Chemistry

Fig. 2: PCN-521, a MOF, acts as a molecular scaffold onto which field donors and acceptors are installed in fixed configurations.

From: Electrostatic atlas of non-covalent interactions built into metal–organic frameworks

Fig. 2

a, Molecular building blocks of the MOF. b, Connection of the metal cuboid (Zr6 cluster) and the organic tetrahedron (H4L) into a network in fluorite topology. c, Incorporation of the trigonal organic linker (H3LCN) builds into the MOF crystals defective sites comprising a field donor (–CF3) oriented towards a field acceptor (nitrile probe).

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