Patent ID: 8809546

Claim:
A framework comprising a general structure: M-L-M, wherein M comprises a transition metal and L is a linking moiety and M-L-M has structure II: wherein: A 1 , A 2 , A 3 , and A 4 can be either C or N such that at least one of A 1 -A 4 comprises N; R 4 is H, methyl-, halo-, cyano-, or ethyl; R 5 , R 6 , R 7 , and R 8 are each individually an alkyl, halo-, cyano-, or nitro-; and M 3 and M 4 comprise a transition metal the framework comprises a topology selected from the group consisting of EMT, FAU, BEA, CAN, GME, LTL, MAZ, MOR, MTW, and OFF.