Patent ID: 8269029

Claim:
A metal organic framework (MOF), comprising: a plurality of metals and/or metal oxides and a plurality of ligands arranged to form a crystalline structure having a surface area of at least about 100 m 2 /gm, wherein said plurality of ligands have a structure of formula I; wherein R 1 is DY 3 or A-DY 3 or A-B-DY 3 , wherein R 2 -R 4 is DY 3 or A-DY 3 or A-B-DY 3 or hydrogen; wherein A is O or S and B is DY 2 or O or S, each D is independently C or Si, each Y is independently hydrogen, fluorine, chlorine, or bromine, with the provisos that (i) at least one of A or B must be DY 2 in A-B-DY 3 and (ii) when D in DY 2 is Si, Y is hydrogen, chlorine, or fluorine.