The zeolitic framework of claim 1 , wherein the zeolitic framework comprises a plurality of pores, each of the plurality of pores comprises a sufficient number of accessible sites for atomic or molecular adsorption.20.The zeolitic framework of claim 21, wherein the guest species is selected from the group consisting of organic molecules with a molecular weight less than 100 g/mol, organic molecules with a molecular weight less than 300 g/mol, organic molecules with a molecular weight less than 600 g/mol, organic molecules with a molecular weight greater than 600 g/mol, organic molecules containing at least one aromatic ring, polycyclic aromatic hydrocarbons, and metal complexes having formula M where M is metal ion, X is selected from the group consisting of a Group 14 through Group 17 anion, m is an integer from 1 to 10, and n is a number selected to charge balance the metal cluster so that the metal cluster has a predetermined electric charge; and combinations thereof.23.

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In yet another embodiment, the zeolitic framework comprises homogenous transition metal but a heterogeneous combination of linking moieties.

In a further embodiment, a zeolitic framework comprises a heterogeneous mixture of transition metals and linking moieties.

The device of claim 29, wherein the adsorbed chemical species is selected from the group consisting of ammonia, carbon dioxide, carbon monoxide, hydrogen, amines, methane, oxygen, argon, nitrogen, argon, organic dyes, polycyclic organic molecules, and combinations thereof.40.

The method of claim 38, wherein the adsorbed chemical species is selected from the group consisting of ammonia, carbon dioxide, carbon monoxide, hydrogen, amines, methane, oxygen, argon, nitrogen, argon, organic dyes, polycyclic organic molecules, and combinations thereof. 60/950,295, filed July 17, 2007, the disclosure of which is incorporated herein by reference in its entirety.

The disclosure provides zeolitic frameworks for gas separation, gas storage, catalysis and sensors.

More particularly the disclosure provides zeolitic frameworks (ZIFs).

[0011 ] The disclosure provides zeolitic framework wherein the zeolitic framework comprises a POZ framework structure.

[0012 ] A zeolitic framework on the disclosure can comprise one or more of the following characteristics: a surface area of a pore of the plurality of pores is greater than about 2000 mcm ; atomic coordinates as set forth in any one of the tables described herein.

The government has certain rights in the invention. Zeolite structures are composed of tetrahedral Si(Al)O units covalently joined by bridging O atoms to produce -150 different types of framework.