TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The functionalized fullerenes or fullerides are decorated with metal selected from magnesium, aluminum, lithium, sodium, potassium, cesium, calcium and transition metals. The functionalized fullerenes or fullerides are magnesium, aluminium and/or lithium decorated fullerenes, preferably magnesium decorated fullerenes. The functionalized fullerenes comprise Mg-functionalized 60C fullerenes including 1-10 (preferably 10) Mg atoms. Each metal cluster comprises at least two metal ions and each ligand of multidentate ligand includes carboxylates. The metal ion is selected from Group 1-16 metals of the IUPAC Periodic Table of the Elements including actinides, and/or lanthanides (preferably Li+, Na+, K+, Rb+, Be2+, Mg2+, Ca2+, Sr2+, Ba2+, Sc3+, Y3+, Ti4+, Zr4+, Hf4+, V4+, V3+, V2+, Nb3+, Ta3+, Cr3+, Mo3+, W3+, Mn3+, Mn2+, Re3+, Re2+, Fe3+, Fe2+, Ru3+, Ru2+, Os3+, Os2+, Co3+, Co2+, Rh2+, Rh+, Ir2+, Ir+, Ni2+, Ni+, Pd2+, Pd+, Pt2+, Pt+, Cu2+, Cu+, Ag+, Au+, Zn2+, Cd2+, Hg2+, B3+, B5+, Al3+, Ga3+, In3+, Tl3+, Si4+, Si2+, Ge4+, Ge2+, Sn4+, Sn2+, Pb4+, Pb2+, As5+, As3+, As+, Sb5+, Sb3+, Sb+, Bi5+, Bi3+, and/or Bi+. The multidentate linking ligand has greater than or equal to 6 (preferably greater than or equal to 12) atoms that are incorporated in aromatic rings or non-aromatic rings. The metal-organic framework comprises MOF-177, MOF-5 or IRMOF-8. The gas comprises a component selected methane, hydrogen, ammonia, argon, carbon dioxide, and/or carbon monoxide (preferably hydrogen, methane or carbon dioxide). The metal-organic framework has pore radii of 10-20, preferably 13-21) Angstrom . The gas adsorption material for adsorbing methane, where the metal-organic framework has pore radii of 17-21 Angstrom . The gas adsorption material for adsorbing hydrogen, where the metal-organic framework has pore radii of 13-16 Angstrom . The metal cluster has formula MmXn.M=metal ion (preferably Be2+, Ti4+, B3+, Mg2+, Ca2+, Sr2+, Ba2+, V2+, V3+, V4+, V5+, Mn2+, Re2+, Fe2+, Fe3+, Ru3+, Ru2+, Os2+, Co2+, Rh2+, Ir2+, Ni2+, Pd2+, Pt2+, Cu2+, Zn2+, Cd2+, Hg2+, Si2+, Ge2+, Sn2+, and Pb2+, especially Zn2+);X=Group 14-17 anions (preferably O2-, N3, and S2-, especially O2-);m=1-10;andn=number selected to charge balance the metal cluster so that the metal cluster has a predetermined electric charge.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The multidentate linking ligand comprises 27 ligands as given in specification e.g. ligand of formulae (I), (II), (III), (IV), (V) (preferably ligand (III) or (V)).X=H, -NHR, -N(R)2, halides, 1-10C alkyl, 6-10C aryl, or 6-10C aralkyl, -NH2, alkenyl, alkynyl, -O-alkyl, -NH(aryl), cycloalkyl, cycloalkenyl, cycloalkynyl, -(CO)R, -(SO2)R, -(CO2)R -SH, -S(alkyl), -SO3H, -SO3-M+, -COOH, -COO-M+, -PO3H2-, -PO3-H-M+, -PO32-M2+, or -PO32-M2+, -NO2, -CO2H, silyl derivatives; borane derivatives; ferrocenes or other metallocenes. EXAMPLE - No suitable example given.