TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Component: The oxygen moiety is a carboxyl, a hydroxyl, an aldehyde or a ketone. The transitional metal coordination complex is Wilkinson's complex, (Ag(NH3)2)+, (Cu(NH3)4)2+, (Fe(CN)6)4-, (Fe(CN)6)3-, (Co(NH3)6)3+, (Pt(NH3)2Cl2), (Cr(ethylenediamine)3)3+, (Pt(NH3)4)2+, Fe(C5H5)2, Ni(C5H5)2, (PdCl4)2-, Cr(CO)6, (Ni(NH3)6)2+, (CoF6)3-, (Pt(ethylenediamine)2Cl2)Br2, (Co(NH3)4 (SCN)Br)Cl, (Fe(H20)6)3+, (CeCl6)2-, (La(acetylacetone)3 (H20)2), (Nd(H20)9)3+, (Er(NCS)6), (Lu(2,6-dimethylphenyl)4)- or (Ho(tropolonate)4)-. It is in the form of a nitrate, a halide, or a salt. The transitional metal coordination complex is a Wilkinson's complex. The rhodium of the Wilkinson's complex has an oxidation state of three. The organic solvent is dimethylsulfoxide (DMSO), tetrahydrofuran (THF) or dimethylformamide (DMF), methanol, ethanol, 2-propanol, acetone, o-dichlorobenzene (ODCB), ethyl acetate, or benzene. The solution comprises a mixture of different transitional metal coordination complexes. The organic solvent is a halogenated organic solvent, preferably trimethyl chloride (CHCl3). The hydrocarbon is an alkene, acetylene, an alkadiene, a cycloolefin, a cycloacetylene, a cycloalkene, an alkyne, a cyclohexene or an aromatic compound.Preferred Method: The reaction is a hydrogenation, a hydroformylation, an epoxidation, an olefin metathesis, a hydrosilylation, or an alkene (Ziegler-Natta) polymerization. It is preferably a hydrogenation of the unsaturated hydrocarbon. The method of catalyzing the reaction of the unsaturated hydrocarbon further comprises recovering the carbon nanotube adduct from the catalyst system.    TECHNOLOGY FOCUS - ELECTRONICS - Preferred Component: The carbon nanotube adduct comprises different types of transitional metal coordination complexes. It has high degree of solubility in organic or aqueous solvents. It is a hexa-coordinate structure. The carbon nanotube is a semi-conductor, or a metal. It is a single-walled or multi-walled carbon nanotube. End(s) of the carbon nanotube is open. The covalent linkage is a coordinative linkage. The carbon nanotube-metal adduct dispersion (50-99 wt.%) comprises nanotubes in DMSO, THF or DMF. The carbon nanotube adduct may comprise the carbon nanotube and a macrocyclic molecule, where a functional group attaches the macrocyclic molecule and the nanotube. The macrocyclic molecule is a coronand, a corand, a cryptand, a spherand, a cryptaspherand, a hemispherand, a podand, a cavitand, a carcerand, or their derivatives. It is preferably a crown ether having a cavity size of 1.7-3 Angstrom and comprising at least 15-44 atoms, where the crown ether is 12-crown-4, 15-crown-5,18-crown-6,27-crown-9, 30-crown-10 or dicyclohexano-18-crown-6. It forms a cavity of 0.5-10 Angstrom. 54. The macrocyclic molecule and the carbon nanotube are covalently or ionically linked. The carbon nanotube adduct may include an organic molecule linker between the functional group and the macrocyclic molecule, where the linker comprises less than 20C.Preferred Method: The method of producing carbon nanotubes further comprises precipitating the carbon nanotube adduct from the solution. The bundles are exfoliated to a single nanotube. The modification of conductance is tunability in conductance.Preferred Properties: The diameter of the single-walled carbon nanotube is 0.7-1.5 nm. The diameter of the multi-walled carbon nanotube is 3-30 nm. The carbon nanotube adduct has a solubility of greater than 250 mg/L in DMSO, and a solubility of greater than 75 mg/L in THF or DMF. The physical property is an electronic property, an electrical property, an electromechanical property, an optical property, a chemical property, a mechanical property, a structural property, a thermal property or a thermoelectric property. The electrical property is conductance, resistivity, carrier mobility, a transport property, permittivity, or a charge transfer property. The structural property is elasticity or ease of composite formation.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The macrocyclic molecule comprises oxygen, nitrogen or sulfur atoms; or a metal ion from a lithium ion, a potassium ion, a calcium ion, a mercury ion, a zinc ion, a strontium ion, or a magnesium ion.