Methane Binding to Naked Metal Ions

DIHYDROGEN AND METHANE BINDING TO NAKED METAL IONS 

Binding energies for all first-row clusters [M(H2) ] + (n = 1-6) and several small-molecule analogues have been determined by temperature-dependent equi- 

210 These interactions have also been studied theoretically for Sc,211 

2n 208,209 noncovalent electrostatic interactions (charge-induced dipole 

13 support this. The 15-18 kcal/mol energies for = 4 (a reasonable approximation for a real fragment) may be sufficient to stabilize a methane complex toward observation near ambient temperature. 

CID measurements for CH4, binding to [Co(CH4) ] exhibit parallel behavior to that for [Co(H2) ] (Table 4.13). ° Ab initio calculations show similar bond energies and predict that CH4 binds in an fashion. The trend in bond 

It is most revealing that in all cases the experimental and calculated binding energies of methane to positively charged metal ions are greater than those for This 

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