Abstract

One-to-one complexes of ammonia with the neutral transition metals, Cu and Fe, have been formed in solid argon matrices at 12 K and investigated spectroscopically in the infrared region. FTIR spectra reveal large shifts in the ν 2 NH 3 umbrella mode upon complexation with these transition metal atoms. The present observations can be understood using the results of recent ab initio calculations by Bauschlicher. The complex binding is attributed to the electrostatic interaction between the NH 3 dipole moment and an induced effective dipole of the metal atom.

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