Coordination of CO to the alkaline earth metallocene [(Me5C5)2Ca]

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Selg, Peter; Brintzinger, Hans-Herbert; Andersen, Richard A.; Horváth, István T.;
  • Related identifiers: doi: 10.1002/anie.199507911
  • Subject: Alkaline earth metal compounds | carbonyl complexes | high-pressure chemistry | metallocenes
    • ddc: ddc:540

The exothermic formation of a Ca–CO complex [Eq.(a), ΔHo = −25 kJ mol<sup>−1</sup>] confirms that CO can bind to a metal center without π back donation from filled d orbitals. In its spectroscopic properties, the calcocene–carbonyl complex resembles "nonclassical" noble... View more
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