An exclusively organometallic {FeNO}(7) complex with tetracarbene ligation and a linear FeNO unit

Inorganic Chemistry
Claudia KupperFranc Meyer

Abstract

The iron(II) complex 1 of a macrocyclic tetracarbene binds NO to form a low-spin (S = (1)/2) {FeNO}(7) complex (2) with a linear FeNO unit and a short Fe-NO bond. IR, electron paramagnetic resonance, and Mössbauer spectroscopies as well as density functional theory calculations suggest some Fe(I)NO(+) character and reveal that the singly occupied molecular orbital of 2, resulting from the σ-antibonding interaction of Fe dz(2) and the NO lone pair, is largely iron-based. Reduction yields a quite stable {FeNO}(8) species (3); both 2 and 3 feature very low Mössbauer isomer shifts (∼0.0 mm·s(-1)).

References

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Nov 30, 2012·Angewandte Chemie·Steffen MeyerFranc Meyer
May 15, 2013·Journal of the American Chemical Society·Randara PulukkodyMarcetta Y Darensbourg

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Citations

May 19, 2016·Journal of the American Chemical Society·Claudia KupperFranc Meyer
Jul 29, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Daniel T WeissFritz E Kühn
Jan 4, 2019·Chemistry : a European Journal·Claudia SchremmerFranc Meyer

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