Paramagnetisches BF4, eine gemischtvalente metallorganische Verbindung

DOI: 10.1016/0022-328X(94)80227-0

Source and publish data:

Journal of Organometallic Chemistry p. C5 - C7 (1994)

Update date:2022-08-02

Topics:

Authors:

Zhu, Nianyong

Vahrenkamp, Heinrich

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Article abstract of DOI:10.1016/0022-328X(94)80227-0

The red closed-shell diamagnetic complex (CO)5Cr-CN-Fe(dppe)Cp (1) is obtained from Na and Cp(dppe)FeBr.Oxidation with <(p-BrC6H4)3N>BF4 converts it into the dark brown paramagnetic title compound 2.The crystal structure of 2, featuring a close to linear Cr-C-N-Fe arrangement, shows no unusual molecular details related to the odd-electron nature of the complex.Spectroscopic data of 2, including a strong IT band at 1130 nm, indicate that 2 is a heterometallic mixed valence complex of class II with a high degree of delocalization.Key words: Chromium; Iron; Carbonyl; Paramagnetism; Phosphorus

Full text of DOI:10.1016/0022-328X(94)80227-0

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