(18-Crown-6)potassium [(1,2,5,6-η)-cyclo-octa-1,5-diene][(1,2,3,4-η)-naph-tha-lene]-ferrate(-I).

Citation data:

Acta crystallographica. Section E, Structure reports online, ISSN: 1600-5368, Vol: 68, Issue: Pt 10, Page: m1230-1

Publication Year:
2012
Usage 8
Abstract Views 8
Citations 1
Citation Indexes 1
PMID:
23125569
DOI:
10.1107/s160053681203704x, 10.1107/s160053681203704x/wm2674sup0.html, 10.1107/s160053681203704x/wm2674sup1.cif, 10.1107/s160053681203704x/wm2674isup2.hkl
PMCID:
PMC3470125
Author(s):
Brennessel, William W, Ellis, John E
Publisher(s):
International Union of Crystallography (IUCr), International Union of Crystallography
Tags:
Chemistry, Materials Science, Physics and Astronomy
article description
The title salt, [K(C(12)H(24)O(6))][Fe(C(8)H(12))(C(10)H(8))], is the only known naphthalene complex containing iron in a formally negative oxidation state. Each (naphthalene)(1,5-cod)ferrate(-I) anion is in contact with one (18-crown-6)potassium cation via K⋯C contacts to the outer four carbon atoms of the naphthalene ligand (cod = 1,5-cyclo-octa-diene, 18-crown-6 = 1,4,7,10,13,16-hexa-oxacyclo-octa-deca-ne). When using the midpoints of the coordinating olefin bonds, the overall geometry of the coordination sphere around iron can be best described as distorted tetra-hedral. The naphthalene fold angle between the plane of the iron-coordinating butadiene unit and the plane containing the exo-benzene moiety is 19.2 (1)°.

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