Wikipedia

Tris(bipyridine)iron(II) chloride

Tris(bipyridine)iron(II) chloride is the chloride salt of the coordination complex tris(bipyridine)iron(II), [Fe(C10H8N2)3]2+. It is a red solid. In contrast to tris(bipyridine)ruthenium(II), this iron complex is not a useful photosensitizer because its excited states relax too rapidly, a consequence of the primogenic effect.

Tris(bipyridine)iron(II) chloride
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/3C10H8N2.2ClH.Fe/c3*1-3-7-11-9(5-1)10-6-2-4-8-12-10;;;/h3*1-8H;2*1H;/q;;;;;+2/p-2
    Key: GBRPARYPGGYWHF-UHFFFAOYSA-L
  • C1=CC=NC(=C1)C2=CC=CC=N2.C1=CC=NC(=C1)C2=CC=CC=N2.C1=CC=NC(=C1)C2=CC=CC=N2.[Cl-].[Cl-].[Fe+2]
Properties
C30H24Cl2FeN6
Molar mass 595.31 g·mol−1
Appearance red solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Tris(bipyridine)iron(II) chloride features an octahedral Fe(II) center bound to three 2,2'-Bipyridine ligands. The complex has been isolated as salts with many anions. [1]

Synthesis and reactions

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The sulfate salt [Fe(bipy)3]SO4 is produced by combining ferrous sulfate with excess bipy in aqueous solution. This result illustrates the preference of Fe(II) for bipyridine vs water. Addition of cyanide to this solution precipitates solid Fe(bipy)2(CN)2.[2]

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Reference

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  1. ^ Batten, Stuart R.; Murray, Keith S.; Sinclair, Nathan J. (2000). "Tris(2,2′-bipyridyl- N , N ′)iron(II) diperchlorate". Acta Crystallographica Section C Crystal Structure Communications. 56 (8): e320. Bibcode:2000AcCrC..56E.320B. doi:10.1107/S0108270100009185.
  2. ^ Schilt, Alfred A. (1970). Dicyanobis(1,10-phenanthroline)Iron(II) and Dicyanobis(2,2′-bipyridine)iron(II). Inorganic Syntheses. Vol. 12. pp. 247–251. doi:10.1002/9780470132432.ch43. ISBN 978-0-470-13171-8.
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