<i>cis</i>-Dichlorobis(1,10-phenanthroline)iron(II)

Fu, Xucheng; Li, Mingtian; Wang, Chenggang

doi:10.1107/s1600536805016156

Cited by 7 publications

(1 citation statement)

References 2 publications

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“…Unless otherwise stated, all reagents were purchased from commercial sources and used without additional purification. 4′,5′-Bis-(propylthio)tetrathiafulvenyl[ i ]dipyrido[3,2- a :2′,3′- c ]phenazine (TTF-dppz) and [Fe(phen) 2 Cl 2 ] , were prepared according to literature procedures. The 1 H NMR spectrum was obtained on a Bruker AC 300 spectrometer operating at 300.18 MHz.…”

Section: Methodsmentioning

confidence: 99%

A Donor–Acceptor Tetrathiafulvalene Ligand Complexed to Iron(II): Synthesis, Electrochemistry, and Spectroscopy of [Fe(phen)₂(TTF-dppz)](PF₆)₂

et al. 2012

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The synthesis and photophysical properties of the complex [Fe(phen)(2)(TTF-dppz)](2+) (TTF-dppz = 4',5'-bis-(propylthio)tetrathiafulvenyl[i]dipyrido[3,2-a:2',3'-c]phenazine, phen = 1,10-phenanthroline) are described. In this complex, excitation into the metal-ligand charge transfer bands results in the population of a high-spin state of iron(II), with a decay lifetime of approximately 1.5 ns, in dichloromethane, at room temperature. An intraligand charge transfer state can also be obtained and has a lifetime of 38 ps. A mechanism for the different states reached is proposed based on transient absorption spectroscopy.

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Section: Methodsmentioning

confidence: 99%

A Donor–Acceptor Tetrathiafulvalene Ligand Complexed to Iron(II): Synthesis, Electrochemistry, and Spectroscopy of [Fe(phen)₂(TTF-dppz)](PF₆)₂

et al. 2012

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Transition metal derivatives of 1,10-phenanthroline-5,6-dione: Controlled growth of coordination polynuclear derivatives

Calucci

Pampaloni

Pinzino

et al. 2006

Inorganica Chimica Acta

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Unsymmetrical diimine complexes of iron(ii) and manganese(ii): synthesis, structure and photoluminescence of an isomer

Roy¹,

Biswas²,

Weyhermüller

et al. 2011

Dalton Trans.

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Two bis(unsymmetrical diimine) complexes of (L(NO(2))(ϕ1))(L(NO(2))(ϕ2))M(II)Cl(2) family with M = Fe and Mn, are reported (L(NO(2))(ϕ) = (E)-3-nitro-N-(pyridine-2-ylmethylene)aniline; ϕ = dihedral angle between the diimine unit including pyridine ring and the phenyl ring planes). Pure tcc-(L(NO2)(33.6))(L(NO2)(79.3))Fe(II)Cl(2)·0.5H(2)O (1) and tcc-(L(NO2)(32.0))(L(NO2)(79.4))Mn(II)Cl(2)·0.5H(2)O (2) isomers have been successfully isolated in high yields and characterized by elemental analyses, variable temperature magnetic susceptibility measurements, IR, mass, UV-vis and Mössbauer spectra including the single-crystal X-ray structure determinations that identified strong intermolecular non-bonding interactions in lattice (tcc refers to trans-cis-cis positions with respect to pyridine N-imine N-Cl donors). Geometries optimizations of all possible tcc, ttt, ctc, ccc and cct isomers of iron at the B3LYP/DFT level in gas-phase have shown that the tcc-isomer incorporating two non-equivalent ligands as in (L(NO(2))(42))(L(NO(2))(61))Fe(II)Cl(2), 1 (g), is stabilized by 6-20 kJ mol(-1) compared to other isomers where two ligands are equivalent. The frozen methanol glasses of 1 and 2 are luminescent at 77 K (1: λ(ext) = 370, λ(em) = 521 nm, χ(2) = 1.3, τ(avg) = 0.57 ns; 2: λ(ext) = 368, λ(em) = 524 nm, χ(2) = 1.1, τ(avg) = 0.90 ns). The DFT calculations have identified four closely spaced localized π(*) orbitals comprising of two non-equivalent ligands as UPMOs. The features contrast the tcc-isomer of (L(ϕ))(2)Fe(II)Cl(2) (3), congener of 1 without -NO(2) substitution and non-emissive (bpy)(2)Fe(II)Cl(2) (4) where two ligands are equivalent. TD-DFT calculations have assigned intra-ligand (IL) and ligand to ligand charge transfer (LLCT) dominated excited states as the origin of luminescence of 1 and 2.

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cis-Dichlorobis(1,10-phenanthroline)iron(II)

Abstract: In the title compound, cis‐[FeCl2(C12H8N2)2], the Fe atom has a distorted octahedral coordination composed of four N atoms from two phenanthroline groups and two Cl atoms. The crystal packing is stabilized by weak π–π stacking of neighboring phenanthroline groups.

Cited by 7 publications

References 2 publications

A Donor–Acceptor Tetrathiafulvalene Ligand Complexed to Iron(II): Synthesis, Electrochemistry, and Spectroscopy of [Fe(phen)₂(TTF-dppz)](PF₆)₂

A Donor–Acceptor Tetrathiafulvalene Ligand Complexed to Iron(II): Synthesis, Electrochemistry, and Spectroscopy of [Fe(phen)₂(TTF-dppz)](PF₆)₂

Transition metal derivatives of 1,10-phenanthroline-5,6-dione: Controlled growth of coordination polynuclear derivatives

Unsymmetrical diimine complexes of iron(ii) and manganese(ii): synthesis, structure and photoluminescence of an isomer

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cis-Dichlorobis(1,10-phenanthroline)iron(II)

Abstract: In the title compound, cis‐[FeCl2(C12H8N2)2], the Fe atom has a distorted octa­hedral coordination composed of four N atoms from two phenanthroline groups and two Cl atoms. The crystal packing is stabilized by weak π–π stacking of neighboring phenanthroline groups.

Cited by 7 publications

References 2 publications

A Donor–Acceptor Tetrathiafulvalene Ligand Complexed to Iron(II): Synthesis, Electrochemistry, and Spectroscopy of [Fe(phen)2(TTF-dppz)](PF6)2

A Donor–Acceptor Tetrathiafulvalene Ligand Complexed to Iron(II): Synthesis, Electrochemistry, and Spectroscopy of [Fe(phen)2(TTF-dppz)](PF6)2

Transition metal derivatives of 1,10-phenanthroline-5,6-dione: Controlled growth of coordination polynuclear derivatives

Unsymmetrical diimine complexes of iron(ii) and manganese(ii): synthesis, structure and photoluminescence of an isomer

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Abstract: In the title compound, cis‐[FeCl2(C12H8N2)2], the Fe atom has a distorted octahedral coordination composed of four N atoms from two phenanthroline groups and two Cl atoms. The crystal packing is stabilized by weak π–π stacking of neighboring phenanthroline groups.

A Donor–Acceptor Tetrathiafulvalene Ligand Complexed to Iron(II): Synthesis, Electrochemistry, and Spectroscopy of [Fe(phen)₂(TTF-dppz)](PF₆)₂

A Donor–Acceptor Tetrathiafulvalene Ligand Complexed to Iron(II): Synthesis, Electrochemistry, and Spectroscopy of [Fe(phen)₂(TTF-dppz)](PF₆)₂