Ground- and excited-state electronic structure of an emissive pyrazine-bridged ruthenium(II) dinuclear complex

Wesley R. Browne; Noel M. O'Boyle; William Henry; Adrian L. Guckian; Sabine Horn; Thomas Fett; Christine M. O'Connor; Marco Duati; Luisa De Cola; Colin G. Coates; Kate L. Ronayne; John J. McGarvey; Johannes G. Vos

doi:10.1021/ja046034e

Ground- and excited-state electronic structure of an emissive pyrazine-bridged ruthenium(II) dinuclear complex

Wesley R. Browne, Noel M. O'Boyle, William Henry, Adrian L. Guckian, Sabine Horn, Thomas Fett, Christine M. O'Connor, Marco Duati, Luisa De Cola, Colin G. Coates, Kate L. Ronayne, John J. McGarvey, Johannes G. Vos

Research output: Contribution to journal › Article › peer-review

45 Citations (Scopus)

Abstract

The synthesis, characterization, and electrochemical, photophysical, and photochemical properties of the binuclear compounds [(Ru(H₈-bpy) ₂)₂((Metr)₂Pz)](PF₆)₂ (1) and [(Ru(D₈-bpy)₂)₂((Metr)₂Pz)] (PF₆)₂ (2), where bpy is 2,2′-bipyridine and H ₂(Metr)₂Pz is the planar ligand 2,5-bis(5′-methyl- 4′H-[1,2,4]triaz-3′-yl)-pyrazine, are reported. Electrochemical and spectro-electrochemical investigations indicate that the ground-state interaction between each metal center is predominantly electrostatic and in the mixed-valence form only a low level of ground-state delocalization is present. Resonance Raman, transient, and time-resolved spectroscopies enable a detailed assignment to be made of the excited-state photophysical properties of the complexes. Deuteriation is employed to both facilitate spectroscopic characterization and investigate the nature of the lowest excited states.

Original language	English
Pages (from-to)	1229-1241
Number of pages	13
Journal	Journal of the American Chemical Society
Volume	127
Issue number	4
DOIs	https://doi.org/10.1021/ja046034e
Publication status	Published - 2 Feb 2005

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Browne, W. R., O'Boyle, N. M., Henry, W., Guckian, A. L., Horn, S., Fett, T., O'Connor, C. M., Duati, M., De Cola, L., Coates, C. G., Ronayne, K. L., McGarvey, J. J., & Vos, J. G. (2005). Ground- and excited-state electronic structure of an emissive pyrazine-bridged ruthenium(II) dinuclear complex. Journal of the American Chemical Society, 127(4), 1229-1241. https://doi.org/10.1021/ja046034e

@article{52a0253159fc450981a0b1fed9ee604d,

title = "Ground- and excited-state electronic structure of an emissive pyrazine-bridged ruthenium(II) dinuclear complex",

abstract = "The synthesis, characterization, and electrochemical, photophysical, and photochemical properties of the binuclear compounds [(Ru(H8-bpy) 2)2((Metr)2Pz)](PF6)2 (1) and [(Ru(D8-bpy)2)2((Metr)2Pz)] (PF6)2 (2), where bpy is 2,2′-bipyridine and H 2(Metr)2Pz is the planar ligand 2,5-bis(5′-methyl- 4′H-[1,2,4]triaz-3′-yl)-pyrazine, are reported. Electrochemical and spectro-electrochemical investigations indicate that the ground-state interaction between each metal center is predominantly electrostatic and in the mixed-valence form only a low level of ground-state delocalization is present. Resonance Raman, transient, and time-resolved spectroscopies enable a detailed assignment to be made of the excited-state photophysical properties of the complexes. Deuteriation is employed to both facilitate spectroscopic characterization and investigate the nature of the lowest excited states.",

author = "Browne, {Wesley R.} and O'Boyle, {Noel M.} and William Henry and Guckian, {Adrian L.} and Sabine Horn and Thomas Fett and O'Connor, {Christine M.} and Marco Duati and {De Cola}, Luisa and Coates, {Colin G.} and Ronayne, {Kate L.} and McGarvey, {John J.} and Vos, {Johannes G.}",

year = "2005",

month = feb,

day = "2",

doi = "10.1021/ja046034e",

language = "English",

volume = "127",

pages = "1229--1241",

journal = "Journal of the American Chemical Society",

issn = "0002-7863",

publisher = "American Chemical Society",

number = "4",

}

Browne, WR, O'Boyle, NM, Henry, W, Guckian, AL, Horn, S, Fett, T, O'Connor, CM, Duati, M, De Cola, L, Coates, CG, Ronayne, KL, McGarvey, JJ & Vos, JG 2005, 'Ground- and excited-state electronic structure of an emissive pyrazine-bridged ruthenium(II) dinuclear complex', Journal of the American Chemical Society, vol. 127, no. 4, pp. 1229-1241. https://doi.org/10.1021/ja046034e

TY - JOUR

T1 - Ground- and excited-state electronic structure of an emissive pyrazine-bridged ruthenium(II) dinuclear complex

AU - Browne, Wesley R.

AU - O'Boyle, Noel M.

AU - Henry, William

AU - Guckian, Adrian L.

AU - Horn, Sabine

AU - Fett, Thomas

AU - O'Connor, Christine M.

AU - Duati, Marco

AU - De Cola, Luisa

AU - Coates, Colin G.

AU - Ronayne, Kate L.

AU - McGarvey, John J.

AU - Vos, Johannes G.

PY - 2005/2/2

Y1 - 2005/2/2

N2 - The synthesis, characterization, and electrochemical, photophysical, and photochemical properties of the binuclear compounds [(Ru(H8-bpy) 2)2((Metr)2Pz)](PF6)2 (1) and [(Ru(D8-bpy)2)2((Metr)2Pz)] (PF6)2 (2), where bpy is 2,2′-bipyridine and H 2(Metr)2Pz is the planar ligand 2,5-bis(5′-methyl- 4′H-[1,2,4]triaz-3′-yl)-pyrazine, are reported. Electrochemical and spectro-electrochemical investigations indicate that the ground-state interaction between each metal center is predominantly electrostatic and in the mixed-valence form only a low level of ground-state delocalization is present. Resonance Raman, transient, and time-resolved spectroscopies enable a detailed assignment to be made of the excited-state photophysical properties of the complexes. Deuteriation is employed to both facilitate spectroscopic characterization and investigate the nature of the lowest excited states.

AB - The synthesis, characterization, and electrochemical, photophysical, and photochemical properties of the binuclear compounds [(Ru(H8-bpy) 2)2((Metr)2Pz)](PF6)2 (1) and [(Ru(D8-bpy)2)2((Metr)2Pz)] (PF6)2 (2), where bpy is 2,2′-bipyridine and H 2(Metr)2Pz is the planar ligand 2,5-bis(5′-methyl- 4′H-[1,2,4]triaz-3′-yl)-pyrazine, are reported. Electrochemical and spectro-electrochemical investigations indicate that the ground-state interaction between each metal center is predominantly electrostatic and in the mixed-valence form only a low level of ground-state delocalization is present. Resonance Raman, transient, and time-resolved spectroscopies enable a detailed assignment to be made of the excited-state photophysical properties of the complexes. Deuteriation is employed to both facilitate spectroscopic characterization and investigate the nature of the lowest excited states.

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U2 - 10.1021/ja046034e

DO - 10.1021/ja046034e

M3 - Article

AN - SCOPUS:13644262203

SN - 0002-7863

VL - 127

SP - 1229

EP - 1241

JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

IS - 4

ER -

Ground- and excited-state electronic structure of an emissive pyrazine-bridged ruthenium(II) dinuclear complex

Abstract

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