Acetonitrile(1,10-phenanthroline)(2,2′:6′,2′′-terpyridine)ruthenium(II) bis(hexafluorophosphate)

Yoshikawa, Naokazu; Ichimura, Akio; Kanehisa, Nobuko; Takashima, Hiroshi; Tsukahara, Keiichi

doi:10.1107/s1600536804031629

Cited by 6 publications

(2 citation statements)

References 3 publications

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“…which is slightly longer than those reported previously (Yoshikawa et al, 2005;Venegas-Yazigi et al, 2000).…”

contrasting

confidence: 57%

(Acetonitrile)(4′-phenyl-2,2′:6′,2′′-terpyridine)bis(tri-n-butylphosphine)ruthenium(II) bis(hexafluorophosphate) dichloromethane solvate

Kan¹,

Zhang²,

Gao³

et al. 2006

Acta Cryst E

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Key indicatorsSingle-crystal X-ray study T = 293 K Mean (C-C) = 0.005 Å H-atom completeness 98% Disorder in main residue R factor = 0.050 wR factor = 0.146 Data-to-parameter ratio = 11.1 For details of how these key indicators were automatically derived from the article, see A view of the structure of (I), showing 30% probability displacement ellipsoids and a partial atomic numbering scheme. H atoms of the CH 2 Cl 2 solvate were not located. Only the major disorder components are shown. The suffix A indicates the symmetry position Àx, y, 1 2 À z.

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“…which is slightly longer than those reported previously (Yoshikawa et al, 2005;Venegas-Yazigi et al, 2000).…”

contrasting

confidence: 57%

(Acetonitrile)(4′-phenyl-2,2′:6′,2′′-terpyridine)bis(tri-n-butylphosphine)ruthenium(II) bis(hexafluorophosphate) dichloromethane solvate

Kan¹,

Zhang²,

Gao³

et al. 2006

Acta Cryst E

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“…All X‐ray measurements were performed on a Rigaku (Tokyo, Japan) R‐Axis‐Rapid Imaging Plate diffractometer with graphite monochromated MoKα radiation . Indexing was performed from three oscillations.…”

Section: Methodsmentioning

confidence: 99%

Syntheses, X-ray crystal structures, and emission properties of diprotonated tetrapyridylpyrazine and triprotonated terpyridine

Yoshikawa

Yamabe

Kanehisa

et al. 2015

J. Phys. Org. Chem.

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A series of metal-free compounds, that is, planar diprotonated tetraH 2 (PF 6 ) 2 (1), planar monoprotonated bppzHPF 6 (2), nonplanar diprotonated bppzH 2 (PF 6 ) 2 (3), and planar triprotonated terpyH 3 Cl(PF 6 ) 2 (4), were prepared and characterized by electrospray ionization mass spectrometry, Ultraviolet-visible spectroscopy and cyclic voltammetry. Abbreviations used are tetra = tetra-2-pyridylpyrazine, bppz = 2,3-bis(2-pyridyl)pyrazine, and terpy = 2,2′:6′,2″-terpyridine. The X-ray crystal structures of the four compounds 1, 2, 3, and 4 were determined. Both protonated pyridine rings are hydrogen bonded intramolecularly to the adjacent pyridine ring in compounds 1 and 3. The π-π* absorption bands in the ultraviolet region for 1, 2, 3, and 4 in acetonitrile were red-shifted relative to those of the corresponding neutral unprotonated compounds. All the cyclic voltammetry for the protonated species, 1, 2, 3, and 4, showed the first reduction waves from À0.37 to À1.18 V, that were more positive than those of the neutral ones. Density functional theory was applied to interpret the planarity in 1. The attachment of two protons to the two terminal tetra nitrogens in 1 leads to the remarkable emission (Φ = 0.031). The attachment of three protons to the three terpy nitrogens in 4 also gives the large quantum yield (Φ = 0.48). Figure 5. Normalized emission spectra of 1 (red line) and 4 (black line) in CH 3 CN solution (1.0 × 10 À5 M) at 25°C (λ ex = 329 nm and λ ex = 322 nm, respectively) REMARKABLE EMISSION OF DIPROTONATED TETRA-2-PYRIDYLPYRAZINE

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Chemistry and Properties of Terpyridine Transition Metal Ion Complexes

Schubert

Winter

Newkome

2011

Terpyridine‐Based Materials

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Acetonitrile(1,10-phenanthroline)(2,2′:6′,2′′-terpyridine)ruthenium(II) bis(hexafluorophosphate)

Abstract: Key indicatorsSingle-crystal X-ray study T = 296 K Mean '(C±C) = 0.012 A Ê R factor = 0.089 wR factor = 0.172 Data-to-parameter ratio = 8.4For details of how these key indicators were automatically derived from the article, see

Cited by 6 publications

References 3 publications

(Acetonitrile)(4′-phenyl-2,2′:6′,2′′-terpyridine)bis(tri-n-butylphosphine)ruthenium(II) bis(hexafluorophosphate) dichloromethane solvate

(Acetonitrile)(4′-phenyl-2,2′:6′,2′′-terpyridine)bis(tri-n-butylphosphine)ruthenium(II) bis(hexafluorophosphate) dichloromethane solvate

Syntheses, X-ray crystal structures, and emission properties of diprotonated tetrapyridylpyrazine and triprotonated terpyridine

Chemistry and Properties of Terpyridine Transition Metal Ion Complexes

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