22873-66-1

Basic information

• Product Name: tris-(1,10-phenanthroline)ruthenium
• Synonyms: tris-(1,10-phenanthroline)ruthenium
• CAS NO: 22873-66-1
• Molecular Formula: C36H24N6Ru
• Molecular Weight: 641.7
• Mol File: 22873-66-1.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 365.1°C at 760 mmHg
• Flash Point: 164.8°C
• Appearance: /
• Vapor Pressure: 3.38E-05mmHg at 25°C
• CAS DataBase Reference: tris-(1,10-phenanthroline)ruthenium(CAS DataBase Reference)
• NIST Chemistry Reference: tris-(1,10-phenanthroline)ruthenium(22873-66-1)
• EPA Substance Registry System: tris-(1,10-phenanthroline)ruthenium(22873-66-1)

Safety Data

• Hazardous Substances Data: 22873-66-1(Hazardous Substances Data)

Usage

InChI:InChI=1/3C12H8N2.Ru/c3*1-3-9-5-6-10-4-2-8-14-12(10)11(9)13-7-1;/h3*1-8H;/q;;;+2

Upstream product

• 66-71-7 1,10-Phenanthroline 
• 10049-08-8 ruthenium(III)chloride 
• 15878-95-2 tris(2,2'-bipyridyl)cobalt(II) 
• 41673-52-3 tris(1,10-phenanthroline)ruthenium(III)⁽³⁺⁾ 
• 59091-96-2 dichlorotetrakis(dimethylsulfoxide)ruthenium 
• 69141-04-4 trichloro(2,2'-bipyridine)ruthenium 

Downstream Products

• 63218-22-4 Co(1,3,6,8,10,13,16,19-octaazabicyclo[6.6.6]eicosane)⁽²⁺⁾ 
• 41673-52-3 tris(1,10-phenanthroline)ruthenium(III)⁽³⁺⁾ 
• 953507-12-5 [fac-(rhenium(I))Cl(CO)3(bathocuproinedisulfonate)]^(2-) 

Relevant articles and documents

Luminescent Ru(phen)n(bps)3-n2n-4 Complexes (n = 0-3) as Probes of Electrostatic and Hydrophobic Interactions with Micellar Media

The Ru(phen)n(bps)3-n2n-4 (n = 0-3) complexes (phen = 1,10-phenanthroline, bps = disulfonated 4,7-diphenyl-1,10-phenanthroline) were prepared to probe the hydrophobia and electrostatic interactions with cationic DTAB (n-dodecyltrimethylarnmonium bromide), anionic SDS (sodium dodecyl sulfate), and neutral C12E8 (n-dodecyl octaoxyethylene glycol monoether) surfactants. The measured emission maxima and lifetimes are consistent with the population of the Ru → phen MLCT (metal-to-ligand charge transfer) excited state in Ru(phen)32+ and the lower-lying Ru → bps MLCT excited state in Ru(phen)n(bps)3-n2n-4 (n = 0-2). Premicellar aggregates with oppositely charged surfactants lead to decreased overall emission intensity for all complexes. In particular, aggregates formed by Ru(bps)34- with DTAB exhibit a 22-fold decrease in emission intensity and marked changes in the electronic absorption spectrum, with a concomitant appearance of a shorter lifetime component. The photophysical characteristics of the premicellar adduct can be explained by changes in the relative energies of the emissive 3MLCT state and the 3ππ* state of the bps ligands, such that more effective deactivation of the 3MLCT through the 3ππ* state is possible. The results show that complexes possessing at least one bps ligand do not exhibit significant changes in their spectral properties upon addition of DTAB, C12E8, and SDS micelles, compared to those observed for Ru(phen)32+, interpreted as reduced interaction between bps-containing complexes and the micellized surfactants. The interactions (inferred from changes in spectral properties) between Ru(phen)32+ and the cationic DTAB system are greater than those of Ru(bps)2(phen)2- with the anionic SDS surfactant, although both complexes possess overall charge of equal magnitude. These observations can be explained in terms of the differences in the hydrophilicity of the complexes.

Dependence of spectroscopic, electrochemical, and excited-state properties of tris chelate ruthenium(II) complexes on ligand structure

Twelve tris chelate ruthenium(II) complexes, RuL32+, containing a series of structurally analogous diimine ligands (L) were prepared, and their spectroscopic, redox, and excited-state properties were studied in acetonitrile. Fairly good correlations between the reduction/oxidation potentials of RuL32+ and the reduction potential/pKa of L were obtained. Also, the metal-to-ligand charge-transfer (MLCT) absorption/emission energies were explicable in terms of the redox potentials of RuL32+. In contrast to the 2,2′-bipyridine (bpy) complex, three RuL32+ complexes, where L is 6-methyl-4-(2-pyridyl)pyrimidine, 6-phenyl-4-(2-pyridyl)pyrimidine, and 3,3′-bipyridazine, exhibited a small temperature dependence of the emission lifetime, indicating deactivation via thermal activation to the upper lying fourth MLCT excited state. RuL32+, where L is 2,2′-bipyrazine or 3,3′-bipyridazine, was superior to Ru(bpy)32+ in photosensitizing the photoreduction of methylviologen. Synthetic control of efficient photoredox sensitization is possible by modulating ligand properties: the π-accepting and σ-donating abilities of L.

Long Range Photoinduced Electron Transfer in a Rigid Polymer

Electron (hole) tunnelling reactions are studied in a rigid polymer medium by following the reductive quenching of a series of Ru(LL)3(2+)* homologues by a series of aromatic amines.Tunnelling distances up to 12 Angstroem (edge to edge) are observed.The e