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• W1891138093 abstract "A new series of octanuclear Ru(ii) complexes of tolylterpyridine appended calixresorcarenes [{Ru(ttpy)}8()](PF6)16 (), [{Ru(ttpy)}8()](PF6)16 (), and [{Ru(ttpy)}8()](PF6)16 () [ = 2,8,14,20-tetraethyl-4,6,10,12,16,18,22,24-octa(4'-p-benzyloxy-(2,2':6',2''-terpyridinyl))calix[4]resorcarene; = 2,8,14,20-tetraphenyl-4,6,10,12,16,18,22,24-octa(4'-p-benzyloxy-(2,2':6',2''-terpyridinyl))calix[4]resorcarene; and = 2,8,14,20-tetra-p-tolyl-4,6,10,12,16,18,22,24-octa(4'-p-benzyloxy-(2,2':6',2''-terpyridinyl))calix[4]resorcarene] have been synthesized and characterized. The tetraethyl-, tetraphenyl-, and tetra-p-tolylcalixresorcarenes (), (), and (), respectively, are characterized by single crystal X-ray diffraction: () a = 13.5771(4) Å, b = 7.9566(3) Å, c = 18.3912(6) Å, α = γ = 90°, β = 103.146(2)°, V = 1934.69(11) Å(3), Z = 2, monoclinic, P2/n; () a = 11.9710(8) Å, b = 12.7057(9) Å, c = 13.8570(9) Å, α = 94.731(2)°, β = 108.558(2)°, γ = 106.657(2)°, V = 1878.9(2) Å(3), Z = 1, triclinic, P1[combining macron]; and () a = 26.076(3) Å, b = 20.056(2) Å, c = 16.0193(19) Å, α = γ = 90°, β = 116.056(3)°, V = 7526.3(14) Å(3), Z = 4, monoclinic, C2/c, respectively. The octanuclear complexes are nonluminescent at 298 K, but exhibit (3)MLCT luminescence at 654, 649, and 646 nm, respectively, at 77 K in acetonitrile. In the solid state at 298 K they exhibit (3)MLCT luminescence at 658, 658, and 665 nm, respectively. The complexes exhibit a monoexponential decay profile in acetonitrile and in the solid state at 298 K. The redox active hosts containing eight [Ru(ttpy)2](2+) moieties undergo quasireversible one-electron oxidation at 1.25, 1.26, and 1.25 V versus Ag/Ag(+), respectively, in acetonitrile. The study demonstrates the versatility of the octanucleating calixresorcarene based ligands , , and in forming octanuclear Ru(ii) complexes." @default.
• W1891138093 created "2016-06-24" @default.
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• W1891138093 date "2015-01-01" @default.
• W1891138093 modified "2023-09-26" @default.
• W1891138093 title "Synthesis, luminescence, and electrochemical studies of a new series of octanuclear ruthenium(<scp>ii</scp>) complexes of tolylterpyridine appended calixresorcarenes" @default.
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• W1891138093 doi "https://doi.org/10.1039/c5dt02363g" @default.
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