Similar luminescent behavior in an established rhenacarborane complex, [3,3-(CO)2-3-NO-closo-3,1,2-ReC2B9H11] and a new complex anion, [3,3,3-(CO)3-8-I-closo-3,1,2-ReC2B9H10] |
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| Authors: | Matthew J Fischer Justin H Orlando Nigam P Rath |
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| Institution: | a Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, MO 63103, USA
b Department of Chemistry and Biochemistry, University of Missouri—St. Louis, St. Louis, MO 63128, USA |
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| Abstract: | The compounds 3,3-(CO)2-3-NO-closo-3,1,2-ReC2B9H11] and NEt4]3,3,3-(CO)3-8-I-closo-3,1,2-ReC2B9H10] have been shown to be emissive in MeTHF at 77 K, with λmax in the blue region of the visible spectrum. Emission from 3,3,3-(CO)3-8-I-closo-3,1,2-ReC2B9H10]-, which has been structurally characterized, is phosphorescent with a single exponential decay lifetime, τ=1.65 ms. The complex 3,3-(CO)2-3-NO-closo-3,1,2-ReC2B9H11] also emits in the solid state at 298 K and has been shown by diffuse-reflectance UV-vis measurement to have a band gap of 2.66 eV. |
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| Keywords: | 36 40 &minus c 33 50 Dq 31 15 Ew |
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