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Luminescence behavior of the pyridine—BCl3 complex

✍ Scribed by R. Snyder; A.C. Testa

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
388 KB
Volume
40
Category
Article
ISSN
1010-6030

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✦ Synopsis

A phosphorescence and CNDO study of the 1 :1 electron donoracceptor complex formed between pyridine and boron trichloride has been shown to account satisfactorily for the electronic states and induced luminescence of pyridine resulting from complexation. The phosphorescence yield and formation constant of the complex in ethyl alcohol were determined to be 0.38 + 0.04 and 1.3 X lo4 M-' respectively. CNDO calculations show that the lowest n,n* levels are shifted to significantly higher energies, thereby removing efficient radiationless decay routes available with these states.

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✍ Vivian Wing-Wah Yam; Bin Li; Yu Yang; Ben Wai-Kin Chu; Keith Man-Chung Wong; Kun 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 177 KB

## Abstract Several bipyridylrhenium(I) surfactant complexes, __fac__‐[Re(CO)~3~(bpy)(L)]PF~6~ [bpy = 2,2′‐bipyridine, L = __trans__‐4‐dodecyloxy‐4′‐stilbazole (**L1**), __trans__‐4‐octadecyloxy‐4′‐stilbazole (**L2**), 4‐(4′‐dodecyloxyphenylethynyl)pyridine (**L3**)] were synthesized and characteri