The relationships between 13 C NMR chemical shifts of aromatic carbons and the inter-ring torsion angles (Γ) of two phenyl rings in biphenyl and its substituted derivatives were systematically examined. The chemical shifts of C1, C2 and C6 carbons (Ο C1 , Ο C2 and Ο C6 ) of the biphenyl group in the
β¦ LIBER β¦
The Eu3+ luminescence as a measure for chemical bond differences in solids
β Scribed by G. Blasse
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 172 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
The well-known use of the emission of the Eu3+ ion as a probe for its siIe symmetry can be estended in suitabk cases to give information on differences between chemical bonds in the neighbourhood of the Eu3+ ion.
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