Crystal structure and fluorescence spectrum of the complex [Eu(III)(TTA)<sub>3</sub>(phen)]

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書誌事項

公開日
1999-11
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/cjoc.19990170611
公開者
Wiley

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<jats:title>Abstract</jats:title><jats:p>The title complex Eu(III)(TTA)<jats:sub>3</jats:sub>(phen) (where TTA = thenoyltrifluoroacetone monoanion; phen = 1,10‐phenanthroline) has been synthesized in mixed solvents of acetone and ethanol (1:1 volume ratio) and its crystal structure has been determined by X‐ray diffraction. The complex crystals are triclinic, space group <jats:italic>P</jats:italic> 1 (# 2) with cell dimensions of <jats:italic>a</jats:italic> = 1.32.41 (2) nm, <jats:italic>b =</jats:italic> 1.5278(4) nm, <jats:italic>c</jats:italic> = 0.9755(3) nm, <jats:italic>α =</jats:italic> 92.49 (2)°, <jats:italic>β</jats:italic> = 102.57(2)°, γ = 91.62(2)°, <jats:italic>V</jats:italic> = 1.9268(8) nm<jats:sup>3</jats:sup>, <jats:italic>Z</jats:italic> = 2, μ (Mo <jats:italic>Ka</jats:italic>)= 18.77 cm<jats:sup>−1</jats:sup>, <jats:italic>D<jats:sub>x</jats:sub>=</jats:italic>1.720 g/cm<jats:sup>3</jats:sup>. The coordination geometry of Eu atom is a distorted square antiprism, and the encapsulated structure that can meet the structural requirement of the typical europium luminescent sensor. The fluorescence spectrum suggests that the complex is a strong photoluminescent material.</jats:p>

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