Novel configurational structures of sodium tetrakis(3-heptafluorobutylryl-(+)-camphorato) Ln(III) complexes with a trapped Na+ by Na+...FC interactions in the solid state and in solution |
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Authors: | Shirotani Dai Suzuki Takayoshi Kaizaki Sumio |
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Institution: | Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043. |
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Abstract: | For newly prepared sodium tetrakis(3-heptafluorobutylryl-(+)-camphorato) Ln(III) complexes, the X-ray crystal analysis revealed an unprecedented pseudo-achiral dodecahedron (DD-8 (D(2d))), whereas in CHCl3 solution, the exciton CD and 19F NMR spectra showed a novel chiral Delta-SAPR-8 (C4) configuration which is stereospecifically formed by a trapped Na+ ion with Na+...FC (fluorocarbon) interactions. |
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