Electronic circular dichroism in the 4f-4f transitions of a series of cesium tetrakis (+)-3-heptafluorobutyrylcamphorate Ln(iii) complexesElectronic supplementary information (ESI) available: Table S1: The elementary analyses of Cs[LnIII((+)-hfbc)4]H2O; Table S2: The 4f-4f UV-vis-NRI-IR, CD and dissymmetry factors of -Cs-Ln complexes; Fig. S1: The IR CD of Cs-Sm complexes; a. -Cs-Sm((+)-hfbc), b. -Cs-Sm (()-hfbc) complexes. See DOI: 10.1039/c2dt30951c

For electronic circular dichroism in the 4f-4f transitions (4f-4f CD) of a series of nine tetrakis ((+)-3-heptafluorobutyrylcamphorato) Ln III complexes, -SAPR-8-C 4 ( llll ) Cs[Ln((+)-hfbc) 4 ]·H 2 O (Cs-Ln = Cs-Pr, -Nd, -Sm, -Eu, -Dy, -Ho, -Er, -Tm, -Yb), the spectroscopic observables such as the dissymmetry factor g = / values with the intensities ( ) of the CD components and the molar absorption intensities ( ) in the 4f-4f transitions between the 2 S +1 L J levels are compared with each other to test the classification of the CD components in the relative order of the observables predicted in terms of the selection rule for 4f-4f transitions. The 4f-4f CD-based chiroptical spectra-structural relationship across the series of -SAPR-8-C 4 ( llll ) lanthanide( iii ) complexes is proposed: the signs of the 4f-4f CD or CPL in the hypersensitive transitions are related to the absolute configuration; Ln complexes with a negative CD component have the -configuration around Ln III and vice versa . The 4f-4f CD of a series of nine -SAPR-8-C 4 -Cs[Ln((+)-hfbc) 4 ]·H 2 O are reported in relation with the selection rules and the absolute configuration.