Structure of the [5S,15S] isomer of the macrocyclic complex, [La(NCS)3(C24H30N6)] |
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| Authors: | Franco Benetollo Gabriella Bombieri Kristine M. Samaria Lidia M. Vallarino |
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| Affiliation: | (1) I.C. T.I.M.A., C.N.R., Corso Stati Uniti 4, 35127 Padova, Italy;(2) Istituto di Chimica Farmaceutica, Università di Milano, Viale Abruzzi 42, 20131 Milano, Italy;(3) Department of Chemistry, Virginia Commonwealth University, 23284 Richmond, Virginia |
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| Abstract: | The crystal and molecular structure of the [5S,15S] isomer of the [LaL(NCS)3] complex (L=C26H30N6) was determined by single crystal X-ray diffraction analysis. The compound crystallizes in the orthorhombic space group P212121 witha=13.647(4),b=19.504(4),c=11.606(4)Å. The 9-coordinate La(III) is bound to the N atoms of three monodentate isothiocyanates and to the six N atoms of the macrocycle ligand L, which has an 18-membered, six-nitrogen donor cavity and two peripheral –CH3 substituents. |
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| Keywords: | Lanthanum hexaazamacrocyclic complex structure |
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