Structure of Tl(18-crown-6){Cl 3 CC(O)N P(O)(OCH 3 ) 2 }: Coordination of the Ionic Multidentate Weakens the Interaction of the Metal Atom with the Crown Ether - Victor A. Trush; Konstantin V. Domasevitch; Vladimir M. Amirkhanov; Joachim Sieler (Zeitschrift für Naturforschung B, 1999)