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Updated: Jun 2, 2026

Protocol for the Synthesis of Ortho-trifluoromethoxylated Aniline Derivatives
Published on: January 19, 2016
fac-{2-[Bis(2-amino-eth-yl)amino]-ethanaminium}trichloridorhodium(III) chloride hemihydrate
Barbara Kutzky1, Christian Neis, Kaspar Hegetschweiler
1Fachrichtung Chemie, Universität des Saarlandes, Postfach 151150, D-66041 Saarbrücken, Germany.
Abstract:
The crystal structure of the title compound, [Rh(C(6)H(19)N(4))Cl(3)]Cl·0.5H(2)O, is isotypic with the previously reported Ru analogue. The structure contains two crystallographically independent [Rh(Htren)Cl(3)](+) cations with a facial tridentate coordination of the monoprotonated tren ligand [tren = tris-(2-amino-eth-yl)amine], leading to an overall distorted octahedral coordination environment around the Rh(III) atom. In one of the two cations, the ethyl-ene groups of the two chelate rings as well as the non-coordinating ethyl-ammonium group are disordered over two sets of sites [0.579 (3):0.421 (3) occupancy ratio]. A series of N-H⋯Cl and O-H⋯Cl hydrogen bonds stabilizes the structure.
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