Please use this identifier to cite or link to this item: https://doi.org/10.1039/b917189b
Title: Crystallographic analysis of different water-halide cluster blends in cationic [(SNS)Pd II] pincer complexes
Authors: Bai, S.-Q. 
Quek, G.Y.H. 
Koh, L.L. 
Andy Hor, T.S. 
Issue Date: 2010
Citation: Bai, S.-Q., Quek, G.Y.H., Koh, L.L., Andy Hor, T.S. (2010). Crystallographic analysis of different water-halide cluster blends in cationic [(SNS)Pd II] pincer complexes. CrystEngComm 12 (1) : 226-233. ScholarBank@NUS Repository. https://doi.org/10.1039/b917189b
Abstract: X-Ray single-crystal crystallographic analysis of a series of Pd(II) pincer complexes with tridentate ligands comprising a secondary amine sandwiched by two thioether donors of general formula [PdX(RSC 2H 4N(H)C 2H 4SR)]X′·nH 2O [X = X′ = Cl: R = Et, n = 1 (3); R = tBu, n = 1.5 (4), R = cychex, n = 2 (5); X = X′ = Br, R = iBu, n = 2 (6); X = Cl, X′ = NO 3, R = iBu, n = 0 (7)] has been carried out at ambient or low temperature. All the cationic complexes with coordinated and uncoordinated halides (Cl or Br) invariably show hydrate aggregation and interaction with the halides to give water-halide cluster blends in the solid lattices. Extensive H-bonding is evident within these water-blends and between these clusters and the cations, giving different forms of hydrates that are dependent on the sulfur substituent and the halide. Complex 3 contains a water-chloride intercalating zigzag chain; 4 shows a wave-like water trimer-chloride; 5 (at 100 K) reveals a water-chloride tape-like structure formed from four disorder water molecules each with half occupancy; 6 (at 100 K) displays a step-like polymer blend formed by aggregation of water tetramers with orthogonal H-bonding interaction with bromides. No lattice hydration is evident when nitrate is the anion (viz. 7). © The Royal Society of Chemistry.
Source Title: CrystEngComm
URI: http://scholarbank.nus.edu.sg/handle/10635/93503
ISSN: 14668033
DOI: 10.1039/b917189b
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