One water to bind a chloride-chloride ion pair: isolation of discrete [Cl2(H2O)]2− in the solid state†
Owen J.
Curnow 
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Abstract
A discrete dichloride ion pair in the form of a monohydrate, [Cl2(H2O)]2−, was isolated using the triaminocyclopropenium cation [C3(NHex2)(N(CH2CF3)2)2]+. Although this ion pair is calculated to be unstable in the gas phase, the ionic lattice and weak CH–Cl hydrogen bonds assist the stabilization of the cluster. The D2O and HDO isotopomers were also prepared and characterized.
![Graphical abstract: One water to bind a chloride-chloride ion pair: isolation of discrete [Cl2(H2O)]2− in the solid state](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=D0DT02300K&imageInfo.ImageIdentifier.Year=2020)
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