Abstract
A new complex compound, [K2(18-crown-6)2[K(18-crown-6)(EtOH)]2[Er(NCS)6](SCN) (I), was synthesized and its crystal structure was studied by X-ray diffraction. In this work, the synthes and X-ray difraction stady of the crystals of a new complex, hexakis (isothiocyanato) erbiu(III) thiocyanate bis(18-crown-6) dipotassium bis(18-crown-6) ethanolpotassium], [K2(18-crown-6)2][K(18-crown-6)(ETON)]2[Er(NCS)6(SCN)(I)] are described. In crystal I, the alternating [Er(NCS)6]3− anions and binuclear complex cation [K(18-crown-6)2]2+ from infinite chains via the F-S bonds, while two complex cations [K(18-crown-6)(ETON)]+ and the statistically disordered SCN− anion between them are linked by the hydragen bonds O-H…S and O-H…N. Complex I contains the host-guest complex cations [K2(18-crown-6)2)]2+ and [K(18-crown-6)(ETON)]+ [1]. The alternating octabedral [Er(NCS)6]3− anions and binuclear complex cations [K2(18-crown-6)2]2+of crystal I form infinite chains via the K-S bonds, while two complex cations [K(18-crown-6)(EtOH)]+ and the statistically disordered SCN− anion lying between them are linked by interionic hydrogen bonds O-H…S and O-H…N. Complex I contains the host-guest complex cations [K2(18-crown-6)2]2+ and [K(18-crown-6)(EtOH)]+ [1].
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