Synthesis and crystal structure of hexakis(isothiocyanato)erbium(III) thiocyanate bis(18-crown-6)dipotassium bis[(18-crown-6)ethanolpotassium] |
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| Authors: | A N Chekhlov |
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| Institution: | (1) Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia |
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| Abstract: | A new complex compound, K2(18-crown-6)2K(18-crown-6)(EtOH)]2Er(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)]2Er(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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