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Issue 9, 2016
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Hydrogen bond-assisted crystallization: structure, growth and characterization of a new mixed-anion transition metal fluoride Na3NH4(TiF6)(SO4)·H2O

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Abstract

The first mixed-anion transition metal (TM) fluoride with a [MF6]x (M = TM cation) anion group, Na3NH4(TiF6)(SO4)·H2O (NTS), was synthesized by a facile hydrothermal method. The structure of NTS features hydrogen-bonded layers constructed by four kinds of building blocks, i.e., [NH4]+, [TiF6]2−, [SO4]2−, and H2O, and four categories of hydrogen bonds, i.e., N–H⋯O, N–H⋯F, O–H⋯O and O–H⋯F, and the layers are further connected by Na+ forming a three-dimensional framework. A transparent crystal with a size up to 5.0 × 2.5 × 1.0 mm3 has been grown just by controlling the hydrothermal conditions. The crystal morphology, electronic structure, and optical and thermal properties of NTS were analyzed.

Graphical abstract: Hydrogen bond-assisted crystallization: structure, growth and characterization of a new mixed-anion transition metal fluoride Na3NH4(TiF6)(SO4)·H2O

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Publication details

The article was received on 29 Apr 2016, accepted on 21 Jun 2016 and first published on 22 Jun 2016


Article type: Paper
DOI: 10.1039/C6NJ01358A
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New J. Chem., 2016,40, 7407-7413

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    Hydrogen bond-assisted crystallization: structure, growth and characterization of a new mixed-anion transition metal fluoride Na3NH4(TiF6)(SO4)·H2O

    D. Xu, F. Zhang, Y. Sun, Z. Yang, X. Dong and S. Pan, New J. Chem., 2016, 40, 7407
    DOI: 10.1039/C6NJ01358A

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