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Insights of BO3–PO4 replacement for the design and synthesis of a new borate–phosphate with unique 1[Zn4BO11] chains and two new phosphates

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Abstract

One new metal borate–phosphate, CsZn4(BO3)(PO4)2, and two new metal phosphates, CsZn4(PO4)3 and RbZn4(PO4)3, have successfully been synthesized by spontaneous crystallization with molten fluxes, and their structures were determined by single-crystal X-ray diffraction. These compounds exhibited three-dimensional frameworks; stacking of unique 1[Zn4BO11] mirror-image chains and isolated PO4 tetrahedra for CsZn4(BO3)(PO4)2, and 1[Zn4PO12] chains and isolated PO4 tetrahedra for CsZn4(PO4)3 and RbZn4(PO4)3. Interestingly, 1[Zn4BO11] is the first example in which the B atoms locate on the mirror axis of the image-symmetrical 1[Zn4O11] chains. Structure comparisons show that the substitution of BO3–PO4 is a feasible strategy for preparing new compounds, and the M/(B + P) ratio of compounds is a factor affecting the existence form of the anionic groups. Infrared spectra, thermal analysis, UV-vis-NIR diffuse reflectance spectroscopy, and first-principles calculations of the above three compounds are reported in this work.

Graphical abstract: Insights of BO3–PO4 replacement for the design and synthesis of a new borate–phosphate with unique 1∞[Zn4BO11] chains and two new phosphates

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Publication details

The article was received on 06 Sep 2017, accepted on 21 Nov 2017 and first published on 27 Nov 2017


Article type: Research Article
DOI: 10.1039/C7QI00548B
Citation: Inorg. Chem. Front., 2018, Advance Article
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    Insights of BO3–PO4 replacement for the design and synthesis of a new borate–phosphate with unique 1[Zn4BO11] chains and two new phosphates

    F. Guo, C. Hu, Y. Wang, J. Han, Z. Yang and S. Pan, Inorg. Chem. Front., 2018, Advance Article , DOI: 10.1039/C7QI00548B

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