Journal
INORGANIC CHEMISTRY
Volume 60, Issue 23, Pages 18283-18290Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.1c02904
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Funding
- NSFC [21831001, 91122028, 21571016]
- NSFC for Distinguished Young Scholars [20725101]
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Four inorganic-organic hybrid borates were synthesized under solvothermal conditions, with different organic linkers modifying the B6O9(OH) cluster layers. The replacement of organic ligands led to the formation of different types of oxoboron cluster organic frameworks. This study provides insights into the structure-property relationship of oxoboron cluster organic frameworks and their potential applications.
Four inorganic-organic hybrid borates, K[B6O9(OH)(en)]center dot H2O (1, en = ethylenediamine), K[B6O9(OH)(1,3-dap)]center dot H2O (2, 1,3-dap = 1,3-diaminopropane), K[B6O9(OH)(1,6-dah)(0.5)]center dot H2O (3, 1,6-dah = 1,6-diaminlhexane) and [(1,3-dap)Cd@B5O8(OH)]center dot 0.5H(2)O (4), were made under solvothermal conditions. 1 and 2 are isostructural and feature a 2D layer built by B6O9(OH) clusters and modified by en and 1,3-dap via B-N-C linkages. By replacing en and 1,3-dap with longer and more flexible 1,6-dah, a new type of oxoboron cluster organic framework 3 was obtained, which was composed of the same B6O9(OH) cluster layers as in 1 and 2 and 1,6-dah linkers. By replacing alkali metal K with transition metal Cd under similar synthetic conditions, another type of oxoboron cluster organic framework 4 was made in which the Cd-centered wheel cluster layers and 1,3-dap linkers were connected via Cd-N-C linkages.
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