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Synthesis, structure, and properties of Li2Pb2CuB4O10 with isolated [CuB4O10] units |
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| Authors: | Hongyi Li Shilie Pan Hongping WuJared P. Smit Kenneth R. Poeppelmeier |
| Affiliation: | a Xinjiang Key Laboratory of Electronic Information Materials and Devices, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Road, Urumqi 830011, China b Graduate School of the Chinese Academy of Sciences, Beijing 100039, China c Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3133, United States |
| Abstract: | The copper borate Li2Pb2CuB4O10 has been synthesized in air by the standard solid-state reaction at temperature in the range 550-650 °C and the structure of Li2Pb2CuB4O10 was determined by single-crystal X-ray diffraction. Li2Pb2CuB4O10 crystallizes in the monoclinic space group C2/c (no. 15) with a = 16.8419(12), b = 4.7895(4), c = 13.8976(10) Å, and β = 125.3620(10)°, V = 914.22(12) Å3, and Z = 4, as determined by single-crystal X-ray diffraction. The Li2Pb2CuB4O10 structure exhibits isolated units of stoichiometry [CuB4O10]6− that are built from CuO4 distorted square planes and triangular BO3 groups. The IR spectroscopy and thermal analysis investigations of Li2Pb2CuB4O10 are also presented. |
| Keywords: | Oxide materials Solid state reactions Crystal structure X-ray diffraction |
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