Two lead borate-nitrates with anion-centered [OPb4] tetrahedra and two types of π-conjugated planar units showing large birefringence.
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DOI: 10.1039/d2dt00183g
Abstract: Two lead borate-nitrates Pb6O4(BO3)(NO3) and Pb6O2(BO3)2(NO3)F were obtained by the high-temperature flux method. Interestingly, their crystal structure consists of anion-centered [OPb4] tetrahedra and π-conjugated BO3 and NO3 units. The first principles calculations indicate that both… read more here.
Keywords: lead borate; borate nitrates; opb4 tetrahedra; centered opb4 ... See more keywords