Abstract
A novel lithium dilead pentaborate compound, LiPb2B 5O10, is synthesized by the high temperature solution method for the first time. It crystallizes in the monoclinic space group P2 1/m with lattice constants a = 4.4023(10) Å, b = 14.037(3) Å, c = 6.8846(16) Å, β = 107.408(2) and Z = 2. The structure consists of B5O10 units, LiO4 and PbO 7 polyhedra. The B5O10 unit is composed of three BO3 triangles and two BO4 tetrahedra. The IR spectrum further confirms the presence of both BO3 and BO4 groups. The calculated band gap via ab initio methods is about 3.433 eV, which is consistent with the experimental result obtained from UV-vis-NIR diffuse reflectance spectrum.
| Original language | English |
|---|---|
| Pages (from-to) | 180-183 |
| Number of pages | 4 |
| Journal | Journal of Molecular Structure |
| Volume | 1040 |
| DOIs | |
| State | Published - 22 May 2013 |
| Externally published | Yes |
Keywords
- LiPbBO Borate Synthesis Crystal structure
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