Synthesis and crystal structure of a novel ternary oxoborate, PbBiBO4

✍ Scribed by Xuean Chen; Jianlong Zuo; Xinan Chang; Yinghua Zhao; Hegui Zang; Weiqiang Xiao

• Publisher: Elsevier Science
• Year: 2006
• Tongue: English
• Weight: 259 KB
• Volume: 179
• Category: Article
• ISSN: 0022-4596
• DOI: 10.1016/j.jssc.2006.06.008

✦ Synopsis

A novel ternary borate oxide, lead bismuth boron tetraoxide, PbBiBO 4 , has been prepared by solid-state reaction at temperature below 800 1C. The single-crystal X-ray structural analysis showed that PbBiBO 4 crystallizes in the monoclinic space group P2 1 /n with a ¼ 7:473ð1Þ Å, b ¼ 7:517ð1Þ Å, c ¼ 7:609ð1Þ Å, b ¼ 91:48ð1Þ, Z ¼ 4. It represents a new structure type in which distorted BiO 6 9À octahedra are connected to each other in corner-and edge-sharing manner to form two-dimensional 2 1 ½BiO 4 5À layers that are bridged by B atoms of BO 3 triangles giving rise to a three-dimensional 3 1 ½BiBO 4 2À framework, with channels parallel to the [0 1 0] direction accommodating the pyramidally coordinated Pb 2+ cations.