SrTi(IO<sub>3</sub>)<sub>6</sub>·2H<sub>2</sub>O and SrSn(IO<sub>3</sub>)<sub>6</sub>: distinct arrangements of lone pair electrons leading to large birefringences
Kaitong Liu, Jian Han, Junben Huang, Zhonglei Wei, Zhihua Yang, Shilie Pan
Abstract
The distinct arrangements of [IO<sub>3</sub>]<sup>−</sup> trigonal pyramids lead to larger birefringences in SrTi(IO<sub>3</sub>)<sub>6</sub>·2H<sub>2</sub>O and SrSn(IO<sub>3</sub>)<sub>6</sub> than that in (H<sub>3</sub>O)<sub>2</sub>Ti(IO<sub>3</sub>)<sub>6</sub>.
Topics & Concepts
Lone pairOctahedronTrigonal crystal systemCrystallographyPyramid (geometry)ElectronHydrothermal circulationTrigonal pyramidal molecular geometryCrystal structureMaterials scienceChemistryPhysicsMoleculeGeologyOpticsOrganic chemistryQuantum mechanicsSeismologyCrystal Structures and PropertiesAdvanced Condensed Matter PhysicsInorganic Fluorides and Related Compounds