β-(C<sub>3</sub>H<sub>7</sub>N<sub>6</sub>)<sub>2</sub>Cl<sub>2</sub>·H<sub>2</sub>O and (C<sub>3</sub>H<sub>7</sub>N<sub>6</sub>)F·H<sub>2</sub>O: two UV birefringent crystals induced by uniformly aligned structural groups
Yaoguo Shen, Liang Ma, Guofa Dong, Hualiang Yu, Junhua Luo
Abstract
Two metal-free compounds exhibit giant birefringence with a perfect balance between the orientation and spatial density of π-conjugated planar [C 3 H 7 N 6 ] + groups.
Topics & Concepts
CrystallographyMaterials scienceMetalChemistryMetallurgyInorganic Fluorides and Related CompoundsCrystal structures of chemical compoundsCrystal Structures and Properties