Coordination Networks Based on Nitrile‐Functionalized Borate Anions

Abstract

AbstractSalts of cyano borates bear potential of forming coordination polymers with solvent‐filled voids as a source for porous materials. Herein we describe the synthesis and properties of novel cyano borates Na[H–B(O–C12H8–CN)3], Na[B(O–C12H8–CN)4] (C12H8 = biphenyl) and Na[B{O–C6H3–(CN)2}4], as well as a new modification of Na[B(O–C6H4–CN)4]. Crystal structures of the sodium borates and the starting materials HO–C6H3–(CN)2 and HO–C12H8–CN (new modification) are discussed as well. Data of nitrogen sorption experiments revealed a notable surface area in solvent‐free Na[H–B(O–C12H8–CN)3].