SEARCH Articles Figures Tables B Species Containing Four-Coordinate Boron Boron Halide-Amine Coordination Compounds Boron atoms, coordination Boron coordination chemistry Boron coordination number Boron halides, coordination compounds with amines Boron trifluoride coordination energy Boronate assemblies coordination-based macrocyclic Boronic coordination with Lewis bases Heterocycles Containing Four-Coordinate Annular Boron Oligomers with Four-Coordinate Annular Boron and Nitrogen Other borates containing tetrahedrally coordinated boron Pentavalent coordination at boron Reactions of boron and aluminum hydrides with other coordinated ligands