SEARCH Articles Figures Tables Cationic species characterizing tetrahedrally coordinated Copper distorted tetrahedral species Hybridization a scheme for tetrahedral and related species Pentahedral and Tetrahedral Aluminium Fluoride Species Tetrahedral electronic geometry AB2U2 species Tetrahedral electronic geometry AB3U species Tetrahedral electronic geometry AB4 species Tetrahedral electronic geometry ABU3 species Tetrahedral surface vanadium oxide species