Bite-Angle-Regulated Coordination Geometries: Tetrahedral and Trigonal Bipyramidal in Ni (II) with Biphenyl-Appended (2-Pyridyl) alkylamine N, N’-Bidentate Lig… D Sasi, V Ramkumar, NN Murthy ACS Omega 2 (6), 2474-2481.