PT Journal AU Kneusels, NH Münzer, JE Flosdorf, K Jiang, D Neumüller, B Zhao, L Eichhöfer, A Frenking, G Kuzu, I TI Double donation in trigonal planar iron–carbodiphosphorane complexes – a concise study on their spectroscopic and electronic properties SO Dalton transactions PY 2020 BP 2537 EP 2546 VL 49 IS 8 DI 10.1039/c9dt04725e LA english ER