TY - JOUR AU - Tom Ziegler AU - Kumar Vanka AU - Zhitao Xu TI - The influence of the counterion B(C6F5)3CH3– and solvent effects on the propagation and termination steps of ethylene polymerization catalyzed by Cp2ZrR+ (R = Me,Pr). A density functional study JO - Comptes Rendus. Chimie PY - 2005 SP - 1552 EP - 1565 VL - 8 IS - 9-10 PB - Elsevier DO - 10.1016/j.crci.2004.10.036 LA - en ID - CRCHIM_2005__8_9-10_1552_0 ER -