作者:Daniel L. Reger、James R. Gardinier、Mark D. Smith
DOI:10.1021/ic0497174
日期:2004.6.28
steric crowding caused by (aryl)(2)C(pz)(2) ligands. In contrast, the complexes of the other two ligands, (Ag[(pz)(2)CHPh](2))(PF(6)).0.5CH(2)Cl(2) and (Ag[(pz)(2)CH(CH(2)Ph)](2))(PF(6)).CH(2)Cl(2), show normal tetrahedral geometry about the silver(I), also with no indication of silver(I)...pi arene interactions. All three new complexes have extended supramolecular structures supported by a combination
双(吡唑基)甲烷配体Ph(2)C(pz)(2),PhCH(pz)(2)和PhCH(2)CH(pz)(2)的银(I)配合物(pz =吡唑基环)的制备试图探索位阻聚(吡唑基)甲烷配体如何影响银(I)配合物表现出的可变配位几何形状,特别是其参与阳离子...π相互作用的能力。复数(Ag [(pz)(2)CPh(2)](2))(PF(6))。C(3)H(6)O采用不寻常的正方形平面配位环境,如四个N-Ag-N角度为360度。AgN(4)芯上方和下方的苯基基团的邻近性会强制围绕金属中心形成不寻常的配位几何形状。这种安排不是银(I)... pi芳烃相互作用的结果,而是(芳基)(2)C(pz)(2)配体引起的空间拥挤施加的约束。相反,其他两个配体的复合物((Ag [(pz)(2)CHPh](2))(PF(6))。0.5CH(2)Cl(2)和(Ag [(pz)( 2)CH(CH(2)Ph)](2))(PF(