values of 22 D for dppz-PhNPh2 and 20 D for dppz-PhNMe2. The rhenium(I) complexes are less emissive, and it is possible to measure resonance Raman spectra. These data show relative band intensities that are virtually unchanged from λexc = 351 to 532 nm, consistent with a single dominant transition in the visible region. Resonance Raman excitation profiles are solvent sensitive; these data are modeled
供体-受体
配体11-(4-二
苯基
氨基
苯基)双
吡啶[3,2- a:2',3'- c ]
吩嗪(dppz-PhNPh 2)和11-(4-二
甲基氨基
苯基)双
吡啶[3,2- a报道了:2',3'- c ]
吩嗪(dppz-PhNMe 2)及其their配合物[Re(CO)3 X](X = Cl – py,4-二
甲基氨基吡啶(dmap))。获得了两个
配体的晶体结构。
配体和配合物的光学性质由intraligand电荷转移(ILCT)转变从胺到dppz部分与λ为主
ABS = 463纳米(ε= 13100μM的-1厘米-1),用于dppz-PhNMe 2并用λ
ABS = 457nm处(ε= 16 900米-1厘米-1),用于dppz-PhNPh 2。
CAM-B3LYP TD-DFT计算支持该分配。这些
配体在有机溶剂中强烈发射,并且与ILCT特性一致,显示出很强的溶剂化行为。数据的利珀特-又贺曲线是线性的,并产生为dppz-PhNPh