A Polymorphic Platinum(II) Complex: Yellow, Red, and Green Polymorphs and X‐ray Crystallography of [Pt(fdpb)Cl] [Hfdpb = 1,3‐Bis(5‐trifluoromethyl‐2‐pyridyl)benzene]
作者:Yuta Nishiuchi、Asuka Takayama、Takayoshi Suzuki、Kazuteru Shinozaki
DOI:10.1002/ejic.201001359
日期:2011.4
We investigated polymorphism in [Pt(fdpb)Cl] [Hfdpb = 1,3-bis(5-trifluoromethyl-2-pyridyl)benzene]. The following polymorphs of the complex were crystallized: yellow [Form Y; orthorhombic, Pca21, a = 23.4336(14) A, b = 4.6377(2) A, c = 15.7845(9) A, Z = 4], red [Form R; monoclinic, C2/c, a = 21.3619(12) A, b = 13.5629(7) A, c = 13.6974(6) A, β = 122.301(2)°, Z = 8], and dark green [Form G; monoclinic
我们研究了 [Pt(fdpb)Cl] [Hfdpb = 1,3-双(5-三氟甲基-2-吡啶基)苯] 的多态性。复合物的以下多晶型物被结晶出来:黄色[Y型;斜方晶系,Pca21,a = 23.4336(14) A,b = 4.6377(2) A,c = 15.7845(9) A,Z = 4],红色 [R 型;单斜晶系,C2/c,a = 21.3619(12) A,b = 13.5629(7) A,c = 13.6974(6) A,β = 122.301(2)°,Z = 8],深绿色 [G 型;单斜晶系,P21/a,a = 6.7953(4) A,b = 18.2519(12) A,c = 13.5199(8) A,β = 96.039(2)°,Z = 4]。Y型的黄色是由于堆积对Pt分子的π,π*吸收的影响;由于紧密堆积的二聚体中的 Pt-Pt 相互作用,R 型的红色源于 MMLCT 吸收;G