From simple to complex: topological evolution and luminescence variation in a copper(I) pyridylpyrazolate system tuned via second ligating spacers.
作者： Shun-Ze Zhan , Mian Li , Xiao-Ping Zhou , Jia Ni , Xiao-Chun Huang
DOI: 10.1021/IC200854S
关键词:
摘要: By systematically varying the geometric length and electronic properties of second ligating ligands halogen (Cl–, Br–, I–) pseudohalogen (CN–, SCN–, N3–) anions, we synthesized 11 isomeric/isostructural copper(I) complexes: [Cu2(L3-3)I]n (1), [Cu2(L4-4)Br]n (2-Br), [Cu2(L4-4)Cl]n (2-Cl), [Cu2(L3-4)(CN)]n (3), [Cu2(L3-3)(CN)]n (4), [Cu3(L4-4)(CN)2]n (5), {[Cu2(L4-4)Br]2·CuBr}n (6-Br), {[Cu2(L4-4)Cl]2·CuCl}n (6-Cl), [Cu2(L4-4)(SCN)]n (7α-SCN), (7β-SCN), [Cu2(L4-4)(N3)]n (7α-N3). These structures are based on a series isomeric pyridylpyrazole ligands, namely, 3,5-bis(3-pyridyl)-1H-pyrazole (HL3-3), 3-(3-pyridyl)-5-(4-pyridyl)-1H-pyrazole (HL3-4), 3,5-bis(4-pyridyl)-1H-pyrazole (HL4-4), their structural features range from 1-D 2-D (2), 3-D noninterpenetration to 2-fold interpenetration (4 5), self-catenation (6 7), exhibiting trend simple complex with dimension expansion an interpenetrating degree increase. The ...
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