Cai Hua-Tang, Liu Qian-Ting, Ye Hui-Qing, Su Li-Jie, Zheng Xiao-Xu, Li Jin-Ni, Ou Shu-Hua, Zhou Jia-Rong, Yang Le-Min, Ni Chun-Lin
Department of Applied Chemistry, Institute of Biomaterial, College of Materials and Energy, South China Agricultural University, 510642 Guangzhou, PR China.
Department of Applied Chemistry, Institute of Biomaterial, College of Materials and Energy, South China Agricultural University, 510642 Guangzhou, PR China.
Spectrochim Acta A Mol Biomol Spectrosc. 2015 May 5;142:239-45. doi: 10.1016/j.saa.2015.01.098. Epub 2015 Feb 9.
The reaction of CoCl2 with the naphthalene methylated triphenylphosphinium bromide [n-NAPMeTPP]Br (n=1, 2) and KSCN, in a methanolic medium at ambient temperature, leads to the self-assembly formation of hybrid 2:1 organic-inorganic molecular solids, [1-NAPMeTPP]2Co(NCS)4 and [2-NAPMeTPP]2Co(NCS)4 (NAPMeTPP=(naphthylmethylene)(triphenyl)phosphinium), which have been characterized by elemental analyses, IR spectroscopy, UV-Vis spectra, ESI-MS, molar conductivity and single-crystal X-ray diffraction structural analyses. Compound 1 crystallizes in the orthorhombic space group Pna21, while 2 does in the monoclinic space group C2/c. The cations form a dimer through the weak intermolecular C-H⋯π interactions in 1 and π⋯π interaction in 2, while the anion and cation are linked by the C-H⋯S hydrogen bond in 1. Two molecular solids show dual functionalities: (1) the broad fluorescence emission around 400nm in the solid state at room temperature; (2) the weak antiferromagnetic coupling behavior.
在室温下的甲醇介质中，氯化钴（CoCl₂）与萘甲基化三苯基溴化膦[n-NAPMeTPP]Br（n = 1, 2）及硫氰酸钾（KSCN）反应，导致形成混合的2:1有机 - 无机分子固体[1-NAPMeTPP]₂Co(NCS)₄和[2-NAPMeTPP]₂Co(NCS)₄（NAPMeTPP =（萘基亚甲基）（三苯基）膦鎓），这些固体通过元素分析、红外光谱、紫外 - 可见光谱、电喷雾质谱、摩尔电导率和单晶X射线衍射结构分析进行了表征。化合物1结晶于正交晶系空间群Pna2₁，而化合物2结晶于单斜晶系空间群C2/c。阳离子在1中通过弱分子间C - H⋯π相互作用形成二聚体，在2中通过π⋯π相互作用形成二聚体，而在1中阴离子和阳离子通过C - H⋯S氢键相连。两种分子固体具有双重功能：（1）在室温固态下于400nm左右有宽荧光发射；（2）表现出弱反铁磁耦合行为。
