1.云南民族大学化学与环境学院,云南 昆明 650504
2.昆明医科大学药学院 / 云南省天然药物药理重点实验室,云南 昆明 650500
3.昆明医科大学现代生物医药产业学院,云南 昆明 650500
王凯民(1984年生),男;研究方向:功能配位聚合物;E-mail:041684@ymu.edu.cn
马钰璐(1989年生),女;研究方向:功能配位聚合物;E-mail:mayulu@kmmu.edu.cn
纸质出版日期:2024-05-25,
网络出版日期:2024-01-29,
收稿日期:2023-12-01,
录用日期:2024-01-11
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王凯民,顾雄,杨冲福等.混合配体构筑的Cd(Ⅱ)配合物的合成及其荧光性质[J].中山大学学报(自然科学版)(中英文),2024,63(03):113-118.
WANG Kaimin,GU Xiong,YANG Chongfu,et al.Synthesis and fluorescence properties of Cd (Ⅱ) complexes constructed with mixed ligands[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(03):113-118.
王凯民,顾雄,杨冲福等.混合配体构筑的Cd(Ⅱ)配合物的合成及其荧光性质[J].中山大学学报(自然科学版)(中英文),2024,63(03):113-118. DOI: 10.13471/j.cnki.acta.snus.ZR20230027.
WANG Kaimin,GU Xiong,YANG Chongfu,et al.Synthesis and fluorescence properties of Cd (Ⅱ) complexes constructed with mixed ligands[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(03):113-118. DOI: 10.13471/j.cnki.acta.snus.ZR20230027.
采用含N刚性配体4,4'-联吡啶(bpy)与两性离子配体4-羧基-1-(3-羧基苄基)吡啶-1-
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3.175
3.04984736
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2.97499990
氯化物(H
2
LCl)混合的模式,利用液相扩散法,在室温下与Cd
2+
自组装构筑了一例结构新颖的配合物{[Cd
2.5
(L)
2
(bpy)
2
Cl(NO
3
)(H
2
O)
3
]·(NO
3
)·2H
2
O}。通过单晶X衍射、Hirshfeld表面与二维指纹图、粉末X射线衍射、热重及固体荧光对配合物的结构及性质进行了分析。研究表明,该配合物为[Cd(bpy)
2
]对称棒状单元与两条平行环链结构组成的一维梯子形链。借助丰富的分子间相互作用(π···π堆积、O—H···O及C—H···O氢键)配合物的梯子形链平行互穿,相互堆积,最终形成稳定的三维超分子结构。此外,由于d
10
金属离子的存在,配合物在425~466 nm波长范围内显示出与配体H
2
LCl相似但强度增强的浅绿色荧光,CIE色坐标为(0.287 0, 0.334 6)。
A novel coordination polymer {[Cd
2.5
(L)
2
(bpy)
2
Cl(NO
3
)(H
2
O)
3
]·(NO
3
)·2H
2
O} was constructed by self-assembly at room temperature using a mixture of N containing rigid ligand 4,4'- bipyridine (bpy), zwitterionic ligand 4-carboxyl-1- (3-carboxybenzyl) pyridin-1-onium chloride (H
2
LCl) and Cd
2+
using liquid phase diffusion method. The structures and properties of the coordination polymer were analyzed by single crystal X-ray diffraction, Hirshfeld surface and two-dimensional fingerprint, powder X-ray diffraction, thermogravimetry, and solid fluorescence. The results showed that the coordination polymer is a one-dimensional ladder shaped chain composed of [Cd(bpy)
2
] symmetric rod-shaped unit and two parallel ring chain structures. By abundant intermolecular interactions (π···π stacking interactions, O—H···O, and C—H···O hydrogen bonding), the ladder shaped chains penetrate parallel and stack with each other, ultimately forming a stable three-dimensional supramolecular structure. In addition, due to the presence of d
10
metal ions, the coordination polymer exhibits a similar but enhanced light green fluorescence to the ligand H
2
LCl in the wavelength range of 425-466 nm, with CIE coordinates is (0.287 0, 0.334 6).
配合物晶体结构液相扩散分子间相互作用固体荧光
coordination polymercrystal structureliquid phase diffusion methodintermolecular interactionssolid state fluorescence
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王凯民, 李立凤, 石明凤, 等, 2022. 基于两性离子配体构筑的Eu(Ⅲ)配位聚合物的晶体结构和对呋喃西林的检测[J]. 无机化学学报, 38(9): 1843-1852.
王凯民,赵雄,白旭玲, 等, 2023. 基于镉(Ⅱ)配位聚合物对呋喃妥因的荧光传感性能[J]. 无机化学学报, 39(8): 1587-1596.
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MA Y L, WANG S Y, GUO J R, et al. 2023. Sensitive fluorescent detection of phosmet and chlortetracycline in animal-derived food samples based on a water-stable Cd(Ⅱ) chain-based zwitterionic metal-organic framework[J]. Anal Chim Acta, 1280: 341850.
KUSUMOTO S, ATOINI Y, MASUDA S, et al, 2023. Woven, polycatenated, or cage structures: Effect of modulation of ligand curvature in heteroleptic uranyl ion complexes[J]. Inorg Chem, 62(20): 7803-7813.
WANG K M, DU L, MA Y L, et al, 2016. A dual-functional cadmium(II) coordination polymer as a luminescent sensor for selective sensing of iron(Ⅲ) ions and detecting the temperature[J]. Transition Met Chem, 41(5): 573-580.
ZHOU J E, XU Z H, LI Y L, et al,2023. Oxygen-deficient metal-organic framework derivatives for advanced energy storage: Multiscale design, application, and future development[J]. Coord Chem Rev, 494: 215348.
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