组装两种发光的 4,4'-磷酸二苯甲酸镉（II）配位聚合物

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Bulletin of the Chemical Society of Ethiopia Pub Date : 2023-11-29 DOI:10.4314/bcse.v38i1.7

Zi-Hang Zou, Ning Tan, Emmanuel N. Nfor, Zhao-Xi Wang

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引用次数: 0

摘要

两种新的镉(II)配位聚合物[Cd(HL)(H2O)]-1.5H2O (1)和[Cd(HL)(4-bpmp)0.5]-2H2O（2）（H3L = 4,4'-膦酰基二苯甲酸，4-bpmp = N,N'-双(4-吡啶基甲基)哌嗪）是由 CdCl2 与 4,4'-膦酰基二苯甲酸和 N,N'-双(4-吡啶基甲基)哌嗪通过溶热/水热法自组装合成的。通过 X 射线单晶衍射、红外光谱仪、粉末 X 射线衍射和热重分析技术确认了它们的结构。这两种化合物都属于 Pī 空间群，分别由双核 [Cd2(POO)2] 或桨轮 [Cd2(COO)2(POO)2]单元构建成二维网络。在 2 中，Cd2+ 是五配位的，并呈现出罕见的四方金字塔几何形状。室温下，这些化合物分别在 381 nm 和 509 nm 处发出中等强度的蓝色和绿色荧光。关键词：镉（II）化合物；光致发光；羧基膦酸配体 Bull.Chem.Soc.2024, 38(1), 85-98.DOI: https://dx.doi.org/10.4314/bcse.v38i1.7

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Assembly of two luminescent cadmium(II) 4,4'-phosphini Co-dibenzoate coordination polymers

Two new cadmium(II) coordination polymers [Cd(HL)(H2O)]·1.5H2O (1) and [Cd(HL)(4-bpmp)0.5]·2H2O (2) (H3L = 4,4'-phosphinicobis-dibenzoic acid, and 4-bpmp = N,N'-bis(4-pyridylmethyl)piperazine) have been synthesized by self-assembly of CdCl2 with 4,4'-phosphinicobis-dibenzoate, and N,N'-bis(4-pyridylmethyl)piperazine through solvothermal/hydrothermal method. Their structures were confirmed by X-ray single crystal diffraction, infrared spectrometer (IR), and powder X-ray diffraction (PXRD) and TGA techniques. Both compounds are in Pī space group and exhibited a 2D networks constructed from dinuclear [Cd2(POO)2] or paddle-wheel [Cd2(COO)2(POO)2] units, respectively. In 2, the Cd2+ is five-coordinated and shows a rare tetragonal pyramidal geometry. At room temperature, the compounds exhibit moderately intense blue and green fluorescence emission with peaks at 381 nm and 509 nm, respectively. KEY WORDS: Cadmium(II) compounds, Photoluminescence, Carboxyphosphinate ligand Bull. Chem. Soc. Ethiop. 2024, 38(1), 85-98. DOI: https://dx.doi.org/10.4314/bcse.v38i1.7

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来源期刊

Bulletin of the Chemical Society of Ethiopia 化学-化学综合

CiteScore

2.20

自引率

8.30%

发文量

113

审稿时长

6-12 weeks

期刊介绍： The Bulletin of the Chemical Society of Ethiopia (BCSE) is a triannual publication of the Chemical Society of Ethiopia. The BCSE is an open access and peer reviewed journal. The BCSE invites contributions in any field of basic and applied chemistry.