配合物[Eu(4-MOBA)3(terpy)(H2O)]2的合成、表征、热分解机理及性质

引用本文: 霍建霞, 宋素伟, 靳成伟, 任宁, 耿丽娜, 张建军. 配合物[Eu(4-MOBA)₃(terpy)(H₂O)]₂的合成、表征、热分解机理及性质[J]. 物理化学学报, 2016, 32(4): 901-906. doi: 10.3866/PKU.WHXB201602173 shu

Citation: HUO Jian-Xia, SONG Su-Wei, JIN Cheng-Wei, REN Ning, GENG Li-Na, ZHANG Jian-Jun. Synthesis, Characterization, Thermal Decomposition Mechanism and Properties of the [Eu(4-MOBA)₃(terpy)(H₂O)]₂ Complex[J]. Acta Physico-Chimica Sinica, 2016, 32(4): 901-906. doi: 10.3866/PKU.WHXB201602173 shu

配合物[Eu(4-MOBA)₃(terpy)(H₂O)]₂的合成、表征、热分解机理及性质

霍建霞 ^1,2, ,
宋素伟 ^4, ,
靳成伟 ^1,2, ,
任宁 ^{3,
,} ,
耿丽娜 ^2, ,
张建军 ^{1,2,
,}

1.
1. 河北师范大学分析测试中心, 石家庄 050024;
2.
2. 河北师范大学化学与材料科学学院, 石家庄 050024;
3.
3. 邯郸学院化学化工与材料学院, 河北邯郸 056005;
4.
4. 中石油京唐液化天然气有限公司, 河北唐山 063210

通讯作者: 任宁, 张建军; 任宁, 张建军

基金项目:
国家自然科学基金(31201305, 21473049) (31201305, 21473049)

河北省自然科学基金(B2016205207)资助项目 (B2016205207)

摘要: 合成了一个新的配合物[Eu(4-MOBA)₃(terpy)(H₂O)]₂ (4-MOBA:4-甲氧基苯甲酸根,terpy:2,2':6',2"-三联吡啶)。采用傅里叶变换红外(FTIR)光谱、元素分析和X射线粉末衍射(XRD)技术对标题配合物进行了表征,用X射线单晶衍射仪测定了配合物的晶体结构,在配合物中每个Eu³⁺离子与一个三联吡啶分子、一个水分子和三个羧酸分子结合,配位数为9,羧酸基团的配位模式包含三种:双齿螯合,桥连双齿,单齿。根据热重-差示扫描量热/傅里叶变换红外(TG-DSC/FTIR)联用技术,研究了配合物的热分解机理。配合物的发射光谱显示出Eu³⁺离子的特征荧光发射,表明三联吡啶和4-甲氧基苯甲酸在该体系中可作为敏化集团。另外,文中还讨论了配合物对白色念珠菌和大肠杆菌的抑菌活性。

关键词:

English

Synthesis, Characterization, Thermal Decomposition Mechanism and Properties of the [Eu(4-MOBA)₃(terpy)(H₂O)]₂ Complex

1.
1. Testing and Analysis Center, Hebei Normal University, Shijiazhuang 050024, P. R. China;
2.
2. College of Chemistry&Material Science, Hebei Normal University, Shijiazhuang 050024, P. R. China;
3.
3. College of Chemical Engineering&Material, Handan University, Handan 056005, Hebei Province, P. R. China;
4.
4. Petro China Jingtang LNG Co., Ltd., Tangshan 063210, Hebei Province, P. R. China

Corresponding author: 任宁, 张建军; 任宁, 张建军

Received Date: 29 December 2015
Available Online: 17 February 2016
Fund Project:
国家自然科学基金(31201305, 21473049)

河北省自然科学基金(B2016205207)资助项目

Abstract: A new complex [Eu(4-MOBA)₃(terpy)(H₂O)]₂ (4-MOBA: 4-methoxybenzoate, terpy: 2,2' :6',2"-terpyridine) was synthesized. The complex was characterized using Fourier transform infrared (FTIR) spectroscopy, elemental analysis, and powder X-ray diffraction (XRD). The structure of the complex was determined using single-crystal XRD. In the complex, each Eu³⁺ ion is nine coordinated to one terpy molecule, one water molecule and three carboxylate groups. The carboxylate groups are bonded to the Eu³⁺ ion in three modes: bidentate, bridging bidentate, and monodentate. Based on thermogravimetry-differential scanning calorimetry/Fourier transform infrared (TG-DSC/FTIR) measurements, we determined the thermal decomposition mechanism. The emission spectra of the complex exhibited characteristic luminescence, suggesting that terpy and 4-methoxybenzoic acid can act as sensitizing chromophores in this system. Also, bacteriostatic activities for the complex to Candida albicans and Escherichia coli are discussed.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

配合物[Eu(4-MOBA)₃(terpy)(H₂O)]₂的合成、表征、热分解机理及性质

通讯作者: 任宁, 张建军; 任宁, 张建军

English

Synthesis, Characterization, Thermal Decomposition Mechanism and Properties of the [Eu(4-MOBA)₃(terpy)(H₂O)]₂ Complex

Corresponding author: 任宁, 张建军; 任宁, 张建军

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