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Rare Metals 2007年第3期26卷 292-298页

作者： ZHANG Jianjun REN Ning CHAI Xingquan WANG Yanxun Experimental Center Hebei Normal University Shijiazhuang 050016 China College of Chemistry ＆ Matedal Science Hebei Normal University Shijiazhuang 050016 China Depamnent of Chemistry Handan College Handan 056005 China Hebei Institute of Architectural and Civil Engineering Zhangjiakou 075024 China

The complex of [Sm（p-MOBA）3phen]2 （p-MOBA, p-methoxybenzoate; phen,1 10-phenanthroline） was prepared and characterized by elemental analysis, IR, and UV spectroscopy. The thermal decomposition of the [Sm（p-MOBA）sphen]2 complex and its kinetics were studied under a static air atmosphere by TG-DTG methods. The intermediate and residue for each decomposition stage were identified from the TG curve. The kinetic parameters and mecha- nisms of the first decomposition stage were obtained from the analysis of the TG-DTG curves by a new method of processing the data of thermal analysis kinetics. The lifetime equation at a mass loss of 10% was deduced as lnr= - 30.6795 ＋ 21034.56/Tby isothermal thermogravimelric analysis.

关键词： inorganic chemistry p-methoxybenzoic acid 1,10-phenanthroline samarium complex thermal decomposition non-isothermal kinetics TG-DTG

Synthesis and Crystal Structure of a New Ternary Complex of Nickel(II) with L-Aspartic Acid and 1,10-phenanthroline

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Chinese Journal of Structural Chemistry 2004年第12期23卷 1376-1382页

作者：马录芳梁福沛覃海错胡瑞祥张漫波 School of Chemistry and Chemical Engineering Guangxi Nornal University Guilin 541004 ChinaDepartment of Chemistry Luoyang Teracher's College Luoyang 471022 China School of Chemistry and Chemical Engineering Guangxi Nornal University Guilin 541004 China

A new ternary complex of nickel(II) with L-aspartate (L-Asp) and 1, 10-phenan- throline(Phen), [Ni3(L-Asp)(Phen)5(H2O)3](ClO4)4?4.75H2O, has been synthesized in a mixed sol- vent of H2OC2H5OH at the pH value of 3. It crystallizes in triclinic, space group P1 with a = 11.861(2), b = 18.384(4), c = 19.746(3) ?, α = 107.68(1), β = 105.94(1), γ = 103.41(2)°, V = 3703.6(11) ?3, Mr = 1745.66, Z = 2, Dc =1.565 g/cm3, μ = 0.989 mm-1, F(000) = 1791, R = 0.0643 and wR = 0.1611. The complex contains two cations, binuclear [Ni2(L-Asp)(Phen)3(H2O)]2+ and mononu- clear [Ni(Phen)2(H2O)2]2+. All the nickel ions in the complex are six-coordinated with a distorted octahedral geometry, but the coordination environments for them are different. There exist hydrogen bonds and π-π stacking interactions in the complex.

关键词： L-aspartic acid 1,10-phenanthroline nickel(II) complex crystal structure

Morphology of NaNdF_4 nanocrystals from Nd(C_3H_7COO)_3·Phen and Nd(NO_3)_3·Phen (Phen,1,10-phenanthroline) as neodymium precursors

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Journal of Rare Earths 2011年第1期29卷 20-23页

作者：崔凯高潮崔晓霞舍江波彭波韦玮 State Key Laboratory of Transient Optics and Photonics Xi'an Institute of Optics and Precision MechanicsChinese Academy of Sciences (CAS) Graduate School of the Chinese Academy of Sciences Xi'an Modern Chemistry Research Institute Institute of Advanced Materials Nanjing University of Posts and Telecommunications

A series of NaNdF4 nanocrystals was synthesized via a facile hydrothermal route with Nd（C3H7COO）yPhen and Nd（NO3）3·Phen （Phen, 1,10-phenanthroline） as the Nd precursors. Distinct effect of the neutral donor ligand （Phen） on the morphology of NaNdF4 nanocrystals was demonstrated. When Nd（C3H7COO）yPhen was chosen and the hydrothermal reaction temperature was controlled at 220 ℃, the NaNdF4 nanocrystals with uniform short nanorod shape were obtained. The sizes of the as-prepared nanorods could be tuned by changing the hydrothermal temperatures. This method provided a useful way for the preparation of sodium rare-earth fluoride nanocrystals with controlled shapes and sizes.

关键词： NaNdF4 nanorods 1,10-phenanthroline hydrothermal process rare earths

Crystal structure and properties of terbium o-methylbenzoate complex with 1,10-phenanthroline [Tb(o-CH_3C_6H_4COO)_3(C_(12)H_8N_2)]_2

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Rare Metals 2004年第2期23卷 103-108页

作者： WANGRuifen WANGShuping SHIShikao ZHANGJianjun ChemistryColleage HebeiNormalUniversityShijiazhuang050091China ExperimentalCenter HebeiNormalUniversityShijiazhuang050016China

A terbium o-methylbenzoate complex with 1,10-phenanthroline, Tb(o-MBA)_3phen(where o-MBA = o-methylbenzoate and phen = 1,10-phenanthroline) was prepared from ethanol solutionand its crystal structure was determined by X-ray diffraction. The crystal of the complexTb(o-MBA)_3phen belongs to triclinic crystal system and P1 (#2) space group. The crystal data are asfollows: a = 1.4371(4) nm, b = 1.7387(2) nm, c = 1.3109(2) nm, α = 96.37(1)°, β = 107.21(2)°,γ= 82.78(2)°, Ⅴ= 3.094(1) nm^3, Z= 2, M_r = 1489.12, D_c= 1.598 g·cm^(-3), μ = 2.330 mm^(-1)and F(000) = 1488.00. The final R and R_w are 0.038 and 0.047 for 8668 [Ⅰ > 2σ(Ⅰ)] uniquereflections, respectively. In the complex each Tb^(3+) ion is eight-coordinated by one1,10-phenanthroline molecule, one bidentate carboxylate group and four bridging carboxylate *** carboxylate groups are bonded to the terbium ion in two modes: the chelating bidentate and thebridging bidentate. Excitation and luminescence data observed at room temperature show that thetitle complex emits strong green fluorescence under ultraviolet light. The results of thermalanalysis indicate that the complex Tb(o-MBA)_3phen is quite stable to heat.

关键词： inorganic chemistry crystal structure X-ray analysis terbium complex o-methylbenzoic acid 1,10-phenanthroline luminescence

Stability of Rare Earth Ion-N,N′-bis(2′-Pyridine)methyl-1,10-phenanthroline-2,9-Dimethanmine Binary Complexes

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Journal of Rare Earths 2003年第2期21卷 142-145页

作者：刘天府王中明林华宽朱守荣徐猛陈云悌 Department of Chemistry Nankai University

The stability constants of binary complexes Ln-L (Ln = La3+, Ce3+, Pr3+, Nd3+, Sm3+, Eu3+, Gd3+ Tb3+, Dy3+, Ho3+, L = N, N'-bis (2'-pyridine) methyl-1, 10-phenanthroline-2, 9-dimethanamine) were determined by pH potentiometric titration method at 25 +/- 0.1degreesC in 0.1 mol . L-1 NaClO4. The probable structures of the corresponding complexes were proposed. The influence of the metal ions to the stability of binary complexes and the stability difference between the complexes of rare earth ion and the corresponding complexes of Co2+, Ni2+, Cu2+ ions were discussed. The stability constants of the corresponding binary complex of radioactive Pm3+ ion were estimated by linear regression.

关键词： organic chemistry 1,10-phenanthroline alpha-(aminomethyl) pyridine derivative rare earths

Influence of ligand architecture on the structure of coordination centre in dimeric europium carboxylates with 1,10-phenanthroline

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Journal of Rare Earths 2009年第4期27卷 539-543页

作者： V.Tsaryuk K.Lyssenko K.Zhuravlev V.Zolin V.Kudryashova I.Pekareva Z.Klemenkova Laboratory of Molecular Electronics V.A.Kotelnikov Institute of Radioengineering and Electronics Russian Academy of Sciences 1 Vvedenskii sq. Fryazino Moscow Reg. 141190 Russia A.N.Nesmeyanov Institute of Organoelement Compounds Russian Academy of Sciences 28 Vavilov st. Moscow 119991 Russia

Methods of optical spectroscopy and X-ray crystallography data were used to examine the effect of architecture of carboxylate anions on structure of the Eu3＋ coordination centre in europium earboxylates with 1,10-phenanthroline Eu（RCOO）3·Phen. Luminescence spectra of europium acetate, nitropropionate, benzoate, naphthylcarboxylates, phenylacetates, phenoxyacetate, triphenylpropionate were investigated. A few of europium carboxylates with 2,2＇-bipyridine Eu（RCOO）3·Bpy and europium salts Eu（RCOO）3·nH2O were also studied. Vibrational IR and Raman spectra of phenylacetate family were analyzed. The crystal structure of nitropropionate Eu（NO2C2H4COO）3·Phen was solved by X-my diffraction method. The predominant influence of steric hindrances on Eu^3＋ coordination centre was observed at increase of the size of aromatic flagment of carboxylate anions. It was demonstrated, that introduction of the methylene bridges between the carboxylic group and aromatic rings of ligand weakens the effect of steric factor.

关键词： Eu^3+ luminescence spectra vibrational spectra X-ray crystal structure carboxylate 1,10-phenanthroline rare earths

Preparation, Crystal Structure and Thermal Decomposition Process of Dysprosium Benzoate Complex with 1,10-phenanthroline

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Chinese Journal of Structural Chemistry 2008年第2期27卷 233-237页

作者： XU Su-Ling ZHANG Jian-Jun REN Ning ZHANG Hai-Yan HU Rui-Sheng Experimental Center Hebei Normal UJziversity Shijiazhuang 050016 China Department of Engineering Shijiazhuang Foreign Economy and Trade Vocational College Shijiazhuang 050061 China Department of Chemistry Handan College Handan 056005 China School of Chemical Engineering Shijiazhuang College Shijiazhuang 050035 China

A dinuclear dysprosium（III） complex with benzoic acid and 1,10-phenanthroline, [Dy（BA）3phen]2 （BA = benzoate, PHEN = 1,10-phenanthroline）（C66H46Dy2NaO12, Mr = 1412.07） was synthesized and characterized by elemental analysis, UV, IR, X-ray diffraction, molar conductance and TG-DTG techniques. It crystallizes in triclinic, space group P1 with a = 10.773（2）, b = 11.933（3）, c = 12.417（5） A, α= 105.226（3）,β= 93.470（3）, γ= 113.475（2）°, V= 1388.0（7）, Z = 1, Dc = 1.689 g/cm3, μ（MoKa） = 2.742 mm-1 and F（000） = 698. R = 0.0210, wR = 0.0538. In the crystal, each Dy（III） ion is eight-coordinated by one bidentate chelating carboxylate group, four bidentate bridging carboxylate groups and one 1,10-phenanthroline molecule. The thermal decomposition process of [Dy（BA）3phen]2 has been determined by thermal analysis.

关键词： benzoic acid crystal structure 1,10-phenanthroline dysprosium complex thermal analysis

Thermal Decomposition Kinetics and Mechanism of Tb(Ⅲ) m-Methylbenzoate Complex with 1,10-phenanthroline in Static Air Atmosphere

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Chemical Research in Chinese Universities 2002年第1期18卷 25-29页

作者： ZHANG Jian-jun WANG Rui-fen ZHANG Jian-ling WANG Shu-ping Experimental Center Hebei Normal UniversityShijiazhuang 050016P.R.China Department of Chemistry Hebei Normal UniversityShijiazhuang 050091.P.R.China Institute of Chemistry Chinese Academy of SciencesBeijing 100080P.R.China

The thermal behavior of [Tb_2( m -MBA)_6(phen)_2](H_2O)_2( m -MBA=C_8H_7O_2, methoxybenzoate; phen=C_ 12 H_8N_2, 1,10-phenanthroline) in static air atmosphere was investigated by means of TG-DTG and DTA methods. The thermal decomposition of the title compound takes place mainly in two steps. The intermediate and the residue for each decomposition were identified by the TG curve. By the kinetic method of processing thermal analysis data put forward by Malek et al ., it is defined that the kinetics model for the first-step thermal decomposition is SB( m,n ).

关键词： Thermal decomposition Non-isothermal kinetics Tb(Ⅲ) complex m-Methylbenzoate 1,10-phenanthroline

Preparation of Ternary Lanthanide Complexes with Unsaturated Acid and 1,10-phenanthroline, and Their Anti-Inflammatory Action

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Journal of Rare Earths 2004年第S1期22卷 46-50页

作者：刘鸿张惠珍曾伟曾正志 College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 China Research and Development A. M. Todd Company Montgomeryville Pennsylvania U.S.A Drug Metabolism (Department ) Merck Research Laboratory Merck & Co. West Point Pennsylvania U.S.A.

Four ternary lanthanide complexes with unsaturated acid and 1,10-phenanthroline are prepared in methanol and characterized by elemental analysis, molar conductance, UV, IR, (()~1H) NMR and XPS. The results from this paper show that the complexes Ln(phen)(SA)_3·2H_2O or Ln(phen)(CA)_3·H_2O (Ln=Ce(Ⅲ), Sm(Ⅲ) and Eu(Ⅲ), (phen=1,10-)phenanthroline, SA=Sorbate and CA=Cinnamate) has better anti-inflammatory effect than cerium nitrate and their gremores are steadier than cerium nitrate gremor. And there is a kind of medicament which can replace the cerium nitrate gremor completely in treating burn.

关键词： unsaturated acid 1,10-phenanthroline ternary lanthanide complexes anti-inflammatory burn rare earths

Crystal Structure and Properties of a Terbium Benzoate Complex with 1,10-phenanthroline

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Chinese Journal of Structural Chemistry 2004年第11期23卷 1300-1304页

作者：王瑞芬王淑萍石士考张建军 College of Chemistry Hebei Normal University Shijiazhuang 050091 China Experimental Center Hebei Normal University Shijiazhuang 050016 China

A terbium benzoate complex with 1,10-phenanthroline [Tb(ba)3(phen)]2, where ba = benzoate and phen = 1,10-phenanthroline, has been prepared and structurally characterized by X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 10.7881(5), b = 11.9262(6), c = 12.4249(6) ?, a = 105.1260(10), β = 93.6010(10), ? = 113.3350(10)o, (C33H23N2O6Tb)2, Mr = 1404.90, V = 1391.87(12) ?3, Z = 1, Dc = 1.676 g/cm3, μ(MoKα) = 2.590 mm-1, F(000) = 696, the final R = 0.0277 and wR = 0.0670 for 6085 observed reflections with I > 2σ(I). The crystal consists of binuclear molecules of the title compound. Each Tb3+ ion is nine-coordinated to one 1,10-phenan- throline molecule, one bidentate carboxylate group and four bridging carboxylate groups. The carboxylate groups are bonded to the terbium ion in three modes: the chelating bidentate, bridging bidentate and bridging-chelating tridentates. Excitation and luminescence data observed at room temperature show that the title complex emits very intensive green fluorescence under ultraviolet light. The results of thermal analysis indicate that the complex [Tb(ba)3phen]2 is very thermal stable.

关键词： terbium benzoic acid 1,10-phenanthroline crystal structure luminescence hermal decomposition