Synthesis, characterization and structural analysis of complexes from 2,2':6',2''-terpyridine derivatives with transition metals.

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Acta Crystallographica Section C Structural Chemistry Pub Date : 2024-06-01 Epub Date: 2024-05-16 DOI:10.1107/S2053229624004224

Daniel A Fajardo, Danny Arteaga, Javier Ellena, Pedro H O Santiago, Richard F D'Vries, Luis Alberto Lenis

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引用次数: 0

Abstract

The synthesis and structural characterization of three families of coordination complexes synthesized from 4'-phenyl-2,2':6',2''-terpyridine (8, Ph-TPY), 4'-(4-chlorophenyl)-2,2':6',2''-terpyridine (9, ClPh-TPY) and 4'-(4-methoxyphenyl)-2,2':6',2''-terpyridine (10, MeOPh-TPY) ligands with the divalent metals Co²⁺, Fe²⁺, Mn²⁺ and Ni²⁺ are reported. The compounds were synthesized from a 1:2 mixture of the metal and ligand, resulting in a series of complexes with the general formula [M(R-TPY)₂](ClO₄)₂ (where M = Co²⁺, Fe²⁺, Mn²⁺ and Ni²⁺, and R-TPY = Ph-TPY, ClPh-TPY and MeOPh-TPY). The general formula and structural and supramolecular features were determinated by single-crystal X-ray diffraction for bis(4'-phenyl-2,2':6',2''-terpyridine)nickel(II) bis(perchlorate), [Ni(C₂₁H₁₅N₃)₂](ClO₄)₂ or [Ni(Ph-TPY)₂](ClO₄)₂, bis[4'-(4-methoxyphenyl)-2,2':6',2''-terpyridine]manganese(II) bis(perchlorate), [Mn(C₂₂H₁₇N₃O)₂](ClO₄)₂ or [Mn(MeOPh-TPY)₂](ClO₄)₂, and bis(4'-phenyl-2,2':6',2''-terpyridine)manganese(II) bis(perchlorate), [Mn(C₂₁H₁₅N₃)₂](ClO₄)₂ or [Mn(Ph-TPY)₂](ClO₄)₂. In all three cases, the complexes present distorted octahedral coordination polyhedra and the crystal packing is determined mainly by weak C-H...π interactions. All the compounds (except for the Ni derivatives, for which FT-IR, UV-Vis and thermal analysis are reported) were fully characterized by spectroscopic (FT-IR, UV-Vis and NMR spectroscopy) and thermal (TGA-DSC, thermogravimetric analysis-differential scanning calorimetry) methods.

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2,2':6',2''-terpyridine 衍生物与过渡金属复合物的合成、表征和结构分析。

由 4'-苯基-2,2':6',2''-三联吡啶（8，Ph-TPY）、4'-（4-氯苯基）-2,2'：报告了 4'-(4-甲氧基苯基)-2,2':6',2''-三联吡啶（9，ClPh-TPY）和 4'-(4-甲氧基苯基)-2,2':6',2''-三联吡啶（10，MeOPh-TPY）配体与二价金属 Co2+、Fe2+、Mn2+ 和 Ni2+ 的关系。这些化合物由金属和配体 1:2 的混合物合成，得到一系列通式为 [M(R-TPY)2](ClO4)2（其中 M = Co2+、Fe2+、Mn2+ 和 Ni2+，R-TPY = Ph-TPY、ClPh-TPY 和 MeOPh-TPY）的配合物。通过单晶 X 射线衍射确定了双(4'-苯基-2,2':6',2''-三联吡啶)双高氯酸镍(II)、[Ni(C21H15N3)2](ClO4)2 或 [Ni(Ph-TPY)2](ClO4)2、双[4'-(4-甲氧基苯基)-2,2'：6',2''-三联吡啶]双高氯酸锰，[Mn(C22H17N3O)2](ClO4)2 或 [Mn(MeOPh-TPY)2](ClO4)2，以及双(4'-苯基-2,2'：6',2''-terpyridine)manganese(II) bis(perchlorate), [Mn(C21H15N3)2](ClO4)2 或 [Mn(Ph-TPY)2](ClO4)2。在所有这三种情况下，配合物都呈现畸变的八面体配位多面体，晶体堆积主要由弱的 C-H...π 相互作用决定。通过光谱（傅立叶变换红外光谱、紫外可见光谱和核磁共振光谱）和热学（TGA-DSC，热重分析-差示扫描量热法）方法，对所有化合物（镍衍生物除外，报告了其傅立叶变换红外光谱、紫外可见光谱和热学分析）进行了全面表征。

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来源期刊

Acta Crystallographica Section C Structural Chemistry CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

1.60

自引率

12.50%

发文量

148

期刊介绍： Acta Crystallographica Section C: Structural Chemistry is continuing its transition to a journal that publishes exciting science with structural content, in particular, important results relating to the chemical sciences. Section C is the journal of choice for the rapid publication of articles that highlight interesting research facilitated by the determination, calculation or analysis of structures of any type, other than macromolecular structures. Articles that emphasize the science and the outcomes that were enabled by the study are particularly welcomed. Authors are encouraged to include mainstream science in their papers, thereby producing manuscripts that are substantial scientific well-rounded contributions that appeal to a broad community of readers and increase the profile of the authors.