螯合6族(Cr, Mo, W)羰基配合物的合成、表征及液相注入场解吸电离质谱分析。

IF 1.1 4区化学 Q4 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL

European Journal of Mass Spectrometry Pub Date : 2023-02-01 DOI:10.1177/14690667221149498

Olivia L Duletski, Navamoney Arulsamy, Michael T Mock

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引用次数: 1

摘要

本文报道了钼钨溴二羰基配合物(POCOPtBu)MIIBr(CO)2 (M = Mo或W;POCOPtBu = κ3- c6h3 -1,3-[OP(tBu)2]2)由阴离子PCP钳形配体支撑，而铬配合物(PNPtBu)Cr0(CO)3 (PNPtBu = 2,6-二(二叔丁基膦甲基)吡啶)承载中性PNP钳形支架。本研究中描述的三个六族配合物已通过液体注射场解吸电离质谱(LIFDI-MS)，核磁共振和红外光谱进行了表征。单晶x射线衍射研究表明，MoII和WII配合物具有六坐标畸变三角棱柱几何结构，而Cr0配合物具有畸变八面体几何结构。

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Synthesis, characterization, and liquid injection field desorption ionization mass spectrometry analysis of pincer ligated group 6 (Cr, Mo, W) carbonyl complexes.

We report the synthesis of molybdenum and tungsten bromo dicarbonyl complexes (POCOP^t^Bu)M^IIBr(CO)₂ (M = Mo or W; POCOP^t^Bu = κ³-C₆H₃-1,3-[OP(tBu)₂]₂) supported by an anionic PCP pincer ligand, and the chromium complex (PNP^t^Bu)Cr⁰(CO)₃ (PNP^t^Bu = 2,6-bis(di-tert-butyl-phosphinomethyl)pyridine) bearing a neutral PNP pincer scaffold. The three group six complexes described in this study have been characterized by Liquid Injection Field Desorption Ionization Mass Spectrometry (LIFDI-MS), NMR, and IR spectroscopy. Single crystal X-ray diffraction studies show the Mo^II and W^II complexes adopt a six-coordinate distorted trigonal prismatic geometry, whereas the Cr⁰ complex exhibits a distorted octahedral geometry.

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来源期刊

European Journal of Mass Spectrometry 物理-光谱学

CiteScore

2.40

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： JMS - European Journal of Mass Spectrometry, is a peer-reviewed journal, devoted to the publication of innovative research in mass spectrometry. Articles in the journal come from proteomics, metabolomics, petroleomics and other areas developing under the umbrella of the “omic revolution”.