Formation and Fragmentation Chemistry of Tripositive Ln(TMGA)(3)(3+) Complexes in the Gas Phase
Chen, XT; Li, QN; Gong, Y
2017
发表期刊JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
ISSN1044-0305
卷号28期号:8页码:1696-1701
文章类型期刊论文
摘要Electrospray ionization (ESI) of LnCl(3) (Ln = La-Lu except Pm) and TMGA (tetramethyl glutaramide) mixtures resulted in the formation of gas-phase Ln(TMGA)(3)(3+) complexes, where tripositive lanthanide cation was coordinated by three neutral TMGA ligands. Collision induced dissociation (CID) was employed to investigate the fragmentation chemistry of these tripositive complexes. Ln(TMGA)(2)(TMGA- 45)(3+) resulting from C-carbonyl-N bond cleavage of TMGA and hydrogen transfer is the major CID product for all Ln(TMGA)(3)(3+) except Eu(TMGA)(3)(3+) which predominantly forms divalent Eu-II(TMGA)(2)(2+) complex via loss of TMGA(+). Analogous Yb-II(TMGA)(2)(2+) and Sm-II(TMGA)(2)(2+) complexes arising from charge reduction were also observed, in competition with the formation of charge conserving Yb-III(TMGA)(TMGA-H)(2+) and Sm-III(TMGA)(TMGA-H)(2+) products. The yield of these charge reducing products follows their reduction potentials in condensed phase. In addition to Ln(TMGA)(3)(3+), tripositive ions such as Ln(TMGA)(4)(3+) and Ln(TMGA)(2)(3+) were experimentally identified as well. While the former was observed along with Ln(TMGA)(3)(3+) during ESI, the latter was observed upon CID of Ln(TMGA)(3)(3+), suggesting two TMGA molecules can stabilize Ln(3+) in the gas phase.
关键词Trivalent Metal-ions Diglycolamide Complexes Actinide Separations Dissociation Ligands Coordination Trications Spectroscopy Extractants Lanthanum
DOI10.1007/s13361-017-1681-4
关键词[WOS]TRIVALENT METAL-IONS ; DIGLYCOLAMIDE COMPLEXES ; ACTINIDE SEPARATIONS ; DISSOCIATION ; LIGANDS ; COORDINATION ; TRICATIONS ; SPECTROSCOPY ; EXTRACTANTS ; LANTHANUM
收录类别SCI
语种英语
WOS记录号WOS:000405486200020
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28662
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
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Chen, XT,Li, QN,Gong, Y. Formation and Fragmentation Chemistry of Tripositive Ln(TMGA)(3)(3+) Complexes in the Gas Phase[J]. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY,2017,28(8):1696-1701.
APA Chen, XT,Li, QN,&Gong, Y.(2017).Formation and Fragmentation Chemistry of Tripositive Ln(TMGA)(3)(3+) Complexes in the Gas Phase.JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY,28(8),1696-1701.
MLA Chen, XT,et al."Formation and Fragmentation Chemistry of Tripositive Ln(TMGA)(3)(3+) Complexes in the Gas Phase".JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 28.8(2017):1696-1701.
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