Electron capture dissociation mass spectrometry of metallo-supramolecular complexes

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@article{53b4750b052f4e7e99b53130b5eac89d,
title = "Electron capture dissociation mass spectrometry of metallo-supramolecular complexes",
abstract = "The electron capture dissociation (ECD) of metallo-supramolecular dinuclear triple-stranded helicate Fe2L3 4 ions was determined by Fourier transform ion cyclotron resonance mass spectrometry. Initial electron capture by the di-iron(II) triple helicate ions produces dinuclear double-stranded complexes analogous to those seen in solution with the monocationic metal centers CuI or AgI. The gas-phase fragmentation behavior [ECD, collision-induced dissociation (CID), and infrared multiphoton dissociation (IRMPD)] of the di-iron double-stranded complexes, (i.e., MS3 of the ECD product) was compared with the ECD, CID, and IRMPD of the CuI and AgI complexes generated from solution. The results suggest that iron-bound dimers may be of the formFeI 2L2 2 and that ECD by metallo-complexes allows access, in the gas phase,to oxidation states and coordination chemistry that cannot be accessed in solution.",
author = "Malgorzata Kaczorowska and ACG Hotze and Michael Hannon and Helen Cooper",
year = "2010",
month = feb,
day = "1",
doi = "10.1016/j.jasms.2009.10.018",
language = "English",
volume = "21",
pages = "300--309",
journal = "Journal of the American Society for Mass Spectrometry",
issn = "1044-0305",
publisher = "Springer",
number = "2",

}

RIS

TY - JOUR

T1 - Electron capture dissociation mass spectrometry of metallo-supramolecular complexes

AU - Kaczorowska, Malgorzata

AU - Hotze, ACG

AU - Hannon, Michael

AU - Cooper, Helen

PY - 2010/2/1

Y1 - 2010/2/1

N2 - The electron capture dissociation (ECD) of metallo-supramolecular dinuclear triple-stranded helicate Fe2L3 4 ions was determined by Fourier transform ion cyclotron resonance mass spectrometry. Initial electron capture by the di-iron(II) triple helicate ions produces dinuclear double-stranded complexes analogous to those seen in solution with the monocationic metal centers CuI or AgI. The gas-phase fragmentation behavior [ECD, collision-induced dissociation (CID), and infrared multiphoton dissociation (IRMPD)] of the di-iron double-stranded complexes, (i.e., MS3 of the ECD product) was compared with the ECD, CID, and IRMPD of the CuI and AgI complexes generated from solution. The results suggest that iron-bound dimers may be of the formFeI 2L2 2 and that ECD by metallo-complexes allows access, in the gas phase,to oxidation states and coordination chemistry that cannot be accessed in solution.

AB - The electron capture dissociation (ECD) of metallo-supramolecular dinuclear triple-stranded helicate Fe2L3 4 ions was determined by Fourier transform ion cyclotron resonance mass spectrometry. Initial electron capture by the di-iron(II) triple helicate ions produces dinuclear double-stranded complexes analogous to those seen in solution with the monocationic metal centers CuI or AgI. The gas-phase fragmentation behavior [ECD, collision-induced dissociation (CID), and infrared multiphoton dissociation (IRMPD)] of the di-iron double-stranded complexes, (i.e., MS3 of the ECD product) was compared with the ECD, CID, and IRMPD of the CuI and AgI complexes generated from solution. The results suggest that iron-bound dimers may be of the formFeI 2L2 2 and that ECD by metallo-complexes allows access, in the gas phase,to oxidation states and coordination chemistry that cannot be accessed in solution.

U2 - 10.1016/j.jasms.2009.10.018

DO - 10.1016/j.jasms.2009.10.018

M3 - Article

C2 - 20004114

VL - 21

SP - 300

EP - 309

JO - Journal of the American Society for Mass Spectrometry

JF - Journal of the American Society for Mass Spectrometry

SN - 1044-0305

IS - 2

ER -