Stable compositions and geometrical structures of titanium oxide cluster cations and anions studied by ion mobility mass spectrometry

2016 ◽  
Vol 144 (19) ◽  
pp. 194305 ◽  
Author(s):  
Keijiro Ohshimo ◽  
Naoya Norimasa ◽  
Ryoichi Moriyama ◽  
Fuminori Misaizu
Keyword(s):  
Mass Spectrometry ◽  
Titanium Oxide ◽  
Ion Mobility ◽  
Ion Mobility Mass Spectrometry ◽  
Oxide Cluster ◽  
Geometrical Structures

Geometrical Structures of Gas Phase Chromium Oxide Cluster Anions Studied by Ion Mobility Mass Spectrometry

2017 ◽  
Vol 121 (30) ◽  
pp. 5605-5613 ◽  
Author(s):  
Ryoichi Moriyama ◽  
Ryuki Sato ◽  
Motoyoshi Nakano ◽  
Keijiro Ohshimo ◽  
Fuminori Misaizu
Keyword(s):  
Mass Spectrometry ◽  
Gas Phase ◽  
Chromium Oxide ◽  
Ion Mobility ◽  
Ion Mobility Mass Spectrometry ◽  
Cluster Anions ◽  
Oxide Cluster ◽  
Geometrical Structures

Geometrical Structures of Gas-Phase Cerium Oxide Cluster Cations Studied by Ion Mobility Mass Spectrometry

2019 ◽  
Vol 123 (27) ◽  
pp. 16641-16650 ◽  
Author(s):  
Toshiaki Nagata ◽  
Jenna W. J. Wu ◽  
Motoyoshi Nakano ◽  
Keijiro Ohshimo ◽  
Fuminori Misaizu
Keyword(s):  
Mass Spectrometry ◽  
Gas Phase ◽  
Cerium Oxide ◽  
Ion Mobility ◽  
Ion Mobility Mass Spectrometry ◽  
Oxide Cluster ◽  
Geometrical Structures

Compositions and Isomer Separation of Palladium Oxide Cluster Cations Studied by Ion Mobility Mass Spectrometry

2019 ◽  
Vol 123 (28) ◽  
pp. 17580-17587 ◽  
Author(s):  
M. Abdul Latif ◽  
Jenna W. J. Wu ◽  
Toshiaki Nagata ◽  
Motoyoshi Nakano ◽  
Keijiro Ohshimo ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Ion Mobility ◽  
Palladium Oxide ◽  
Ion Mobility Mass Spectrometry ◽  
Isomer Separation ◽  
Oxide Cluster

Structures of stoichiometric sodium oxide cluster cations studied by ion mobility mass spectrometry

2019 ◽  
Vol 32 (2) ◽  
pp. 193-199
Author(s):  
Motoyoshi Nakano ◽  
Yudai Ishimura ◽  
Riki Hotta ◽  
Daiki Hebiguchi ◽  
Toshiaki Nagata ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Ion Mobility ◽  
Sodium Oxide ◽  
Ion Mobility Mass Spectrometry ◽  
Oxide Cluster

Structures of cobalt oxide cluster cations studied by ion mobility mass spectrometry

2013 ◽  
Vol 588 ◽  
pp. 63-67 ◽  
Author(s):  
Kosuke Ota ◽  
Kiichirou Koyasu ◽  
Keijiro Ohshimo ◽  
Fuminori Misaizu
Keyword(s):  
Mass Spectrometry ◽  
Cobalt Oxide ◽  
Ion Mobility ◽  
Ion Mobility Mass Spectrometry ◽  
Oxide Cluster

scholarly journals Catenane Structures of Homoleptic Thioglycolic Acid-Protected Gold Nanoclusters Evidenced by Ion Mobility-Mass Spectrometry and DFT Calculations

Nanomaterials ◽  
2019 ◽  
Vol 9 (3) ◽  
pp. 457 ◽  
Author(s):  
Clothilde Comby-Zerbino ◽  
Martina Perić ◽  
Franck Bertorelle ◽  
Fabien Chirot ◽  
Philippe Dugourd ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Dft Calculations ◽  
Ion Mobility ◽  
Density Functional ◽  
Thioglycolic Acid ◽  
Collision Cross Section ◽  
Gold Nanoclusters ◽  
Ion Mobility Mass Spectrometry ◽  
Metal Nanoclusters ◽  
Geometrical Structures

Thiolate-protected metal nanoclusters have highly size- and structure-dependent physicochemical properties and are a promising class of nanomaterials. As a consequence, for the rationalization of their synthesis and for the design of new clusters with tailored properties, a precise characterization of their composition and structure at the atomic level is required. We report a combined ion mobility-mass spectrometry approach with density functional theory (DFT) calculations for determination of the structural and optical properties of ultra-small gold nanoclusters protected by thioglycolic acid (TGA) as ligand molecules, Au10(TGA)10. Collision cross-section (CCS) measurements are reported for two charge states. DFT optimized geometrical structures are used to compute CCSs. The comparison of the experimentally- and theoretically-determined CCSs allows concluding that such nanoclusters have catenane structures.

scholarly journals Stable Compositions and Structures of Copper Oxide Cluster Cations CunOm+(n= 2–8) Studied by Ion Mobility Mass Spectrometry

ACS Omega ◽  
2018 ◽  
Vol 3 (12) ◽  
pp. 18705-18713 ◽  
Author(s):  
M. Abdul Latif ◽  
Jenna W. J. Wu ◽  
Ryoichi Moriyama ◽  
Motoyoshi Nakano ◽  
Keijiro Ohshimo ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Copper Oxide ◽  
Ion Mobility ◽  
Ion Mobility Mass Spectrometry ◽  
Oxide Cluster

Compositions and structures of niobium oxide cluster ions, NbmOn±, (m = 2–12), revealed by ion mobility mass spectrometry

2017 ◽  
Vol 19 (36) ◽  
pp. 24903-24914 ◽  
Author(s):  
Jenna W. J. Wu ◽  
Ryoichi Moriyama ◽  
Motoyoshi Nakano ◽  
Keijiro Ohshimo ◽  
Fuminori Misaizu
Keyword(s):  
Mass Spectrometry ◽  
Vanadium Oxide ◽  
Ion Mobility ◽  
Niobium Oxide ◽  
Cluster Ions ◽  
Ion Mobility Mass Spectrometry ◽  
Oxide Cluster

The compositions and structures of niobium oxide cluster ions were studied and compared with vanadium oxide.

Structures of Magnesium Oxide Cluster Cations Studied Using Ion Mobility Mass Spectrometry

2019 ◽  
Vol 124 (1) ◽  
pp. 101-107
Author(s):  
Motoyoshi Nakano ◽  
Daiki Hebiguchi ◽  
Shohei Azuma ◽  
Ryoichi Moriyama ◽  
Keijiro Ohshimo ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Magnesium Oxide ◽  
Ion Mobility ◽  
Ion Mobility Mass Spectrometry ◽  
Oxide Cluster

Structures and CO-Adsorption Reactivities of Nickel Oxide Cluster Cations Studied by Ion Mobility Mass Spectrometry

2015 ◽  
Vol 119 (20) ◽  
pp. 11014-11021 ◽  
Author(s):  
Keijiro Ohshimo ◽  
Shohei Azuma ◽  
Tatsuya Komukai ◽  
Ryoichi Moriyama ◽  
Fuminori Misaizu
Keyword(s):  
Mass Spectrometry ◽  
Nickel Oxide ◽  
Ion Mobility ◽  
Co Adsorption ◽  
Ion Mobility Mass Spectrometry ◽  
Oxide Cluster
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