The Binomial Distribution of Hydrogen and Deuterium in Arsanes, Diarsanes, and Triarsanes Generated from As(III)/[BHn D4-n](-) and the Effect of Trace Amounts of Rh(III) Ions (Articolo in rivista)

Type
Label
  • The Binomial Distribution of Hydrogen and Deuterium in Arsanes, Diarsanes, and Triarsanes Generated from As(III)/[BHn D4-n](-) and the Effect of Trace Amounts of Rh(III) Ions (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s13361-012-0489-5 (literal)
Alternative label
  • Pagliano, E ; D'Ulivo, A ; Mester, Z ; Sturgeon, RE ; Meija, J (2012)
    The Binomial Distribution of Hydrogen and Deuterium in Arsanes, Diarsanes, and Triarsanes Generated from As(III)/[BHn D4-n](-) and the Effect of Trace Amounts of Rh(III) Ions
    in Journal of the American Society for Mass Spectrometry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pagliano, E ; D'Ulivo, A ; Mester, Z ; Sturgeon, RE ; Meija, J (literal)
Pagina inizio
  • 2178 (literal)
Pagina fine
  • 2186 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Scuola Normale Super Pisa, I-56126 Pisa, Italy [ 2 ] CNR, Ist Chim Composti Organometall, I-56124 Pisa, Italy [ 3 ] Natl Res Council Canada, Ottawa, ON K1A 0R6, Canada (literal)
Titolo
  • The Binomial Distribution of Hydrogen and Deuterium in Arsanes, Diarsanes, and Triarsanes Generated from As(III)/[BHn D4-n](-) and the Effect of Trace Amounts of Rh(III) Ions (literal)
Abstract
  • Recent studies of the formation of arsane in the borohydride/arsenate reaction demonstrate the occurrence of condensation cascades whereby small quantities of di- and triarsanes are formed. In this study, the isotopic composition of these di- and triarsanes was examined using deuterium labelled borohydrides. A statistical model was employed to construct the mass spectra of all diarsane and triarsane isotopologues (As2H (n) D4-n and As3H (n) D5-n ) from the mass spectra of isotopically pure compounds (As2H4, As2D4, As3H5, and As3D5). Subsequent deconvolution of the experimental mixed spectra shows that incorporation of hydrogen closely follows the binomial distribution, in accord with arsane formation. The H/D distribution in arsane, diarsane, and triarsane isotopologues is binomial in the absence of any interference. However, this is significantly altered by the presence of some transition metals; presented here, for the first time, are the effects of Rh(iii). The presence of Rh(iii) in the As(iii)/[BD4](-) system entails the incorporation of hydrogen into the arsanes arising from the solvent, altering the expected binomial H/D distribution. (literal)
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