Observation of stable HO4(+) and DO4(+) ions from ion-molecule reactions in helium nanodroplets.

Observation of stable HO4(+) and DO4(+) ions from ion-molecule reactions in helium nanodroplets.
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氦纳米液滴中离子-分子反应中稳定的 HO4( ) 和 DO4( ) 离子的观察

DOI:
10.1039/c6cp01895e
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发表时间:
2016
期刊:
Physical chemistry chemical physics : PCCP
影响因子:
--
通讯作者:
Andrew M.
Andrew M.
中科院分区:
--
文献类型:
--
作者:
Renzler;Michael;Ralser;Stefan;Kranabetter;Lorenz;Scheier;Andrew M.

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液氦纳米液滴中H2/D2和O2簇之间的离子分子反应是由电子诱导电离(70 eV)引发的。反应产物通过质谱检测,可以通过一个主要的反应通道来解释,该反应通道涉及H3+或H3+(H2)n簇及其氘化当量的质子转移。从H3+与O2的反应中可以看到很少的HO2+,这是由于HO2+与H2之间发生了有效的二次反应。另一方面,HO4+是H3+与氧二聚体(O2)2反应的最丰富的产物。实验数据表明,HO4+是一种特别稳定的离子,这与最近对该离子的理论研究一致。
Ion–molecule reactions between clusters of H2/D2 and O2 in liquid helium nanodroplets were initiated by electron-induced ionization (at 70 eV). Reaction products were detected by mass spectrometry and can be explained by a primary reaction channel involving proton transfer from H3+ or H3+(H2)n clusters and their deuterated equivalents. Very little HO2+ is seen from the reaction of H3+ with O2, which is attributed to an efficient secondary reaction between HO2+ and H2. On the other hand HO4+ is the most abundant product from the reaction of H3+ with oxygen dimer, (O2)2. The experimental data suggest that HO4+ is a particularly stable ion and this is consistent with recent theoretical studies of this ion.
DOI: --
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期刊: Physical Chemistry, Chemical Physics - PCCP
影响因子: --
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