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Inside Cover Hydrogen-Atom Tunneling Could Contribute to H2 Formation in Space (Angew. Chem. Int. Ed. 402010)

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The
role of quantum tunneling …
… of hydrogen atoms in the formation of dihydrogen in space has been investigated. In
their Communication on page 7350 ff., T.P.M. Goumans and J. Kstner use a novel
implementation of harmonic quantum transition-state theory to study the reaction rate
of hydrogen atoms with benzene. This model of the rate-limiting step of H2 formation on
carbonaceous dust grains in space shows that hydrogen reacts about two orders of
magnitude faster than the heavier deuterium. Background image: NASA/
JPL-Caltech/STScI/CXC/UofA/ESA/AURA/JHU.
Inside Cover
Theodorus P. M. Goumans* and Johannes Kstner
The role of quantum tunneling of hydrogen atoms in the formation of dihydrogen in
space has been investigated. In their Communication on page 7350 ff., T.P.M.
Goumans and J. Kstner use a novel implementation of harmonic quantum transitionstate theory to study the reaction rate of hydrogen atoms with benzene. This model of
the rate-limiting step of H2 formation on carbonaceous dust grains in space shows
that hydrogen reacts about two orders of magnitude faster than the heavier
deuterium. Background image: NASA/JPL-Caltech/STScI/CXC/UofA/ESA/AURA/
JHU.
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