A recent and more extensive reinvestigation of the allyl radical1 could not reproduce several spectra in our previous article2 and leads to a reinterpretation of the data. As a consequence the major conclusions of the work have to be changed. The new interpretation is discussed in detail in Ref. 1.

1.
A.
Gasser
,
A. M.
Schulenburg
,
P. M.
Dietiker
,
A.
Bach
,
F.
Merkt
, and
P.
Chen
,
J. Chem. Phys.
131
,
014304
(
2009
).
2.
T.
Gilbert
,
I.
Fischer
, and
P.
Chen
,
J. Chem. Phys.
113
,
561
(
2000
).