Distinct activity of the oxyl FeIII-O• group in the methane dissociation by activated iron hydroxide : DFT predictions. / Shubin, Aleksandr A.; Ruzankin, Sergey Ph; Zilberberg, Igor L. et al.
In: Chemical Physics Letters, Vol. 640, 01.11.2015, p. 94-100.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Distinct activity of the oxyl FeIII-O• group in the methane dissociation by activated iron hydroxide
T2 - DFT predictions
AU - Shubin, Aleksandr A.
AU - Ruzankin, Sergey Ph
AU - Zilberberg, Igor L.
AU - Parmon, Valentin N.
PY - 2015/11/1
Y1 - 2015/11/1
N2 - The abstraction of hydrogen from methane on the terminal iron-oxo group in the ferryl FeIV=O and oxyl FeIII-O• states, the hydrogen peroxide group Fe-OOH and the peroxo group Fe-OO-Fe created in iron hydroxide was modeled by means of the density functional theory. The active groups were built using the Fe4O4(OH)4 starting complex having one hydrogen removed imitating the effect of the external oxidizer. Among considered groups the oxyl group is predicted to have the highest reactivity. A clear distinction in reactivity between the FeIII-O• and FeIV=O quasi-degenerate states has been attributed to the sign of terminal oxygen spin polarization.
AB - The abstraction of hydrogen from methane on the terminal iron-oxo group in the ferryl FeIV=O and oxyl FeIII-O• states, the hydrogen peroxide group Fe-OOH and the peroxo group Fe-OO-Fe created in iron hydroxide was modeled by means of the density functional theory. The active groups were built using the Fe4O4(OH)4 starting complex having one hydrogen removed imitating the effect of the external oxidizer. Among considered groups the oxyl group is predicted to have the highest reactivity. A clear distinction in reactivity between the FeIII-O• and FeIV=O quasi-degenerate states has been attributed to the sign of terminal oxygen spin polarization.
UR - http://www.scopus.com/inward/record.url?scp=84946039559&partnerID=8YFLogxK
U2 - 10.1016/j.cplett.2015.10.016
DO - 10.1016/j.cplett.2015.10.016
M3 - Article
AN - SCOPUS:84946039559
VL - 640
SP - 94
EP - 100
JO - Chemical Physics Letters
JF - Chemical Physics Letters
SN - 0009-2614
ER -
ID: 25403395