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@ARTICLE{Ocaa:865031,
      author       = {Ocaña, Antonio J. and Blázquez, Sergio and Potapov,
                      Alexey and Ballesteros, Bernabé and Canosa, André and
                      Antiñolo, María and Vereecken, Luc and Albaladejo, José
                      and Jiménez, Elena},
      title        = {{G}as-phase reactivity of {CH}3{OH} toward {OH} at
                      interstellar temperatures (11.7–177.5 {K}): experimental
                      and theoretical study},
      journal      = {Physical chemistry, chemical physics},
      volume       = {21},
      number       = {13},
      issn         = {1463-9084},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2019-04596},
      pages        = {6942 - 6957},
      year         = {2019},
      abstract     = {The reactivity of methanol (CH3OH) toward the hydroxyl (OH)
                      radical was investigated in the temperaturerange
                      11.7–177.5 K using the CRESU (French acronym for Reaction
                      Kinetics in a Uniform Supersonic Flow)technique. In the
                      present study, the temperature dependence of the rate
                      coefficient for the OH + CH3OHreaction, k(T), has been
                      revisited and additional experimental and computational data
                      are reported. Newkinetic measurements were performed to fill
                      the existing gaps (<22 K, 22–42 K and 88–123 K),
                      reportingk(T < 20 K) for the first time. The lowest
                      temperature ever achieved by a pulsed CRESU has beenobtained
                      in this work (11.7 K). k(T) abruptly increases by almost 2
                      orders of magnitude from 177.5 K toaround 100 K. At T < 100
                      K, this increase is less pronounced, reaching the capture
                      limit at temperaturesbelow 22 K. The pressure dependence of
                      k(T) has been investigated for selected temperatures and
                      gasdensities $(1.5x10^16$ to $4.3x10^17$ cm3), combining our
                      results with those previously reported. Nodependence was
                      observed within the experimental uncertainties below 110 K.
                      The high- and low-pressurerate coefficients, kHPL(T) and
                      kLPL(T), were also studied in detail using high-level
                      quantumchemical and theoretical kinetic methodologies,
                      closely reproducing the experimental data between 20and 400
                      K. The results suggest that the experimental data are near
                      the high pressure limit at the lowesttemperatures, but that
                      the reaction remains a fast and effective source of CH2OH
                      and CH3O at the lowpressures and temperatures prevalent in
                      the interstellar medium.},
      cin          = {IEK-8},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {243 - Tropospheric trace substances and their
                      transformation processes (POF3-243)},
      pid          = {G:(DE-HGF)POF3-243},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {30868151},
      UT           = {WOS:000464323400014},
      doi          = {10.1039/C9CP00439D},
      url          = {https://juser.fz-juelich.de/record/865031},
}