CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "pubs.acs.org",cType: 'managed',cRay: '922fb0ad489f3e0b',cH: 'UTpJQLzFovmFShdTX2n5EHOaBm7GaLoLYcZphN5mUWo-1742415833-1.2.1.1-xx4DakI4q5PtAmgOGK.2Z5.y4RkQ.6oqdobBLAk3u.p4b456a1WoMK3EXl3w7IfS',cUPMDTk: "\/doi\/abs\/10.1021\/ja01608a014?__cf_chl_tk=R_Gwp91MrHkaiVjKsjHBUmLlFMR7u3PimYfjRkEA3Mc-1742415833-1.0.1.1-pxd0j_HjD17u_ad_Hn62TJWjtDWwsD6ufDs3oP8Z6W4",cFPWv: 'b',cITimeS: '1742415833',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/doi\/abs\/10.1021\/ja01608a014?__cf_chl_f_tk=R_Gwp91MrHkaiVjKsjHBUmLlFMR7u3PimYfjRkEA3Mc-1742415833-1.0.1.1-pxd0j_HjD17u_ad_Hn62TJWjtDWwsD6ufDs3oP8Z6W4",md: "jbaWoTCXftL6rJ02kzgwchyGX2MP7.3D0dmmIQ6KsoQ-1742415833-1.2.1.1-RUDCs2Gm_Ok3tyqYHDnovrA_Muvx6bJx84zYl2HJTvpiVKNCA_gG_lnKqN707VeYCY4.eJyG.vvN1Mxfyr8R8nfd57ZZRn3Xwai2RLsJ_OaZY.zfsz2HRjyn4.B50q8Ky6k9rnMKxtay4PloeOJSqtilwuj8zs_p6erPXGQn9Gl9JJgzjFA9a8wcNU77osOaqilD11IXy7JQj7LibTyr7Vo5MPWNjIIEwq7qaaBdZKtgoIvHt0uAVcirfx.N9V2yrDQvNk_C.bSj68CLw1P_4TM16hfoGoGEvNMAuganunDm2Y7te83MKvvKkODbvYjF7yVVj9BihovkKshN_grNk.ldjIxpDJZdKhslFftNv2NjEanoxn3NPCP6hOS8wK0flZNTWsQkZ84ddZB4vK.r_DNFfkmt8DNLzr12fhoClsy.dmn4uO3TZxSQLbMsMsnkDFgpabRcl2yU6BnA1mV.klkLVOJIW6uXy4LHibRAIZVjF5Mpz7pdYzZpfbPKHTc86Z7ebkH80KpQ6MKnvJN2MeSFRGZAodZgK0WsGpqdP851XCAkIP45wqUXyKra0SSr6lYogiY44NKlzQ0bJKfhMZ2na56G8LBQdUcOnlaJBTsuvHE0Ur4rp2p4Y23po8hcdtv5WWMP18TXtX5pkRnpR.Sjp7B_rKRLVMkP9gswDaQfKGD8emBNQdumVLZKxsj9ogUAAdxm54yeCiEEh1g5HCHdr2drlMeErsUWrZ5DDuyGzcveOsHcJ7cGAnGopSlFFbO3R9yr8pYE8ruZPlYRZCqub5azK3e2gZMLHKnVHL.2TbpJWqi6ubUdNHadTvY2GfkKYaVwq1MZZi._5DrbrhvGeDe98Po3VJ7rtTaFyq5047GtMGeCrdKLbvTvwt9mhPSIdkldGbZ22ILz5YodgSWsIfNakp8ZImiSpkGle2Dg2C5MJL.IxFAofU0n4z_zxevjfYRuY5Ks2VvGakYfVda5Cis1Ut5AboTzyeuJBzG6e1NXIt_6fCYUMaXeNhyAmJsUTtKXD9XBb7KnPtuCY_jJq72cAaNoEQ7IV4eeGbKeEfcGLaHhdT9F9hFsLI2ecpPYYY0F7zk_IrISslqiESFOR7JYqSBC2t.esHMm4f8vhSp27.W9LuUC31gXuFmKTzw2m1zVwYgRTx5.LdQhFd8dTiBvGqldPyqWpq0H_76Tiz80guqN6AoKVqaE22AasEM7Jx34Uf0YleJ2FlApcNQMwWEIKJ75WI0GbyNLXibafum9k4iOq437fDBrtPBQZE__LER9.7zkGkBwQjlyMA",mdrd: "futLnxbYC2xshoz17z2LbhgxnAp6T6jxuPe06dkGIqk-1742415833-1.2.1.1-rxi9kFCs4gTyU1mDyi_x3QPlNnHwjA.3aZIZrsYGxLIMkbwgGlwiF3YdC4nA2EdBe.kEXQNWK2RQuSzFYXObc4jJXk21bACk15SkMaIGvXkcJsGiCj4TWwUYHQ96TPlRRbKu444Kt47cPhuzvaQWTpome0WS6tkBGv3Wq48hlAXMUJGhPSKNlg4o0f9A_PR2lkb6iBNf5IQ9ZT4tzQG1HDuiFLoAfiqSOYQ2smyoSDrOQvTLvfBM.W4ShzVbeF8vfhD1fJD5aGPnTpSM08s0FBNqo8tcnViTPOWoRWqQ_JKqB8QjptS5I3xNhl1zPMqkD3v0LdvHeiHJv6ahSrXmmOODIFihycZlRifneXO6_K1CBxR2mu9NFlxYF_qJFQkCsmjj238HC8BfYJdRzoHLVIh9dbrUZXU2DPZgssmtQtIHop8ZO4AMJKrJnL4sg4ur1dIfQah6F1HbiXnrWIwxKp8zmkbRdjY.a0lTQdKqc22T.MROfQSRlDvmJ9UPSk4qwKS0MBoJjt73HBmGGupNTTUMobMHkMF3rdNoNe7_rQIvyneABmhL1.ym9CenSpWTF25qCXkzuTrEqWmJ87WsffSaI2r0BsPRrmTKVP_nojV0qMEj.nGme5XDK2Bl43HnvdiAok3rTFkERtWVUQnkPcfwFhO1Vp0hzcoqOsd60kRLSxSYUk3eJhjk.bu23kdwJQXs04QLYR27jMshfQYeStquW7n319FNVXJAtzBEF3cF65qv.BMq99rqbO.N.Z7_fJeS_sX03SRn2wM6P5KJhj9GosdeQCke4EwjlG53B3FiTuAsVW9gyzHfnBkRNw0cpnp7zDylVaLXszY1okA6zDq7uz.f.LfSY4DHRdQE3_kpqRO6npB2qyw4m28.HdfVIjp9j5wLOEVvvuXmZ9dArC4jZKwb.BAXxQv5GHY4XiWF60Fiesw2kNUW6Yi0ooJj1ZgV9hwno6oCeC78K2NEwKZTc.TYmbCFsIwzhJyfb.iNDLIhwCCKd5eS3I7oMXe5c1gMLhflHoYJpHGUDradJ_jFmK2s3W7qXHiFM1eC4bD2OCmRs4o045QVfXy29ptcR7sQ8FkOxe__iWy.FtflBUaypO4faLm3OPiBNYjNRcY5PKnVQXNSrPJpw8SImU4jBzAXfXNAfHZlU5gXpsVSHFxWgehtILCX9hmIMAS8bqzHdNfEm2ZsJ6Pb8SFeFa9rfENOXBd8j0xjOFapImYy1Z.X3K2Ro1xbqwbbKj.umvIS0wD4EXu9nq3ZKctz3VuN5wo5ipvTNvHaYrDY96pbbi2S7t6y0sf.efOJ6KVWCgShnq839fYx3ZGsfREAJ96fGFe0q4eeYjnn13TXKQ6.fPnHkocTM7JD2dqKvHvObQhMXs6eG4E.JoA_DdeXTheGfKFuVVx66GMyo69DckkEK8vAfWrMAIYfQPJ4phrt37x4Cmv3.vOKZLFhmWVKM2RpxfHybKX8zSFdNzKbaQGDlWxSjomDxV..duxt_2NKlBz_KqsgDLFOIFVDuEkVZrifardy9ug2MjQHIZ8UXvzbSwsmacA1DzAssgpEevkqIpuRLJS0xjFQLZ.UyPKaaBPS7Ss4zJ.s5TVBLlgN36Ed4ZDy10WNq9TBO6RTaPgIyf0PVYQHm0J0pL8rZ71MZz5gk0a4MQug.bwSbINzQjK2EIW2stMdqf63o7_OI3KI3XIRVgJAM0vU5RD3Tq3Bo9LthjHTKuZVDbzq9_15tB9btmOkXGt2p72hOrIKoN0nG1S9._gda8J3Iojl7pdsGd9rUqJQm1b_kqBaoWT932iF2fLzL3kKO76R8ltPSzp9MNTFGK9aVFWQuJDiOpPM8S0Ca8Jj2PdP4UuCKuA9hl49qSrj2Hl596PUkikwp0FUa0K0wezY1h4womu7PmuvwiA9zwAlhgtc9kb8iRzXo9o39hlOCCl7RkpV3h057sH7GMRly.f_bq17xKJL0kUeyJrs7HtXworPweVIQHYK2FZjD0WhbvDGgxvGPJ_bfGmIMITmpThKzbVpzURGbh5afeo7"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=922fb0ad489f3e0b';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/doi\/abs\/10.1021\/ja01608a014?__cf_chl_rt_tk=R_Gwp91MrHkaiVjKsjHBUmLlFMR7u3PimYfjRkEA3Mc-1742415833-1.0.1.1-pxd0j_HjD17u_ad_Hn62TJWjtDWwsD6ufDs3oP8Z6W4" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>