{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T16:34:50Z","timestamp":1781109290425,"version":"3.54.1"},"reference-count":36,"publisher":"National Academy of Sciences","issue":"8","content-domain":{"domain":["www.pnas.org"],"crossmark-restriction":true},"short-container-title":["Proc. Natl. Acad. Sci. U.S.A."],"published-print":{"date-parts":[[2002,4,16]]},"abstract":"<jats:p>\n                    The adsorption of the trigonal connector, 1,3,5-tris[10-(3-ethylthiopropyl)dimethylsilyl-1,10-dicarba-\n                    <jats:italic>closo<\/jats:italic>\n                    -decaboran-1-yl]benzene (1), from acetonitrile\/0.1 M LiClO\n                    <jats:sub>4<\/jats:sub>\n                    on the surface of mercury at potentials ranging from +0.3 to \u22121.4 V (vs. aqueous Ag|AgCl|1 M LiCl) was examined by voltammetry, Langmuir isotherms at controlled potentials, and impedance measurements. No adsorption is observed at potentials more negative than \u223c \u22120.85 V. Physisorption is seen between \u223c \u22120.85 and 0 V. At positive potentials, adsorbate-assisted anodic dissolution of mercury occurs and an organized surface layer is formed. Although the mercury cations are reduced at \u22120.10 V, the surface layer remains metastable to potentials as negative as \u22120.85 V. Its surface areas per molecule and per redox center are compatible with a regular structure with the connectors 1 woven into a hexagonal network by RR\u2032S\u2192Hg\n                    <jats:inline-formula>\n                      <jats:tex-math notation=\"LaTeX\">\\documentclass[12pt]{minimal}\n\\usepackage{amsmath}\n\\usepackage{wasysym} \n\\usepackage{amsfonts} \n\\usepackage{amssymb} \n\\usepackage{amsbsy}\n\\usepackage{mathrsfs}\n\\setlength{\\oddsidemargin}{-69pt}\n\\begin{document}\n\\begin{equation*}{\\mathrm{_{2}^{2+}}}\\end{equation*}\\end{document}<\/jats:tex-math>\n                    <\/jats:inline-formula>\n                    \u2190SRR\u2032 or RR\u2032S\u2192Hg\n                    <jats:sup>2+<\/jats:sup>\n                    \u2190SRR\u2032 bridges. The structure is simulated closely by geometry optimization in the semiempirical AM1 approximation.\n                  <\/jats:p>","DOI":"10.1073\/pnas.082098299","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T10:45:09Z","timestamp":1027680309000},"page":"5012-5017","update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":22,"title":["Self-assembly of a metal-ion-bound monolayer of trigonal connectors on mercury: An electrochemical Langmuir trough"],"prefix":"10.1073","volume":"99","author":[{"given":"Natalia","family":"Varaksa","sequence":"first","affiliation":[{"name":"Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309-0215; and J. 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