Journal of the American Chemical Society (ISSN 0002-7863) is published weekly except for the first week in January by the American Chemical Society at 1155 16th St. NW, Washington, DC 20036. Periodicals postage paid at Washington, DC and additional mailing offices. POSTMASTER: Send address changes to Journal of the American Chemical Society, Subscription Services, P.O. Box 3337, Columbus, OH 43210. American Chemical Society 1155 16th St. NW, Washington, DC 20036 (202) 872-4600; TDD (202) 872-6076; Fax (202) 776-8264
Publications Division Brian D. Crawford, President
Customer Service & Information http://pubshelp.acs.org. Tel (202) 872-4376 E-mail
[email protected] Journals Publishing Group Susan King, Senior Vice President Darla Henderson, Assistant Director, Editorial Development
Journal Production & Manufacturing Operations American Chemical Society 2540 Olentangy River Road P.O. Box 3330, Columbus, OH 43210 (614) 447-3665; Fax (614) 447-3745 E-mail
[email protected] Journal Production & Manufacturing Operations Robert S. O’Dell, Vice President, Manufacturing Operations Leslie A. Walker, Manager, Journals Editing Stephanie L. Bryan, Senior Associate Editor
ACS Publications Advertising Office 1155 16th St. NW, Washington, DC 20036 (610) 964-8061; E-mail
[email protected] Subscription Services P.O. Box 3337, Columbus, OH 43210 Members contact: Member Services (614) 447-3776; (800) 333-9511; Fax (614) 447-3671 E-mail
[email protected] Agencies & Institutions contact: Sales Analysis & Support (614) 447-3674; (888) 338-0012; Fax (614) 447-5475 E-mail
[email protected] Sales & Marketing Brandon A. Nordin, Vice President, Sales, Marketing & Web Strategy Sean D. Abell, Director, Marketing Jonathan Morgan, Director, Digital Strategy & Platform Development Joseph H. Graham, Assistant Director, Marketing Editorial Office Operations Sarah B. Tegen, Director, Editorial Office Operations Charley Trowbridge, Assistant Director, Peer Review Operations Anne Coghill, Manager, Peer Review Systems
Copyright Permission: See the ACS Journal Publishing Agreement for certain rights (http://pubs.acs.org/page/copyright/journals/index.html). Reprographic copying beyond that permitted by Section 107 or 108 of the U.S. Copyright Act is allowed, provided that the current per article fee is paid to the Copyright Clearance Center. Tel: +1 978-750-8400. Republication or reproduction of material for which ACS owns copyright in this journal is permitted only through Rightslink at http://pubs.acs.org/page/4authors/copyright/index.html.
Instructions for Authors and the ACS Journal Publishing Agreement: Visit the ACS Web site (http://paragonplus.acs.org/login). Please conform to these instructions when submitting manuscripts. Manuscript Submission: Submit via the Journal Web site (http://pubs.acs.org/journal/jacsat). Accepted Papers and Proofs: Direct correspondence to Journal Production & Manufacturing Operations (see above).
Digital Object Identifier (DOI): The DOI identification system for digital media has been designed to provide persistent and reliable identification of digital objects. Information on the DOI and its governing body, the International DOI Foundation, can be found at http://www.doi.org. The DOI is prominently displayed on each published paper. Claims for Issues Not Received: Claims will be honored only if submitted within 90 days of the issue date for subscribers in North America or within 180 days of the issue date for all other subscribers. Contact Sales Analysis & Support. Tel (614) 447-3674 or (888) 338-0012; Fax (614) 447-5475; E-mail
[email protected].
Journal Policies: The American Chemical Society and its Editors assume no responsibility for the statements and opinions advanced by contributors. Registered names and trademarks, etc., Back Issue Orders: used in this publication, even without specific indication thereof, are not to be considered To order print copies of issues from January 2010 forward, click on the Table of unprotected by law. Contents link for the particular issue and click the green Order Print Issue button, or go to http://pubstore.acs.org/default.aspx. You will be directed to a site where you may Change of E-mail or Mailing Address: order print copies of participating journals. For members only, notify Subscription Services (see above). Include both old and new Bulk Reprint Orders: addresses. For information on ordering reprints, see the specific article on http://pubs.acs.org or New and Renewal Subscriptions: instructions at http://pubs.acs.org/page/copyright/permissions.html or contact Cierant Members send payment to American Chemical Society, P.O. Box 182426, Columbus, Corporation at (866)-305-0111 9am to 5pm EST. OH 43218-2426. Institutions send payment to American Chemical Society, P.O. Box Supporting Information (SI): 182977, Columbus, OH 43218-2977. SI from 1993 to present is available free of charge from the journal’s home page 2013 Subscription and Ordering Information: (http://pubs.acs.org/journal/jacsat). For information on electronic access, send e-mail to ACS members may purchase a Web subscription for $90. Contact Member Services (see
[email protected]. SI prior to 1995 is available for a fee, from Office of above). Institutional subscribers may contact Sales Analysis & Support (see above) for Society Services. Tel (800) 227-5558 (US); (202) 872-4600 (worldwide); Web and print subscription information. Fax (202) 872-6067; E-mail
[email protected].
Canadian GST Reg. No. 127571347 © Copyright 2013 American Chemical Society
EDITOR: PETER J. STANG
Department of Chemistry, University of Utah 315 South 1400 East, RM 2020, Salt Lake City, Utah 84112-0850 (801) 585-6415; Fax (202) 354-4650 or (866) 838-4931 E-mail
[email protected] MANAGING EDITOR Sonja Krane
ASSISTANT MANAGING EDITOR Lingling Chen
COORDINATING EDITOR
Katherine Snow (801) 585-6416; Fax (202) 354-4650 or (866) 838-4931; E-mail
[email protected] ASSOCIATE EDITORS
Eric V. Anslyn The University of Texas at Austin Tel (512) 471-9457 E-mail
[email protected] Martin Gruebele University of Illinois at Urbana-Champaign Tel (217) 766-6143 E-mail:
[email protected] Weston Thatcher Borden University of North Texas Tel (940) 565-3408 E-mail
[email protected] Sidney M. Hecht Arizona State University Tel (480) 965-2264 E-mail
[email protected] Benjamin F. Cravatt The Scripps Research Institute, Scripps California Tel (858) 412-7707 E-mail
[email protected] Paul Cremer The Pennsylvania State University Tel (979) 862-1605 E-mail
[email protected] Lyndon Emsley Université de Lyon, France Tel (202) 600-9651 E-mail
[email protected] Jean M. J. Fréchet King Abdullah University of Science and Technology, Saudi Arabia Tel (202) 684-3462 E-mail
[email protected] Joseph T. Hupp Northwestern University Tel (801) 585-6416 E-mail
[email protected] Taeghwan Hyeon Seoul National University, Korea Tel 82 2 880 7195 E-mail
[email protected] William D. Jones University of Rochester Tel (585) 275-8228 E-mail
[email protected] Stephen J. Lippard Massachusetts Institute of Technology Tel (617) 354-0273 E-mail
[email protected] Thomas E. Mallouk The Pennsylvania State University Tel (814) 865-4320 E-mail
[email protected] Klaus Müllen Max Planck Institute for Polymer Research, Mainz, Germany Tel (202) 580-8783 E-mail
[email protected] Eiichi Nakamura The University of Tokyo, Japan Tel 81 3 5841 4356 E-mail
[email protected] William R. Roush The Scripps Research Institute, Scripps Florida Tel (734) 529-2740 E-mail
[email protected] Alanna Schepartz Yale University Tel (203) 432-6052 E-mail
[email protected] Matthew S. Sigman University of Utah Tel (801) 585-7040 E-mail
[email protected] Donald G. Truhlar The University of Minnesota Tel (612) 624-7555 E-mail
[email protected] Gregory C. Fu California Institute of Technology Tel (919) 929-9401 E-mail
[email protected] Chad A. Mirkin Northwestern University Tel (847) 505-6895 Email
[email protected] Henry S. White University of Utah Tel (801) 585-7927 E-mail
[email protected] Miguel A. García-Garibay University of California, Los Angeles Tel (310) 825-1558 E-mail
[email protected] Jeffrey S. Moore University of Illinois at Urbana-Champaign Tel (217) 265-0204 E-mail
[email protected] Peidong Yang University of California, Berkeley Tel (510) 642-9991 E-mail
[email protected] Yitzhak Apeloig Technion—Israel Institute of Technology, Israel Jan-Erling Bäckvall Stockholm University, Sweden Chun-Li Bai Chinese Academy of Sciences, Beijing, China Gautam R. Desiraju Indian Institute of Science, India Cynthia M. Friend Harvard University Laura Gagliardi University of Minnesota Theodore Goodson, III University of Michigan Clare Grey University of Cambridge, United Kingdom Robert H. Grubbs California Institute of Technology
Sharon Hammes-Schiffer University of Illinois at Urbana-Champaign
EDITORIAL ADVISORY BOARD Barbara Imperiali Massachusetts Institute of Technology Paul Knochel Ludwig-Maximilians-Universität Munich, Germany Carmay Lim Academia Sinica, Taiwan E. W. “Bert” Meijer Eindhoven University of Technology, Netherlands Scott J. Miller Yale University Kyoko Nozaki The University of Tokyo, Japan Melanie S. Sanford University of Michigan
Richmond Sarpong University of California, Berkeley Helmut Schwarz Technische Universität Berlin, Germany Hanadi Sleiman McGill University, Canada Hiroshi Sugiyama Kyoto University, Japan Zhong-Qun Tian Xiamen University, China Li-Jun Wan Chinese Academy of Sciences, Beijing, China Karen L. Wooley Texas A&M University Omar M. Yaghi University of California, Berkeley Dongyuan Zhao Fudan University, Shanghai, China