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. 2019 Oct 2;10:4482. doi: 10.1038/s41467-019-12487-w

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Isomerization reactions of cumulenes without aurophilic linkers. a Molecular structure of cis[3]-H and trans[3]-H cumulene isomers. b HPLC spectra for cis[3]-H collected after STM-BJ measurements of ~300 h in TD at 0.5 V (blue); the same solution kept outside the setup for the same amount of time (red); a 1:1 mixture of cis[3]-H and trans[3]-H (green). The signature peak of cis[3]-H and trans[3]-H is denoted by the red and blue stars, respectively