Due to its high reactivity, vinylidene — the sole 'electron-precise' isomer of acetylene — is only known to exist in the gas phase. Now, a stable base-free digermanium version of a vinylidene has been isolated by the clever use of suitable substituents.
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Scheschkewitz, D. Heavyweight isomer brings stability. Nature Chem 8, 993–995 (2016). https://doi.org/10.1038/nchem.2654
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DOI: https://doi.org/10.1038/nchem.2654
