Comment on "Synthesis and characterization of the pentazolate anion <i>cyclo</i>-N<sub>5</sub><sup>-</sup> in (N<sub>5</sub>)<sub>6</sub>(H<sub>3</sub>O)<sub>3</sub>(NH<sub>4</sub>)<sub>4</sub>Cl".
other · Level V
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- Record sourced from PubMed, PMID 29590051.
- Also identified by DOI 10.1126/science.aao3672.
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Abstract
Zhang <i>et al</i> (Reports, 27 January 2017, p. 374) reported synthesis of a <i>cyclo</i>-N<sub>5</sub><sup>-</sup> ion putatively stabilized in a solid-state salt by hydrogen bonding from surrounding counterions. We performed theoretical calculations suggesting that HN<sub>5</sub> would be favored over the anion in the reported pentazolate salt via proton transfer.