Publication | Closed Access
Catenated and spirocyclic polychalcogenides from potassium carbonate and elemental chalcogens
18
Citations
25
References
2019
Year
The reaction of potassium carbonate with elemental sulfur or selenium in acetone in the presence of [PPN]Cl (PPN = (Ph<sub>3</sub>P)<sub>2</sub>N) produces catena-[S<sub>12</sub>]<sup>2-</sup>, the longest structurally characterised polysulfide dianion, or spiro-[Se<sub>11</sub>]<sup>2-</sup> as ion-separated [PPN]<sup>+</sup> salts.
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