Friedrich, Ute and Korber, Nikolaus (2016) A Step in Between: [Sn3Bi3](5-) and Its Structural Relationship to [Sn3Bi5](3-) and [Sn4Bi4](4-). CHEMISTRYOPEN, 5 (4). pp. 306-310. ISSN 2191-1363,
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Extraction of RbSnBi in liquid ammonia yielded the cluster anion [Sn3Bi5](3-), which could be crystallized in the compound [Rb@[2.2.2]crypt](3)[Sn3Bi5]8.87NH(3). This anion is found to be derived from the formerly reported [Sn4Bi4](4-) by the formal substitution of one tin atom by bismuth. In contrast, the extraction of RbSn2/Rb3Bi2 in liquid ammonia yielded the anion [Sn3Bi3](5-) in the compound Rb-6[Sn3Bi3][Sn-4](1/4)6.75NH(3). The structural correlation of the two novel clusters indicates that [Sn3Bi3](5-) might be an intermediate of the reaction pathway to [Sn3Bi5](3-) and [Sn4Bi4](4-). Each cluster is investigated by means of the electron localization function and further characterization was performed by using ESI-MS.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | POST TRANSITION-METALS; ZINTL IONS; HETEROPOLYATOMIC ANIONS; INTERMETALLOID CLUSTERS; CRYSTAL-STRUCTURE; POLYANIONS; ELEMENTS; TERNARY; CAGE; ammonia; cage molecules; polyanions; tinbismuthide; Zintl anions |
| Subjects: | 500 Science > 540 Chemistry & allied sciences 600 Technology > 615 Pharmacy |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Arbeitskreis Prof. Dr. Nikolaus Korber |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 15 Mar 2019 11:09 |
| Last Modified: | 15 Mar 2019 11:09 |
| URI: | https://pred.uni-regensburg.de/id/eprint/3538 |
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