Hanauer, Tobias and Aschenbrenner, Juergen C. and Korber, Nikolaus (2006) Dimers of heptapnictide anions: As-14(4-) and P-14(4-) in the crystal structures of [Rb(18-crown-6)](4)As-14 center dot 6NH(3) and [Li(NH3)(4)](4)P-14 center dot NH3. INORGANIC CHEMISTRY, 45 (17). pp. 6723-6727. ISSN 0020-1669,
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Compounds [Rb(18-crown-6)](4)As(14)(.)6NH(3) (1) and [Li(NH3)(4)](4)(P14NH3)-N-. (2) were prepared by the reaction of Rb4As6 with SbPh3 and 18-crown-6 and by the reduction of white phosphorus with elemental lithium in liquid ammonia, respectively. Both were characterized by low-temperature single-crystal X-ray structure analysis. They were found to contain the C-i symmetrical Pn(14)(4-) anion (Pn = P, As), which consists of two nortricyclane-like Pn(7)-cages connected by a single bond. Molecular complexes of [Rb(18-crown-6)(NH3)](2)[Rb(18-crown-6)](2)As-14 are formed in 1, which are connected to fanfold sheets via N-H center dot center dot center dot O bonds. The anion is isolated in 2, and N-H center dot center dot center dot N bonds result in the formation of {[Li(NH3)(4)](mu-NH3)(2)[Li(NH3)(4)]}(2+) cationic complexes.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | LOW-TEMPERATURE MODIFICATION; GE-9(4-) ZINTL ANIONS; VIBRATIONAL-SPECTRA; POLYPHOSPHIDES; HEPTAARSENIDE; PHOSPHIDES; CHEMISTRY; AS-7(3-); CLUSTERS; P-11(3-); |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Arbeitskreis Prof. Dr. Nikolaus Korber |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 03 Feb 2021 10:47 |
| Last Modified: | 03 Feb 2021 10:47 |
| URI: | https://pred.uni-regensburg.de/id/eprint/34158 |
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