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Blachnik R, Kurz G, Wickel U. Zwei neue Tetraphosphor-trichalkogeno-diiodide α′-P4Se3I2 und α′-P4S3I2 / Two New Tetraphosphorus-trichalcogeno-diiodies α′-P4Se3I2 and α′-P4S3I2. Zeitschrift für Naturforschung B 2014. [DOI: 10.1515/znb-1984-0614] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
α′-P4Se3I2 and α′-P4S3I2 were prepared by the reaction of P4S3 (P4Se3) with I2 in the molten state. The structure of α′-P4Se3I2 was determined. The compound crystallizes in the tetragonal space group I4̄2d with a - 1200.5(2) pm, c = 1518.8(4) pm, and eight molecules per unit cell. The structure was refined with 814 of 1402 observed reflections to a conventional residual of R = 0.045. One half of a molecule is forming the asymmetric unit. α′-P4S3l2 is isotypic with the lattice parameters a = 1182.2(2) pm and c = 1496.8(4) pm. 31P NMR data confirm that both modifications have the same bicyclic molecular structure in solution as in the solid state and form an AA′BB′ system. Evidence is presented that the α-isomer is stabilized by the formation of two additional weak P-X bonds in this molecule.
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Affiliation(s)
- R. Blachnik
- Anorganische Chemie, F. B. Biologie—Chemie, Universität Osnabrück, D-4500 Osnabrück
| | - G. Kurz
- Anorganische Chemie, F. B. Chemie—Biologie, Universität-GH-Siegen. D-5900 Siegen
| | - U. Wickel
- Anorganische Chemie, F. B. Chemie—Biologie, Universität-GH-Siegen. D-5900 Siegen
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Blachnik R, Hoppe A, Rabe U, Wickel U. Käfigverbindungen im System P4S3-As4S3 / Cage Compounds in the System P4S3-AS4S3. Zeitschrift für Naturforschung B 2014. [DOI: 10.1515/znb-1981-1202] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Mixtures of P4S3 and As4S3 were investigated. The system reveals a broad metastable region of solid solubility. At the composition PAs3S3 new structures are obtainable after various thermal treatments. In the mixtures six different cage molecules (P4-xAsxS3 (x=1−3)) were found. PAs3S3 is the most stable of the mixed cages. At higher temperature a plastic-crystalline modification, at the composition PAs3S3 two further high temperature modifications are observed. NMR and mass spectra, and d-values of the modifications are reported, and the high temperature behaviour of all mixed cages is described.
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Affiliation(s)
- R. Blachnik
- Anorganische Chemie FB 8, Universität Siegen, Adolf-Reichwein-Straße, D-5900 Siegen 21
| | - A. Hoppe
- Anorganische Chemie FB 8, Universität Siegen, Adolf-Reichwein-Straße, D-5900 Siegen 21
| | - U. Rabe
- Anorganische Chemie FB 8, Universität Siegen, Adolf-Reichwein-Straße, D-5900 Siegen 21
| | - U. Wickel
- Anorganische Chemie FB 8, Universität Siegen, Adolf-Reichwein-Straße, D-5900 Siegen 21
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Oko?ska-Koz?owska I, Wickel U, Lutz HD. Festk�rperreaktionen in Chalkogenidsystemen. VII. Rasterelektronenmikroskopische Untersuchungen der Festk�rperreaktion zwischen Cadmiumsulfid und Chromsulfid. Z Anorg Allg Chem 1984. [DOI: 10.1002/zaac.19845130621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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