1. Materials And Corrosion-werkstoffe Und Korrosion

Internet Archive BookReader Handbuch der anorganischen Chemie Internet Archive BookReader Handbuch der anorganischen Chemie.

Sulfur tetrachloride is an inorganic compound with chemical formula SCl₄. It has only been obtained as an unstable pale yellow solid. The corresponding SF₄ is a stable, useful reagent.

Preparation and structure[edit]

It is obtained by treating sulfur dichloride with chlorine at 193 K:

It melts with simultaneous decomposition above −20 °C.^[1]

Its solid structure is uncertain. It is probably the salt SCl₃⁺Cl⁻, since related salts are known with noncoordinating anions.^[2][3] In contrast to this tetrachloride, SF₄ is a neutral molecule.^[4]

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Reactions[edit]

It decomposes above −30 °C (242 K) to sulfur dichloride and chlorine.

It hydrolyzes readily:

Sulfur tetrachloride reacts with water, producing hydrogen chloride and sulfur dioxide through the hydrolysis process. Thionyl chloride is an implied intermediate.^[5]

• Oxidized by nitric acid:

References[edit]

1. ^Georg Brauer: Handbuch der Präparativen Anorganischen Chemie. (in German)
2. ^Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN978-0-08-037941-8.
3. ^Christian, Beverly H.; Collins, Michael J.; Gillespie, Ronald J.; Sawyer, Jeffery F. 'Preparations, Raman spectra, and crystal structures of (SCl₃)(SbCl₆), (SeCl₃)(SbCl₆), (SBr_1.2Cl_1.8)(SbCl⁶), (TeCl₃)(AlCl₄) (triclinic modification), (TeCl₃)(SbF₆), (TeCl₃)(AsF₆), and (TeF₃)₂(SO₄)' Inorganic Chemistry 1986, volume 25, 777-88. doi:10.1021/ic00226a012
4. ^Goettel, J. T., Kostiuk, N. and Gerken, M. (2013), The Solid-State Structure of SF₄: The Final Piece of the Puzzle . Angew. Chem. Int. Ed., 52: 8037–8040. doi:10.1002/anie.201302917
5. ^Holleman-Wiberg, Lehrbuch der Anorganischen Chemie, 101. Auflage, de Gruyter Verlag 1995 ISBN3-11-012641-9(in German)

Materials And Corrosion-werkstoffe Und Korrosion

Georg Karl Brauer (born 11. April 1908 in Bochum, died 26. February 2001 in Freiburg im Breisgau) was a German chemist.^[1]

Life[edit]

Brauer was the son of the chemist Eberhard Brauer and Elisabeth Brauer, a daughter of Wilhelm Ostwald.^[1][2] From 1926 to 1932, Brauer studied in Leipzig and Freiburg. He received his doctorate under supervison of Eduard Zintl in Freiburg in 1933.^[1][3] In 1941, he received is habilitation at the TH Darmstadt.^[1] In 1946, he became a extraordinary professor in Freiburg.^[1] From 1959 to 1976, he was a full professor.^[1] Starting in 1976, he was a emeritus professor.^[1]

Research[edit]

Brauer's research included the chemistry and crystal chemistry of intermetallic compounds and alloys.^[4][5] He investigated binary systems of transition metals, in particular of oxides, nitrides, carbides, and hydrides of niobium, tantalum, and vanadium.^[4][6][7] His research also focused on oxides of rare-earth metals.^[4][8] Many new compounds and several new structure types (Li₃N,^[9] Li₃Bi, Al₃Zr, ThSi₂, NbO) were discovered during this research.^[4]

Awards[edit]

In 1971, he received the Lebeau medal.^[1]

Publications[edit]

Georg Brauer was the editor of the 'Handbook of Preparative Inorganic Chemistry'.^{[10][11][12][1]}

References[edit]

1. ^ ^abcdefghi''Brauer, Georg Karl', in: Hessische Biografie (Stand: 9.10.2017)'. www.lagis-hessen.de. Retrieved 2018-12-29.
2. ^'Elisabeth Ostwald'. www.wilhelm-ostwald.de. Retrieved 2018-12-29.
3. ^Werner, Helmut. Geschichte der anorganischen Chemie: Die Entwicklung einer Wissenschaft in Deutschland von Döbereiner bis heute. Weinheim. ISBN9783527339075. OCLC962751045.
4. ^ ^abcd'Brauer Georg Karl - Detailseite - LEO-BW'. www.leo-bw.de. Retrieved 2018-12-29.
5. ^Zintl, E.; Brauer, G. (1933). 'Über die Valenzelektronenregel und die Atomradien unedler Metalle in Legierungen'. Zeitschrift für Physikalische Chemie. 20B (1): 245–271. doi:10.1515/zpch-1933-2023. ISSN0942-9352.
6. ^Brauer, Georg (1941). 'Die Oxyde des Niobs'. Zeitschrift für Anorganische und Allgemeine Chemie (in German). 248 (1): 1–31. doi:10.1002/zaac.19412480101. ISSN1521-3749.
7. ^Brauer, Georg; Jander, Jochen (1952). 'Die Nitride des Niobs'. Zeitschrift für Anorganische und Allgemeine Chemie (in German). 270 (1–4): 160–178. doi:10.1002/zaac.19522700114. ISSN1521-3749.
8. ^Brauer, G.; Gradinger, H. (1954). 'Über heterotype Mischphasen bei Seltenerdoxyden. II. Die Oxydsysteme des Cers und des Praseodyms'. Zeitschrift für Anorganische und Allgemeine Chemie (in German). 277 (1–2): 89–95. doi:10.1002/zaac.19542770110. ISSN1521-3749.
9. ^Zintl, E; Brauer, Georg (February 1935). 'Konstitution des Lithiumnitrids'. Zeitschrift für Elektrochemie und Angewandte Physikalische Chemie. 41: 102. doi:10.1002/bbpc.19350410209 (inactive 2019-02-14).
10. ^Brauer, Georg (1963). Handbook of Preparative Inorganic Chemistry V1 (2nd ed.). Burlington: Elsevier Science. ISBN9780323161275. OCLC843200092.
11. ^Brauer, Georg (1965). Handbook of Preparative Inorganic Chemistry V2 (2nd ed.). Burlington: Elsevier Science. ISBN9780323161299. OCLC843200097.
12. ^Hrsg. von Georg Brauer unter Mitarbeit von Marianne Baudler (1975). Handbuch der präparativen anorganischen Chemie / 1 (3., umgearb. Aufl ed.). Stuttgart: Enke. ISBN978-3432023281. OCLC310719485.