By Ming Wah Wong (auth.), Ralf Steudel (eds.)
Despite greater than 2 hundred years of sulfur study the chemistry of elemental sulfur and sulfur-rich compounds continues to be packed with “white spots” that have to be stuffed in with strong wisdom and trustworthy facts. this case is parti- larly regrettable given that elemental sulfur is without doubt one of the most crucial uncooked - terials of the chemical produced in record-breaking amounts of ca. 35 million lots each year all over the world and as a rule used for the construction of sulfuric acid. thankfully, huge, immense growth has been made over the last 30 years within the realizing of the “yellow element”. because the results of wide inter- tional study actions sulfur has now develop into the point with the biggest variety of allotropes, the aspect with the biggest variety of binary oxides, and in addition the aspect with the most important variety of binary nitrides. Sulfur, a customary non-metal, has been discovered to turn into a steel at excessive strain and is even superconducting at 10 okay lower than a strain of ninety three GPa and at 17 ok at 260 GPa, respectively. this is often the top severe temperature of all chemical components. really, the pressure-temperature part diagram of sulfur is without doubt one of the most complex of all parts and nonetheless wishes additional investigation.
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Extra info for Elemental Sulfur und Sulfur-Rich Compounds II
W. Wong, Chem. Eur. J. 2002, 8, 217 136. C. Hiberty, S. Humbel, D. Danovich, S. Shaik, J. Am. Chem. Soc. de 2 Institut für Chemie, Sekr. de Abstract Molecular spectroscopy is one of the most important means to characterize the various species in solid, liquid and gaseous elemental sulfur. In this chapter the vibrational, UV-Vis and mass spectra of sulfur molecules with between 2 and 20 atoms are critically reviewed together with the spectra of liquid sulfur and of solid allotropes including polymeric and high-pressure phases.
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5 High-Pressure Studies . . . . . . Crystals of b-S8. . . . . . . . . Crystals of b-S8. . . . . . . . .