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Science 6 January 1967:
Vol. 155. no. 3758, pp. 79 - 80
DOI: 10.1126/science.155.3758.79
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Articles

Pressure-Induced Phase of Sulfur-Selenium

S. Geller 1 and M. D. Lind 1

1 North American Aviation Science Center, Thousand Oaks, California

Crystals of a fibrous phase of sulfur-selenium obtained at 20 kilobars and 280°C are trigonal, the most probable space groups being P31 and P32, with a = 7.85, c = 4.62 ± 0.01 Å. The unit cell contains nine atoms, and the measured density of 3.20 g/cm3 implies five sulfur and four Se atoms. The structure contains mixed atom helices of 1.54 Å pitch and 0.91 Å average radius.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Pressure-Induced Te7S10: A Cocrystallization of Sulfur and Tellurium Helices.
S. Geller (1968)
Science 161, 290-291
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Science. ISSN 0036-8075 (print), 1095-9203 (online)