Тетрасульфид трицерия

Тетрасульфид трицерия
Общие
Систематическое
наименование
Тетрасульфид трицерия
Традиционные названия Сернистый церий
Хим. формула Ce3S4
Физические свойства
Состояние кристаллы
Молярная масса 548,61 г/моль
Плотность 5,6 г/см³
Термические свойства
Температура
 • плавления 2050 °C
Классификация
Рег. номер CAS 12185-95-4
Приведены данные для стандартных условий (25 °C, 100 кПа), если не указано иное.

Тетрасульфид трицерия — бинарное неорганическое соединение церия и серы с формулой Ce3S4, кристаллы.

Получение

  • Нагревание стехиометрических количеств чистых веществ:

Физические свойства

Тетрасульфид трицерия образует кристаллы кубической сингонии, пространственная группа I 43d, параметры ячейки a = 0,86351 нм, Z = 4, структура типа тетрафосфида тритория Th3P4 [1][2].

Соединение конгруэнтно плавится при температуре 2050°C.

Примечания

  1. Диаграммы состояния двойных металлических систем / Под ред. Н. П. Лякишева. — М.: Машиностроение, 1996. — Т. 1. — 992 с. — ISBN 5-217-02688-X.
  2. B. Predel. Ce-S (Cerium-Sulfur) // Landolt-Börnstein - Group IV Physical Chemistry. — 1993. — Т. 5c. — С. 1-2. — doi:10.1007/10086082_850.

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