Платинаскандий

Платинаскандий
Общие
Систематическое
наименование		 Платинаскандий
Традиционные названия Скандийплатина
Хим. формула PtSc
Рац. формула ScPt
Физические свойства
Состояние кристаллы
Молярная масса 240,03 г/моль
Плотность 11,3 г/см³
Термические свойства
Температура
 • плавления ≈2200 °C
Энтальпия
 • образования -238 [1] кДж/моль
Приведены данные для стандартных условий (25 °C, 100 кПа), если не указано иное.

Платинаскандий — бинарное неорганическое соединение платины и скандия с формулой ScPt, кристаллы.

Получение

  • Сплавление стехиометрических количеств чистых веществ:

Физические свойства

Платинаскандий образует кристаллы кубической сингонии, пространственная группа P m3m, параметры ячейки a = 0,3270 нм, Z = 1, структура типа хлорида цезия CsCl [2][3].

Соединение конгруэнтно плавится при температуре ≈2200°С [2].

Примечания

  1. ↑ Gus L. W. Hart, Stefano Curtarolo, Thaddeus B. Massalski, Ohad Levy. A high-throughput ab initio review of platinum-group alloy systems // Phys. Rev. X. — 2013. — Т. 3. — С. 041035. — doi:10.1103/PhysRevX.3.041035. Архивировано 8 августа 2022 года.
  2. ↑ 1 2 Диаграммы состояния двойных металлических систем / Под ред. Н. П. Лякишева. — М.: Машиностроение, 2000. — Т. 3 Книга 2. — 448 с. — ISBN 5-217-02932-3.
  3. ↑ B. Predel. Pt-Sc (Platinum-Scandium) // Landolt-Börnstein - Group IV Physical Chemistry. — 1998. — Т. 5I. — С. 1-2. — doi:10.1007/10542753_2522.


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