Трипалладийгептагаллий

Трипалладийгептагаллий
Общие
Систематическое
наименование		 Трипалладийгептагаллий
Традиционные названия Гептагаллийтрипалладий
Хим. формула Pd3Ga7
Рац. формула Ga7Pd3
Физические свойства
Состояние кристаллы
Молярная масса 807,32 г/моль
Плотность 7,9 г/см³
Термические свойства
Температура
 • разложения 460°C[1]
Классификация
Рег. номер CAS 73157-02-5
Приведены данные для стандартных условий (25 °C, 100 кПа), если не указано иное.

Трипалладийгептагаллий — бинарное неорганическое соединение палладия и галлия с формулой Ga7Pd3, кристаллы.

Получение

  • Сплавление стехиометрических количеств чистых веществ:

Физические свойства

Трипалладийгептагаллий образует кристаллы кубической сингонии, пространственная группа I m3m, параметры ячейки a = 0,876 нм, Z = 4, структура типа гептастаннида трииридия Ir3Sn7 [1][2][3].

Соединение образуется по перитектической реакции при температуре 460 °C[1].

Примечания

  1. ↑ 1 2 3 Диаграммы состояния двойных металлических систем / Под ред. Н. П. Лякишева. — М.: Металлургия, 1997. — Т. 2. — 1024 с. — ISBN 5-217-01569-1.
  2. ↑ H. Okamoto. Ga-Pd (Gallium-Palladium) // Journal of Phase Equilibria and Diffusion. — 2008. — Т. 29, № 5. — С. 466-467. — doi:10.1007/s11669-008-9363-3.
  3. ↑ B. Predel. Ga-Pd (Gallium-Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. — 1996. — Т. 5f. — С. 1-3. — doi:10.1007/10501684_1387.

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