Tripalladium heptainindium is a binary inorganic compound of palladium and indium with the formula In 7 Pd 3 , crystals.
| Tripalladium heptainindium | |
|---|---|
| Are common | |
| Systematic name | Tripalladium heptainindium |
| Traditional names | Heptindium tripalladium |
| Chem. formula | Pd 3 In 7 |
| Rat formula | In 7 Pd 3 |
| Physical properties | |
| condition | crystals |
| Thermal properties | |
| T. decomp. | 676 ° C |
| Enthalpy of melting | -6.8 [1] kJ / mol |
| Classification | |
| Reg. CAS number | 37249-92-6 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Tripalladium heptainindium forms crystals of cubic syngony , space group I m 3 m , cell parameters a = 0.94359 nm, Z = 4, structure like heptastannide triiridium Ir 3 Sn 7 [2] [3] [4] [5] [6] [ 7] [1] .
The compound is formed by a peritectic reaction at a temperature of 676 ° C. Previously, the formula In 3 Pd was attributed to this phase [1] .
Notes
- ↑ 1 2 3 P. Franke, D. Neuschütz. In-Pd (Indium - Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. - 2007.- T. 19B5 . - S. 1-4 . - DOI : 10.1007 / 978-3-540-45280-5_78 .
- ↑ Hans Flandorfer. Phase relationships in the In-rich part of the In – Pd system // Journal of Alloys and Compounds. - 2002. - T. 336 , No. 1–2 . - S. 176-180 . - DOI : 10.1016 / S0925-8388 (01) 01859-X .
- ↑ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .
- ↑ Holger Kohlmann, Clemens Ritter. Refinement of the Crystal Structures of Palladium-rich In-Pd Compounds by X-Ray and Neutron Powder Diffraction // Z. Naturforsch .. - 2007.- T. 62b . - S. 929–934 .
- ↑ B. Predel. In - Pd (Indium - Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. - 2013 .-- S. 222 . - DOI : 10.1007 / 978-3-642-24778-1_142 .
- ↑ H. Okamoto. In-Pd (Indium-Palladium) // Journal of Phase Equilibria. - 2003. - T. 24 , No. 5 . - S. 481 . - DOI : 10.1361 / 105497103770330235 .
- ↑ B. Predel. In-Pd (Indium-Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5G . - S. 1-4 . - DOI : 10.1007 / 10506626_1749 .