Pentaniobium tetraantimonide is a binary inorganic compound of niobium and antimony with the formula Nb 5 Sb 4 , crystals.
| Pentaniobium tetraantimonide | |
|---|---|
| Are common | |
| Systematic name | Pentaniobium tetraantimonide |
| Traditional names | Antimony niobium |
| Chem. formula | Nb 5 Sb 4 |
| Physical properties | |
| condition | crystals |
| Molar mass | 951.57 g / mol |
| Density | 8.17 g / cm³ |
| Thermal properties | |
| T. decomp. | 950 ° C |
| Classification | |
| Reg. CAS number | 12035-09-5 |
Content
Getting
- Fusion of pure substances in an inert atmosphere:
Physical Properties
Pentaniobium tetraantimonide forms tetragonal syngony crystals, space group I 4m , cell parameters a = 1.0314 nm, c = 0.35566 nm, Z = 2 [1] [2] .
At a temperature of 1.15 ÷ 4.2 K it goes into a superconducting state [3]
Notes
- ↑ Furuseth Sigrid, Kjekshus Arne. On the Arsenides and Antimonides of Niobium // Acta Chemica Scandinavica. - 1964 .-- T. 18 . - S. 1180-1195 . - DOI : 10.3891 / acta.chem.scand . 18-1180 .
- ↑ H. Boller, H. Nowotny. Kristallchemische Untersuchungen in Systemen (Ti, Nb, Ta, Mo, W) - (As, Sb) // Monatshefte für Chemie und verwandte Teile anderer Wissenschaften. - 1964. - T. 95 , No. 4-5 . - S. 1272-1282 . - DOI : 10.1007 / BF00904725 .
- ↑ Superconductors
Literature
- Chemical Encyclopedia / Redkol .: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1992. - T. 3. - 639 p. - ISBN 5-82270-039-8 .
- State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .