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Tristannide pentaneodymium

Pentaneodim tristannide ( triolopentaneodim ) is a binary inorganic compound of neodymium and tin with the formula Nd 5 Sn 3 , crystals.

Tristannide pentaneodymium
Are common
Systematic
name
Tristannide pentaneodymium
Chem. formulaNd 5 Sn 3
Rat formulaSn 3 Nd 5
Physical properties
conditioncrystals
Molar mass1077.33 g / mol
Density7.2 g / cm³
Thermal properties
T. melt.1660 ° C
Classification
Reg. CAS number12210-25-2
PubChem
Smiles
Inchi

Getting

  • Fusion of stoichiometric amounts of pure substances:
fiveNd+3Sn→1660oCNdfiveSn3{\ displaystyle {\ mathsf {5Nd + 3Sn \ {\ xrightarrow {1660 ^ {o} C}} \ Nd_ {5} Sn_ {3}}}}  

Physical Properties

Pentaneodymium tristannide forms hexagonal crystals, space group P 6 3 / mcm , cell parameters a = 0.9208 nm, c = 0.6717 nm, Z = 2, pentamanganese trisilicide type structure Mn 5 Si 3 [1] [2] [ 3] .

The compound melts congruently at a temperature of 1660 ° C [1] .

It is a metamagnet with a Néel temperature of 40 K [4] .

Notes

  1. ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .
  2. ↑ B. Predel. Nd-Sn (Neodymium-Tin) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5H . - S. 1-2 . - DOI : 10.1007 / 10522884_2230 .
  3. ↑ H. Okamoto. Comment on Nd-Sn (neodymium-tin) // Journal of Phase Equilibria. - 1994. - T. 15 , No. 5 . - S. 569-570 . - DOI : 10.1007 / BF02649425 .
  4. ↑ F. Weitzer, K. Hiebl, P. Rogl. Crystal chemistry and magnetism of neodymium stannides including compounds of the structural series RE n Sn 3n − 2 // Journal of Solid State Chemistry. - 1992. - T. 98 , No. 2 . - S. 291-300 . - DOI : 10.1016 / S0022-4596 (05) 80237-3 .



Source - https://ru.wikipedia.org/w/index.php?title=Tristannid_pentaneodymium&oldid=80382875


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