Hexatitan Pentastannide

Hexatitan Pentastannide
Hexatitan Pentastannide
General
Systematic ; name	Hexatitan Pentastannide
Chem. formula	Ti 6 Sn 5
Rat formula	Sn 5 Ti 6
Physical properties
condition	crystals
Molar mass	880.75 g / mol
Density	6.9 g / cm³
Thermal properties
T. melt.	1490 ° C
Enthalpy of Education	-43.4 kJ / mol
Enthalpy of melting	24.4 kJ / mol
Classification
Reg. CAS number	12166-63-1

Hexatitan pentastannide is a binary intermetallic inorganic compound, titanium and tin intermetallic compound with the formula Ti ₆ Sn ₅ , crystals.

Content

1 Receiving
2 Physical properties
3 notes
4 Literature

Getting

Fusion of stoichiometric amounts of pure substances:

{\mathsf {6Ti+5Sn\ {\xrightarrow {1490^{o}C}}\ Ti_{6}Sn_{5}}}

{\ displaystyle {\ mathsf {6Ti + 5Sn \ {\ xrightarrow {1490 ^ {o} C}} \ Ti_ {6} Sn_ {5}}}}

Physical Properties

Hexatitan pentastanide forms hexagonal crystals, space group P 6 ₃ / mmc , cell parameters a = 0.922 nm , c = 0.569 nm , Z = 2 , structure of the hexatorium pentastanide type Th ₆ Sn ₅ ^[3] .

At a temperature of 790 ° C, a transition to the rhombic syngony phase occurs, space group I mmm , cell parameters a = 1.6930 nm , b = 0.9144 nm , c = 0.5735 nm , Z = 4 , structure like pentastannide hexatorium Th ₆ Sn ₅ (or hexaniobium pentastannide Nb ₆ Sn ₅ ) ^[3] ^[4] .

The compound melts congruently at a temperature of 1490 ° C ^[3] (according to other sources, 1476 ° C ^[2] or 1493 ° C ^[5] ).

Notes

↑ Meschel SV, Kleppa OJ. Standard enthalpies of formation of some 3d, 4d and 5d transition-metal stannides by direct synthesis calorimetry // Thermochimica Acta. - 1998. - T. 314 , No. 1-2 . - S. 205212 .
↑ ¹ ² P. Franke, D. Neuschütz. Sn-Ti // Landolt-Börnstein - Group IV Physical Chemistry. - 2006. - T. 19B4 . - S. 1-4 . - DOI : 10.1007 / 10757285_77 .
↑ ¹ ² ³ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
↑ B. Predel. Sn-Ti (Tin-Titanium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998. - T. 5 J. - S. 1-3 . - DOI : 10.1007 / 10551312_2766 .
↑ Chunlei Liu, Ulrich E. Klotz, Peter J. Uggowitzer, Jörg F. Löffler. Thermodynamic Assessment of the Sn – Ti System // Monatshefte für Chemie / Chemical Monthly. - 2005. - T. 136 , No. 11 . - S. 1921-1930 . - DOI : 10.1007 / s00706-005-0392-x .

Literature

Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 2nd ed., rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.

[1] Meschel SV, Kleppa OJ. Standard enthalpies of formation of some 3d, 4d and 5d transition-metal stannides by direct synthesis calorimetry // Thermochimica Acta. - 1998. - T. 314 , No. 1-2 . - S. 205212 .

[Franke-2] ¹ ² P. Franke, D. Neuschütz. Sn-Ti // Landolt-Börnstein - Group IV Physical Chemistry. - 2006. - T. 19B4 . - S. 1-4 . - DOI : 10.1007 / 10757285_77 .

[Лякишев-3] ¹ ² ³ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .

[4] B. Predel. Sn-Ti (Tin-Titanium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998. - T. 5 J. - S. 1-3 . - DOI : 10.1007 / 10551312_2766 .

[5] Chunlei Liu, Ulrich E. Klotz, Peter J. Uggowitzer, Jörg F. Löffler. Thermodynamic Assessment of the Sn – Ti System // Monatshefte für Chemie / Chemical Monthly. - 2005. - T. 136 , No. 11 . - S. 1921-1930 . - DOI : 10.1007 / s00706-005-0392-x .