Diniobium selenide

Diniobium selenide
Diniobium selenide
Are common
Systematic ; name	Diniobium selenide
Traditional names	Selenium niobium
Chem. formula	Nb 2 se
Physical properties
condition	crystals
Molar mass	264.77 g / mol
Density	7.9 g / cm³
Classification
Reg. CAS number	12503-17-2

Diniobium selenide is a binary inorganic compound of niobium and selenium with the formula Nb ₂ Se, crystals.

Content

Getting

Fusion of stoichiometric amounts of pure substances:

{\mathsf {2Nb+Se\ {\xrightarrow {1515^{o}C}}\ Nb_{2}Se}}

{\ displaystyle {\ mathsf {2Nb + Se \ {\ xrightarrow {1515 ^ {o} C}} \ Nb_ {2} Se}}}

Physical Properties

Diniobium selenide forms crystals of monoclinic syngony , space group C 2 / m , cell parameters a = 1.992 nm, b = 0.3422 nm, c = 0.9283 nm, β = 91.76 °, Z = 8 ^[1] .

Notes

↑ BR Conard, LJ Norrby, HF Franzen. The crystal structure of Nb ₂ Se // Acta Crystallographica Section B. - 1969. - T. B25 , No. 9 . - S. 1729-1736 . - DOI : 10.1107 / S0567740869004663 .

Literature

State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .

[1] BR Conard, LJ Norrby, HF Franzen. The crystal structure of Nb ₂ Se // Acta Crystallographica Section B. - 1969. - T. B25 , No. 9 . - S. 1729-1736 . - DOI : 10.1107 / S0567740869004663 .