Clever Geek Handbook
📜 ⬆️ ⬇️

Cobalt phosphides

Cobalt phosphides - inorganic compounds of cobalt and phosphorus metal, black or gray crystals.

Properties of cobalt phosphides
CompositionLike weightThe propertiesGetting
Co 2 P148.84d = 6.4 g / cm³, T pl. = 1384, gray crystals
rhombic syngony , space group P nma ,
cell parameters a = 0.567 nm, b = 0.3520 nm, c = 0.5638 nm, Z = 4
fourCo+2PI3→T2Co2P+3I2{\ displaystyle {\ mathsf {4Co + 2PI_ {3} \ {\ xrightarrow {T}} \ 2Co_ {2} P + 3I_ {2}}}} {\ displaystyle {\ mathsf {4Co + 2PI_ {3} \ {\ xrightarrow {T}} \ 2Co_ {2} P + 3I_ {2}}}}
Co 3 P 2238.75black powder3CoCl2+2PH3→TCo3P2+6HCl{\ displaystyle {\ mathsf {3CoCl_ {2} + 2PH_ {3} \ {\ xrightarrow {T}} \ Co_ {3} P_ {2} + 6HCl}}} {\ displaystyle {\ mathsf {3CoCl_ {2} + 2PH_ {3} \ {\ xrightarrow {T}} \ Co_ {3} P_ {2} + 6HCl}}}
Co 4 P 3328.65black powderfourCo+3P→500oC2CofourP3{\ displaystyle {\ mathsf {4Co + 3P \ {\ xrightarrow {500 ^ {o} C}} \ 2Co_ {4} P_ {3}}}} {\ displaystyle {\ mathsf {4Co + 3P \ {\ xrightarrow {500 ^ {o} C}} \ 2Co_ {4} P_ {3}}}}
Co 2 P 3210.79black crystals
CoP89.91black crystals of rhombic syngony ,
space group P nma ,

cell parameters a = 0.5066 nm, b = 0.3274 nm, c = 0.5588 nm, Z = 4

CoP 2120.88
CoP 3151.85


Literature

  • Chemical Encyclopedia / Editorial Board: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1990. - T. 2. - 671 p. - ISBN 5-82270-035-5 .
  • Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 2nd ed., rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.
  • Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
  • Ripan R., Chetyanu I. Inorganic chemistry. Chemistry of metals. - M .: Mir, 1972. - T. 2. - 871 p.


Source - https://ru.wikipedia.org/w/index.php?title= Cobalt phosphides&oldid = 80383168


More articles:

  • Vistyak, Ivan Kirillovich
  • Amelin, Stanislav Alexandrovich
  • Palm Aquarium
  • Litvinko, Alla Stepanovna
  • Belza, Vladislav
  • Popov, Vladimir Ivanovich
  • Bey, Vasily Ivanovich
  • Yaremenko, Peter Nikiforovich
  • Boeing BQ-7 Aphrodite
  • John-Kormyansky nunnery

All articles

Clever Geek | 2019