Platinum (II) iodide is an inorganic compound, the salt of platinum metal and hydroiodic acid with the formula PtI 2 , black crystals, does not dissolve in water.
| Platinum iodide | |
|---|---|
| Are common | |
| Systematic name | Platinum Iodide (II) |
| Traditional names | Platinum iodide |
| Chem. formula | PtI 2 |
| Physical properties | |
| condition | black crystals |
| Molar mass | 448.89 g / mol |
| Density | 6,403 g / cm³ |
| Thermal properties | |
| T. | 325; 327; 360 ° C |
| Classification | |
| Reg. CAS number | |
| Pubchem | |
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Content
Getting
- Heating platinum (II) chloride with potassium iodide :
- {\ displaystyle {\ mathsf {PtCl + 2KI \ {\ xrightarrow {T}} \ PtI_ {2} + 2KCl}}}
Physical Properties
Platinum (II) iodide forms black crystals of several modifications:
- α-PtI 2 , cubic syngony , cell parameters a = 1.109 nm, Z = 12;
- β-PtI 2 , monoclinic syngony , space group P 2 1 / c , cell parameters a = 0.663 nm, b = 0.874 nm, c = 0.690 nm, β = 102.6 °.
Not soluble in water, ethanol , acetone , ether , dissolved in ethylamine and hydrogen iodide .
Chemical Properties
- Decomposes when heated:
Literature
- Chemical Encyclopedia / Redkol .: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1992. - Vol. 3. - 639 p. - ISBN 5-82270-039-8 .
- Chemist Handbook / Redkol .: Nikolsky B.P. et al. - 3rd ed., Rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- Ripan R., Chetyanu I. Inorganic chemistry. Metal Chemistry. - M .: Mir, 1972. - T. 2. - 871 p.
- Manual on inorganic synthesis: B 6 tons / Ed. Brower G. .. - M .: Mir, 1985. - V. 5. - 360 p.