Dichlorobis(ethylenediamine)nickel(II)
| Identifiers | |
|---|---|
| Properties | |
| C8H32Cl4N8Ni2 | |
| Molar mass | 499.59 g·mol−1 |
| Density | 1.66 g/cm3 |
| Melting point | > (decomposes) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| |
Dichlorobis(ethylenediamine)nickel(II) is the inorganic compound with the formula Ni2Cl4(en)4, where en = ethylenediamine. It is a salt of the coordination complex [Ni2Cl2(en)4]2+ with chloride counterions. This blue solid is soluble in water and polar organic solvents. It is prepared by ligand redistribution from [Ni(en)3]Cl2 · 2 H2O and hydrated nickel chloride:[1]
- 2 [Ni(en)3]Cl2 + NiCl2 → 3 NiCl2(en)2
The rapid ligand redistribution is indicative of the kinetic lability characteristic of octahedral nickel(II) complexes.
References
- ^ State, Harold M. (1960). "Bis(Ethylenediamine)Nickel(II) Chloride". Inorganic Syntheses. 6: 198–199. doi:10.1002/9780470132371.ch63.
- ^ "Structural and magnetic properties of dimeric di-.mu.-chloro-tetrakis(ethylenediamine)dinickel(II) chloride". Inorganic Chemistry. 18: 804–808. 1979. doi:10.1021/ic50193a054.
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