二硫化铅
| 二硫化铅 | |
|---|---|
| |
| IUPAC名 lead(IV) sulfide[来源请求] | |
| 别名 | lead disulfide |
| 识别 | |
| CAS号 | 12137-74-5 
|
| 性质 | |
| 化学式 | PbS2 |
| 摩尔质量 | 271.332 g·mol⁻¹ |
| 结构[1] | |
| 晶体结构 | Rhombohedral, hP3 |
| 空间群 | P3m1, No. 164 |
| 晶格常数 | a = 3.89 Å, c = 5.91 Å |
| 晶格常数 | α = 90°, β = 90°, γ = 120° |
| 配位几何 | Octahedral (Pb4+) |
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |
二硫化铅是一种无机化合物，化学式为PbS2。这种物质可由硫化铅与硫在600°C以上高压加热制得。[2]PbS2与二硫化锡（SnS2）类似，晶型为碘化镉型，因此可以证明铅是+4价的。[1]
参考资料
- ^ 1.0 1.1 Silverman, M. S. High-pressure (70-kilobar) Synthesis of New Crystalline Lead Dichalcogenides. Inorganic Chemistry. 1966, 5 (11): 2067–9. doi:10.1021/ic50045a056.
- ^ Silverman, M. S. High-pressure (70-kilobar) Synthesis of New Crystalline Lead Dichalcogenides. Inorganic Chemistry. 1966, 5 (11): 2067–9. doi:10.1021/ic50045a056.
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