三碘合铅(II)酸钾
外观
三碘合铅(II)酸钾 | |
---|---|
识别 | |
CAS号 | 23892-89-9(无水) 36704-77-5(二水) |
性质 | |
化学式 | KPbI3 |
外观 | 亮黄色晶体(二水)[1] 浅黄色针状晶体(二水)[2] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
三碘合铅(II)酸钾是一种配位化合物,化学式为K[PbI3]。其二水合物可由含10 g碘化铅和30 g碘化钾的水溶液(30 mL)由70~80 °C缓慢冷却得到。[1]二水合物属Pnma空间群,与相应的铵盐和铷盐同构,在空气中稳定,303 K以上逐渐失水。[3]
四碘配合物K2[PbI4](CAS号:39135-62-1)也是已知的。[4]
参考文献
- ^ 1.0 1.1 Nardelli, Mario; Cavalca, Luigi; Braibanti, Antonio. Structure of lead potassium iodide dihydrate, KPbI3·2H2O. Ricerca sci.', 1956. 26. 1886-1887. CAN51: 3985.
- ^ D. Bedlivy, K. Mereiter. The structures of potassium lead triiodide dihydrate and ammonium lead triiodide dihydrate. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 1980-04-15, 36 (4): 782–785 [2020-12-26]. doi:10.1107/S0567740880004529.
- ^ D. Bedlivy, K. Mereiter. The structures of potassium lead triiodide dihydrate and ammonium lead triiodide dihydrate. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 1980-04-15, 36 (4): 782–785 [2020-12-26]. doi:10.1107/S0567740880004529.
- ^ Voloshinovskii, A. S.; Myagkota, S. V.; Gloskovsky, A. V. Luminescence-kinetic properties of Pb-based microcrystals embedded in AI (A = Cs, Rb, K) matrices. Zhurnal Fizichnikh Doslidzhen, 2000. 4 (3): 335-341. ISSN: 1027-4642.