三碘合铅(II)酸钾

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]

三碘合铅(II)酸钾
识别
CAS号 23892-89-9(无水)  checkY
36704-77-5(二水)  checkY
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。

四碘配合物K2[PbI4](CAS号:39135-62-1)也是已知的。[4]

参考文献

  1. ^ 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.
  2. ^ 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. (原始内容存档于2018-06-02). 
  3. ^ 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. (原始内容存档于2018-06-02). 
  4. ^ 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.