432 



18 



kkl 



111(1) 



100(2) 



110(2) 



113(1) 



111(2) 



Calculated density =3.62. 

 Spacing: Jioo = 6.47 ±0.01 A. U. 

 Stractnre: NaCl grouping. 



Potassium chloride 

 It has been shown that potassium chloride has the same structure 

 as sodium chloride.^ The length of the side of the unit cell is givea 



as~6.26 A. U. 



Potassiitm bromide 



Calculated intensity 

 NaCl ZnS 



grouping grouping 



9,030 55,900 



55,000 4,830 



48,500 48,500 



32,900 2,890 



26,800 26,800 



Calculated intensity 



NaCl ZnS 



grouping grouping 



40,700 111,800 



97,700 21,800 



86,700 86,700 



26,400 72,500 



35,600 7,940 



chloride 



Calculated intensity 



NaCl ZnS 



grouping grouping 



54,800 7,530 



48,400 48,400 



19,950 2,740 



32,900 4,520 



