Ni 3 Cl 2.1 (OH) 3.9 ·4H 2 O is obtained from aqueous solutions of NiCl 2 and NaOH at 40 °C for three months, and characterized by powder XRD, SEM, and IR spectroscopy.Bette, SebastianInst. Anorg. Chem., Bergakad. Freiberg, D‐09596 Freiberg, GermanyDinnebier, Robert E....
The potassium‐bearing structure is isostructural to K 2 Co 3 (OH) 2 (SO 4 ) 3 · 2(H 2 O). The sodium compound has a similar crystal structure, where the bigger potassium ion is replaced by sodium ions and twice as many water molecules. Geometry optimization of the hydrogen ...