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X-ray diffraction study on A NiBr2 aqueous solution. Experimental evidence of the Ni(II)Br contacts

1982; Elsevier BV; Volume: 89; Issue: 2 Linguagem: Inglês

10.1016/0009-2614(82)83384-8

1873-4448

Ruggero Caminiti, P. Cucca,

Chemical Thermodynamics and Molecular Structure

N1Br2 aqueous solution of concentration 2.0 M has been investigated by X-ray diffraction. The experimental correlation function shows four main peaks, centered at about 2.05, 2.65, 3.20 and 4.10 A. The existence of the peak at 2.65 Å shows the presence in solution of the complex Ni(H2O)5Br+ together with Ni(H2O)2+6. For the Br− ion, octahedral coordination is confirmed.