Crystals of (NH3OH)(3)GaF6 have been isolated from aqueous solution. T
he compound crystallizes triclinic, with cell parameters a = 6.539(5)
Angstrom, b = 6.924(5) Angstrom, c = 9.403(1) Angstrom, alpha = 87.01(
9)degrees, beta = 83.98(8)degrees, gamma = 70.28(8)degrees. The therma
l decomposition was studied by TG and DSC analysis.