3.2.6. Synthesis of Cu[CH3C(CH2OH)3]2{CuMo6O16(OH)2[CH3C(CH2O)3]2}·6H2O (**6**)

To a stirred solution of CuCl2·2H2O (0.34 g, 2.00 mmol) and CH3C(CH2OH)3 (0.48 g, 4.00 mmol) in water (20 mL), MoO3 (0.86 g, 12.00 mmol) was added. The pH of the resulting solution was adjusted to 3~4 by the concentrated HCl. After heating the mixture to 80 ◦C for 2 h, a blue solution was obtained using hot filtration, which generates blue crystals in several days. Elemental analysis calcd. (%) for Cu[CH3C(CH2OH)3]2{CuMo6O16(OH)2[CH3C(CH2O)3]2}·6H2O (Mw = 1575.36 g mol<sup>−</sup>1): C 15.25%, H 3.58%, Cu 8.07%, and Mo 36.54%; found C 15.58%, H 3.65%, Cu 8.14%, and Mo 36.55%.
