crystallizes in the monoclinic space group C2/c and II in the orthorhombic space group Pna21. Both structures are made up of MoO6 octahedra and SO4 tetrahedra and contain layers of eight- and four-membered rings of alternating, corner-sharing octahedra and tetrahedra. These layers are linked (also via Mo–S bridges) to form a three-dimensional framework. The MoO6 octahedra are rather distorted, as demonstrated
α-的MoO之间的反应3或的MoO 3 ·0.43H 2 O和65-95重量%的H 2 SO 4从室温直至研究以该酸的沸点。四个新的化合物,的MoO 2(SO 4),(修改我,II 和III)和的MoO 2(SO 4)·H 2 SO 4 ·H 2 O,已经分离取决于H 2 SO 4浓度,反应温度,反应时间和
钼源。这些相的表征通过粉末X射线衍射,热重分析,差热分析,
化学分析和密度测量进行。两种原料都与
硫酸反应,并在高于约200 ℃的温度下形成MoO 2(SO 4)II。75℃。该化合物在反应混合物中不稳定,并 根据时间和温度转化为MoO 2(SO 4)I或III。MoO 2(SO 4)具有吸湿性,并针对I和II 修饰物在
潮湿空气中的分解进行了研究。在加热时,的MoO的所有修改2(SO 4)分解成α-的MoO 3或α-的MoO的混合物3 和β-的MoO 3取决于加热速率和样本大小。I 和II的