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钨酸盐.
钨酸盐是指钨(VI)的含氧酸盐,其最常见的形式是WO42-。钨还能够形成多酸盐,如[W4O16]8-、[W7O24]6-、[H2W12O40]6-等。钨和大部分元素(如PV、AsV、MnII、MnIII、CeIV等)可以形成杂多酸盐。[1]
钨酸盐可以在自然界中以矿物的形式存在,如白钨矿(CaWO4)[2]、钨铁矿(FeWO4)[3]等。
常见化合物
常见的钨酸盐有:
- 仲钨酸铵 - (NH4)10(H2W12O42)·4H2O
- 钨酸钠 - Na2WO4
- 钨酸钾 - K2WO4
取代钨酸盐
钨酸盐中的氧可以被过氧根取代,形成过氧钨酸盐,如黄色的W(O2)42-等。[1]硫或硒逐个至完全取代的硫(硒)代钨酸盐也是已知的,例如Cs2WSe4。[4]而碲代钨酸盐的报道很少。[5]
参考文献
- ^ 1.0 1.1 申泮文 等. 无机化学丛书 第八卷 钛分族 钒分族 铬分族. 科学出版社, 2011. pp 425-440
- ^ Scheelite (页面存档备份,存于互联网档案馆). MinDat. [2017-2-1]
- ^ Ferberite (页面存档备份,存于互联网档案馆). MinDat. [2017-2-1]
- ^ E Diemann, A Müller. Thio and seleno compounds of the transition metals with the do configuration. Coordination Chemistry Reviews, 1973. 10(1-2): 79–122. 10.1016/S0010-8545(00)80232-5
- ^ Henri Brunner, Joachim Wachter, Robert Wanninger, et al. Synthesis and X-ray Structure of [{(Cp′2Nb)2WTe4}⋅W(CO)4]·1.5C7H8, the First Organometallic Derivative of the WTe42− Anion, and of [Cp′4Nb2Te2] (Cp′ = η5-tBuC5H4). European Journal of Inorganic Chemistry, 2001. 5: 1151-1154. DOI: 10.1002/1099-0682(200105)2001:5<1151::AID-EJIC1151>3.0.CO;2-#
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