六水合物

例句：

1. 1. The crystal structure of the compoundis very complex and requires careful analysis.
   这种化合物的晶体结构非常复杂，需要仔细分析。
2. 2. The solubility of thiscompound in water is low, which makesit difficult to extract from the solid state.
   这种化合物在水中的溶解度很低，从固态提取时很困难。
3. 3. The discovery ofthis compound has significant implications for the fieldof materials science.
   这种化合物的发现对材料科学领域有着重要的影响。