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假设在Ｎａ２ＺｎＣｌ４·３Ｈ２Ｏ：Ｍｎ２＋晶体中，处于Ｃ３轴上与Ｍｎ２＋发生作用的是Ｈ２Ｏ配体而非Ｃｌ－；用对角化能量矩阵的方法计算Ｄ、ａ和ｇ，以及单轴压力效应ｄＤ／ｄｐ和ｄａ／ｄｐ，结果与实验相当一致，表明：Ｈ２Ｏ取代Ｃｌ－的假设是合理的，晶体场理论对Ｎａ２ＺｎＣｌ４·３Ｈ２Ｏ：Ｍ同样适用．
Assuming that in the Na2ZnCl4 · 3H2O: Mn2 + crystal, the H2O ligand rather than Cl- acts on the C3 axis and on Mn2 +; D, a and g are calculated using the diagonal energy matrix and the uniaxial pressure effect dD / dp and da / dp. The results are in good agreement with the experimental results. It is shown that the assumption that H2O replaces Cl- is reasonable and that the crystal field theory is equally applicable to Na2ZnCl4 · 3H2O: M.