The results show that the title compound is stable; the cis configuration has intramolecular hydrogen bond while trans configuration dose not.
结果表明标题化合物稳定，顺式构型分子内有氢键，反式则没有。
H atom of phenolic hydroxyl in the ligand was attractive to N atom forming intramolecular hydrogen bond, and a new six-membered ring was formed by the hydrogen bond connection.
配体中酚羟基上的H原子与N原子相吸形成了分子内氢键，并以氢键连接构成了一个新六元环。
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