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新型金属钼配合物^(13)C屏蔽张量的测量及计算

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摘要 通过固体核磁共振方法,测得了新型的手性八面体钼金属配合物的旋转边带完全分离的13C 2D-PASS谱图,进一步拟合旋转边带的强度,获得了各不等价位13C的屏蔽张量,讨论了抗衡阳离子对邻苯二酚合钼配位阴离子中13C的化学位移各向同性、屏蔽张量的影响,分析比较了抗衡阳离子中13C和邻苯二酚合钼配位阴离子中13C化学位移各向异性的大小.基于配合物的晶体结构,分别采用Hartree-Fock和DFT方法进行了量化计算,得到了13CNMR信息,并与实验测量值进行了比较,讨论了量化计算的有效性及误差来源.
出处 《中国科学(B辑)》 CAS CSCD 北大核心 2004年第1期8-15,共8页 Science in China(Series B)
基金 国家自然科学基金项目(批准号:20075034)
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参考文献10

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