Influence of fluorine substitution on the properties of metal chelate compounds—I Copper(II) chelates of bidentate ligands
作者:R. Linn Belford、A.E. Martell、M. Calvin
DOI:10.1016/0022-1902(56)80100-0
日期:1956.1
β-diketones and their copper(II) chelates are presented and discussed in relation to the structure of these molecules. Infrared assignments are made. The 300-mμ bands of the metal chelates are shown to be shifted enolate ion absorptions. The order of magnitude and direction of those shifts are predicted correctly by a simple molecular orbital-electrostatic calculation. Visible chelate spectra are correlated
提出并讨论了六个β-二酮及其铜(II)螯合物的紫外,可见和红外吸收光谱,并与这些分子的结构有关。进行红外分配。金属螯合物的300-mμ谱带显示为偏移的烯醇盐离子吸收。通过简单的分子轨道静电计算可以正确预测这些位移的大小和方向。可见的螯合光谱与螯合剂的性质相关。相关性与晶体场理论的预测一致。完整描述了大多数研究物质的制剂,以及制剂引起的一些问题。