1-苯基-3-甲基-4-三氟乙酰基吡唑酮-5(HPMTFP)与铜(II)配合物的晶体结构

THE CRYSTAL STRUCTURE OF Cu(Ⅱ)-1-PHENYL-3-METHYL-4-TRIFLUOROACETYL-PYRAZOL-5-ONE

用ENRAF-NONIUS CAD4型四圆衍射仪测定了Cu(PMTFP)_2单晶的衍射数据,并进行了结构分析。结果证实:铜处于配合物分子的对称中心,且与两个螯合剂分子中的四个氧原子键合,形成接近正方形的四配位结构;螯合剂分子中的所有原子都近乎在同一平面上;配合物分子以范德华力相互作用形成晶体。

The crystal structure of Cu(PMTFP)_2 was determined on an ENRAF-NONIUSCAD4 diffractometer. The structure was solved by Patterson method and refinedwith full-matrix least-squares procedure to R=0.080. The investigation confirmsthat Cu (II) is at a position of symmetry center and is coordinated by fouroxygen atoms of two chelating agents forming a square-planar with slight devi-ation. All atoms of chelating agent are approximately located in the same plane.The coordination units are linked one another by Van der Waals interactions.