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Citation: Wang Ke-Zhi, Huang Chun-Hui, Weng Shi-Fu, Xu Guang-Xian, Han Yu-Zhen, He Cun-Heng, Zheng Qi-Tai. Study on Synergistic Extracted Complex——The Synthesis, Characterizaton and Crystal Structure of Bis (1-Pnenyl-3-Methyl-4-Trifluoroacetyl-Pyrazolone-5)Mono (1,10-Phenanthroline) Cobalt (II)[J]. Acta Physico-Chimica Sinica, ;1989, 5(01): 20-26. doi: 10.3866/PKU.WHXB19890106 shu

Study on Synergistic Extracted Complex——The Synthesis, Characterizaton and Crystal Structure of Bis (1-Pnenyl-3-Methyl-4-Trifluoroacetyl-Pyrazolone-5)Mono (1,10-Phenanthroline) Cobalt (II)

1.
Research Centre of Rare Earth Chemistry, Peking University; Institute of Physical Chemistry, Peking Univ.; Beijing Medical Institute of Academia Sinica

Received Date: 14 July 1987
Available Online: 15 February 1989

A synergistic extracted complex of bis-(1-phenyl-3-methyl-4-trifluoroacetylpyrazolone-5) mono (1,10-phenanthroline) eobalt(Ⅱ) has been synthesized and studied by solubility, conduetometric method, magnetometry, IR, far-IR, thermo analysis as well as single crystal X-ray diffractometry.
The crystal and molecular structure of the complex was determined by single crystal X-ray diffraction analysis and refined by full-matrix least square to a value of R 0.0716. The complex crystallizes in space group P2_1/c with a=1.0422(3) nm, b=1.6462(2) nm, c=2.0678(3) nm, β=75.86(1)°, V=3.4402(1.6) nm, Z=4, F(000)=1580, d_(calc)=1.50 g cm~(-3), d_(exp.)=1.492 g cm~(-3).
The metal atoms occupy general position in crystal. The crystal is composed of mononuclear complexes containing a six-coordinate cobalt (II) ions. Each PMTFP group coordinates to the central ion through two oxygen atoms bidentately. The phen molecule coordinates through its two nitrogen atoms bond lengths are 0.203, 0.204, 0.205, 0.210 nm for cotalt-oxygen, and 0.212 0.216 nm for cotalt-nitrogen.
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