| The transition me(?)al O,O'- di-substituent dithiophosphates and their mixed complexeswith neutral ligands have been synthesized by the main reactants of P2S5 and alcohol orphenols through solid-liquid phase and solid-solid phase reactions. The transition metalO,O'- di-substituent dithiophosphates and their mixed complexes were characterized byinfrared spectra, ultraviolet-visible spectrophotometry analysis, Raman spectrscopicanalysis, cyclic voltammetry and thermal analysis. Single crystals have been determined bymeans of X-ray single crystal diffraction. Three structures of mixed complexes werereported. The main results were studied as follows: [Co( Ⅱ )(iPr2-DTP)2(Phen)] crystallizesin the monoclinic crystal system, space group P21/c, with unit cell parameters a = 1.4728(3)nm, b = 1.1428(2) nm, c = 1.8718(4) nm, α = 90°, β = 93.91(3)°, γ = 90°. The calculateddensity is 1.407 Mg/m3 for Z = 4 molecules per unit. [Co(Ⅱ )(nPr2-DTP)2(Phen)]crystallizes in the tri clinic crystal system, space group P-1, with unit cell parameters a =1.0722 nm, b = 1.1442 nm, c = 1.4760 nm, α = 77.48°, β= 72.34°, γ = 68.23°. Thecalculated density is 1.389 Mg/m3 for Z = 2 molecules per unit. [Co(Ⅱ)(iPr2-DTP)2(2,2'-biPy)] crystallizes in the monoclinic crystal system, space group P21/c,with unit cell parameters a = 0.9222 (18) nm, b = 3.1392(6) nm, c = 1.2140(5) nm, α = 90°,β = 114.95(2)°, γ = 90°. The calculated density is 1.338 Mg/m3 for Z = 4 molecules perunit. For the three complexes, each cobalt atom is coordinated through four S atoms fromDTP groups and two N atoms from 2,2'-biPy or Phen. The chromophore of CoN2S4 is adistorted octahedral geometry. |
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