Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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X-ray Crystal Structure and Luminescence Properties of Pd(II) and Pt(II) Complexes with Dithiopyrrole

  • Published : 2008.03.20
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Abstract

The complexes Pd(nbmtp)Cl2 and Pt(nbmtp)Cl2 (nbmptp = 1-nonyl-3,4-bis(methylthio)pyrrole) were prepared and their x-ray structures were determined at room temperature. The four-coordinated metal unit and the pyrrole ring formed a nearly planar geometry. The free ligand dissolved in CH2Cl2 produced two luminescence bands associated with the lone-pair electron of S (l max = 525 nm) and the pyrrole p electron (l max = 388 nm). When the two complexes were dissolved in CH2Cl2, these two luminescence bands were also observed, although the low-energy band was blueshifted. For the crystalline Pt(II) complex, only the strong charge transfer band (l max = 618 nm) from the d* orbital of Pt resulted from excitation of the lone-pair electron of S.

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  1. Crystal Structures and Luminescence Properties of Pd(II) and Pt(II) Complexes with 2,5-Bis(thiophene)-1-nonyl-3,4-bis(methylthio)pyrrole vol.30, pp.5, 2008, https://doi.org/10.5012/bkcs.2009.30.5.1157