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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 29, Number 3
BKCSDE 29(3)
March 20, 2008

Title	X-ray Crystal Structure and Luminescence Properties of Pd(II) and Pt(II) Complexes with Dithiopyrrole
Author	Jun-Gill Kang, Dong-Hee Cho, Changmoon Park, Sung Kwon Kang, In Tae Kim, Sang Woo Lee, Ha Hyeong Lee, Young Nam Lee, Dae Won Lim, Sung Jae Lee, Sung Ho Kim, Young Ju Bae
Keywords	Pt(II) bis(methylthio)pyrrole, Pd(II) bis(methylthio)pyrrole, X-ray structure, Luminescence
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 (λ_max = 525 nm) and the pyrrole π electron (λ_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 (λ_max = 618 nm) from the d* orbital of Pt resulted from excitation of the lone-pair electron of S.
Page	599 - 603
Full Text	PDF

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