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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 5
BKCSDE 30(5)
May 20, 2009

Title	Crystal Structures and Luminescence Properties of Pd(II) and Pt(II) Complexes with 2,5-Bis(thiophene)-1-nonyl-3,4-bis(methylthio)pyrrole
Author	Jun Gill Kang, Sung Il Oh, Dong Hee Cho, Min Kook Nah, Changmoon Park, Young Ju Bae, Woo Tack Han, Young Jin Park, Sang Woo Lee, In Tae Kim
Keywords	2,5-Bis(thiophen)-1-nonyl-3,4-bis(methylthio)pyrrole, Pt(II), Pd(II), X-ray structure, Luminescence
Abstract	Complexes of Pd(btnbmtp)Cl₂ and Pt(btnbmptp)Cl₂ (btnbmtp = 2,5-bis(thiophen)-1-nonyl-3,4-bis(methylthio)- pyrrole) were prepared and their crystal structures were determined at room temperature. In the structures, the two thiophene moieties lie in cis form with an average dihedral angle of 55.26^o to the pyrrole frame. The luminescence properties of the free ligand and the complexes were investigated in solution and solid states. The luminescence of the compounds were not favored by substituting thiophene moieties to the pyrrole frame, compared to the unsubstituted nbmptp (nbmptp = 1-nonyl-3,4-bis(methylthio)pyrrole). In particular, thiophene substitution quenched the emission from the complexes dissolved in CH₂Cl₂ and reduced the charge transfer transitions from S atoms of the thio moieties to Pt in crystalline state, which was very characteristic of Pt(nbmptp)Cl₂.
Page	1157 - 1163
Full Text	PDF

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