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Consecutive oxidative additions of iodine on undulating 2D coordination polymers: formation of I–Pt–I chains and inhomogeneous layers

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Abstract

The 2D coordination polymers, [Mn(salen)]2[PtII(CN)4]1−x[PtIV(CN)4(I2)]x (salen = N,N’-ethylenebis(salicylideneaminato), x = 0.18 (1), 0.45 (2), 0.85 (3)), have been synthesized via consecutive oxidative additions of iodine to the 2D undulating layers in [Mn(salen)]2[PtII(CN)4]. The presence of I–Pt–I chains perpendicular to the layers and the inhomogeneity of individual I–Pt–I sites were demonstrated. The I–Pt–I chains in 3 give rise to an absorption band involving the excitation that arises from an antibonding nature orbital to the corresponding bonding nature orbital between iodides in the I–Pt–I bridging units. Moreover, variable-temperature X-ray powder diffraction patterns and Raman spectra for 1 and 2 indicate that some I–Pt–I sites display different vibrational energies that are associated with the contraction of the zigzag 2D layers.

Graphical abstract: Consecutive oxidative additions of iodine on undulating 2D coordination polymers: formation of I–Pt–I chains and inhomogeneous layers

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Publication details

The article was received on 22 Nov 2018, accepted on 24 Dec 2018 and first published on 27 Dec 2018


Article type: Paper
DOI: 10.1039/C8DT04624G
Citation: Dalton Trans., 2019, Advance Article
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    Consecutive oxidative additions of iodine on undulating 2D coordination polymers: formation of I–Pt–I chains and inhomogeneous layers

    R. Ohtani, R. Yamamoto, H. Ohtsu, M. Kawano, J. Pirillo, Y. Hijikata, M. Sadakiyo, L. F. Lindoy and S. Hayami, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C8DT04624G

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