- A linear-chain silver(I) coordination polymer with tetrakis(isopropylthio)-p-benzoquinone
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The silver(I) complex of tetrakis(isopropylthio)-p-benzoquinone (tpq), catena-poly[silver(I)-μ-[2,3,5,6-tetrakis (isopropylthio)-p-benzoquinone-S2,S3:S5,S 6]] perchlorate acetone solvate, {[Ag(C18H28S4O2)]CIO 4·-C3H6O}n, has been prepared and the molecular structure determined. The silver ion prefers a tetrahedral coordination geometry comprising four S atoms from two different tpq molecules, giving a linear-chain structure of alternating metal cations and organic ligands. Also, the four isopropyl groups of the tpq molecule lie in the perpendicular direction of the plane of the benzoquinone ring.
- Suenaga, Yusaku,Kuroda-Sowa, Takayoshi,Maekawa, Masahiko,Munakata, Megumu
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- Electron Transfer and Ion Pairing, 7. Contact Ion Pairs of Sulfur-Containing Radical Anions
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The structurally different radical anions M(-) of peralkylated 1-sila-2,5-diazacyclopentane-3,4-dithione and of tetrakis(isopropylthio)-p-benzoquinone are generated by reduction with potassium/2.2.2-cryptand under aprotic conditions in THF solution.On addition of Li(+)B(C6H5)4(-), both form hitherto elusive sulfur-containing contact ion pairs, which are characterized by their ESR/ENDOR spectra. - Keywords: Contact Ion Pairs, ESR, ENDOR and Triple Spectra, Reduction of 1-Sila-2,5-diazacyclopentane-3,4-dithione and of Tetrakis(isopropylthio)-p-benzoquinone
- Bock, Hans,Haenel, Peter,Herrmann, H.-F.,Dieck, Heindirk tom
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p. 1240 - 1246
(2007/10/02)
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