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Structure and Spectroscopic Behaviour of Adduct of 2,6-dichloro-4-nitrophenol with 2,4,6-trimethylpyridine

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Majerz I., Sawka-Dobrowolska W., Sobczyk L.

Acta Physica Polonica A

1995

vol. 88

issue 2

349-357

2,4,6-trimethylpyridinium 2,6-dichloro-4-nitrophenolate crystallizes in monoclinic system, space group Ρ2_{1}/c, a = 7.534(2), b = 26.673(5), c = 8.452(2) Å, β = 116.16(3)°, Z = 4. The planar molecules are arranged in the lattice as antiparallel oriented pairs with the symmetry centre. The O^{-}···Η-Ν^{+} hydrogen bonds are relatively long, 2.686(4) Å. The C-O bond length, 1.250(4) A, indicates an extended charge separation. The IR and UV-VIS spectra in KBr pellets confirm the ion pairs to be present in the solid state.

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1 Acta Physica Polonica A

1 1995

1 Majerz I.

1 Sawka-Dobrowolska W.

1 Sobczyk L.

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Structure and Spectroscopic Behaviour of Adduct of 2,6-dichloro-4-nitrophenol with 2,4,6-trimethylpyridine