Abstract
Single crystals of the 4,4’-diamoniumdiphenylmethan sulfate hydrate, denoted DDPS, were grown by slow evaporation solution technique at room temperature. The compound was characterized by single crystal X-ray diffraction, IR and thermal analysis (TG-DTA). It crystallizes in the monoclinic system (space group C2/c) with the following unit cell dimensions: a = 17.7635(10) A, b = 9.3796(10) A, c = 27.5676(10) A, β = 97.367(2), V = 4555.2(6) A. The structure was solved by the direct method and refined to final R value of 0.0472 for 2108 independent reflections. The anions are hydrogen bonded to each other, forming clusters [HS2O8]3﹣ parallel to the plan (a, b). The water molecules connect these clusters via O-H···O hydrogen bonds. The organic cations are attached to the clusters through N-H···O hydrogen bonds, forming an infinite three-dimensional network.
Highlights
The chemistry of hybrid materials has received an important growth in last two decades; it was an impressive area of research for many investigations in different field of sciences [1] [2] [3]
We report here the chemical preparation, crystallographic features, thermal behavior, and IR analysis of a new organic sulfate, (C13H16N2)1.5HSO4SO4·H1.5O
The structural study showed that the anionic groups SO4 and HSO4 are gathered by inter-anionic strong hydrogen bonds giving birth to clusters
Summary
The chemistry of hybrid materials has received an important growth in last two decades; it was an impressive area of research for many investigations in different field of sciences [1] [2] [3]. The morphologies or the length of sulfate groupments can give this chemistry its important feature; and the chemical identity of the organic group can profoundly influence the whole structure of these compounds [5]. The cohesion forces in these hybrid compounds are dominated by electrostatic interactions, Vander Waals contacts, and hydrogen bonds (O−H···O and N−H···O). These hydrogen bonds play an important role in the mechanism of association of molecules that either biological or not [9]. The present work continues a series of investigations into the factors influencing the dimensions of sulfate anion-organic cation interaction. We report here the chemical preparation, crystallographic features, thermal behavior, and IR analysis of a new organic sulfate, (C13H16N2)1.5HSO4SO4·H1.5O
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