Synthesis, Crystal Structure, and Characterization of a New Adduct 3-Ammoniumphenyl Sulfone Dihydrogenphosphate Phosphoric Acid [C₁₂H₁₄N₂SO₂](H₂PO₄)₂H₃PO₄

Molecular-Level Investigation of Hydrate–Anhydrous Phase Transformations of the Dapsone Structurally Related Compound 3,3′-Diaminophenyl Sulfone

“…The overall shape adopted by the 3APS molecule in the hemihydrate species well compares with that observed in the anhydrous crystal forms: in all cases, the two −NH 2 groups are trans disposed with respect to the molecular backbone (Figure 1 right). Interestingly, this conformation is the only one observed in structures, deposited in the CSD, containing neutral 3APS molecules, 15,16,18,20 while in structures containing protonated 3APS molecules, [13][14][15]19,21 only the cis disposition has been found. The angle (α) formed by the mean planes defined by the nonhydrogen atoms of the aromatic moieties in all four investigated 3APS solid forms is comparable to (see Table S2) and in agreement with the structural data deposited in the CSD for the fragment SO 2 (C 6 H 2 R 1 R 2 R 3 ) 2 (only organic, 3D coordinates determined; no ortho substituents, acyclic sulfur).…”

“…The overall shape adopted by the 3APS molecule in the hemihydrate species well compares with that observed in the anhydrous crystal forms: in all cases, the two −NH 2 groups are trans disposed with respect to the molecular backbone (Figure right). Interestingly, this conformation is the only one observed in structures, deposited in the CSD, containing neutral 3APS molecules, ,,, while in structures containing protonated 3APS molecules, − ,, only the cis disposition has been found.…”

“…18 3APS crystallizes in the space group P2 1 /c, with one independent molecule in the asymmetric unit (3APS_Am, hereafter). A search in the Cambridge Structural Database (CSD) also shows other forms containing neutral or protonated 3APS molecules: two anhydrous salt-cocrystals (RAFDUZ 14 and VEWFEK 15 ), a true salt (IYIVIY), 19 a true solvate (RIZDEK), 20 and two hybrid organic−inorganic compounds (SUWVOY 21 and TEGGUK 13 ).…”

“…For example, 3APS (as well as dapsone) silver coordination polymers show luminescent properties, so they are of interest because of their potential applications in chemical sensors, photochemistry, and electroluminescent displays . Other applications of 3APS vary from the preparation of analogues of Congo red and hybrid organic–inorganic materials. − …”

Physico-chemical study of new supramolecular-architectured hybrid organic–inorganic sulfates incorporating diammoniumdiphenylsulfone cations

“…A series of different organic-inorganic materials (namely 3-ammoniumphenylsulfone selenate, 3-aminophenylsulfone, 3-ammoniumphenylsulfone dihydrogenphosphate phosphoric acid and bis(3-ammoniumphenyl)sulfone dinitrate) were rstly obtained with Mahroug et al in the period of 2011-2013. [29][30][31] By 2017, Kessentini et al had also conrmed the formation of an organic-inorganic 3,3 0 -(DDS)SnCl 6 hybrid system stabilized by different types of hydrogen bonding that are distinguished by their interesting electric properties. 32 Hence, we report here the synthesis, detailed crystallographic analysis, vibrational study, description of the thermal behavior and the optical properties of two new hybrid organicinorganic salts, namely 4,4 0 -diammoniumdiphenylsulfone sulfate (4,4 0 -DDS-S) and 3,3 0 -diammoniumdiphenylsulfone sulfate (3,3 0 -DDS-S).…”