Smith, Graham, Wermuth, Urs D. (2018) Proton-transfer compounds featuring the unusual 4-arsonoanilinium cation from the reaction of (4-aminophenyl)arsonic acid with strong organic acids. Zeitschrift für Kristallographie - Crystalline Materials, 233 (2) 145-151 doi:10.1515/zkri-2017-2087
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Proton-transfer compounds featuring the unusual 4-arsonoanilinium cation from the reaction of (4-aminophenyl)arsonic acid with strong organic acids | ||
| Journal | Zeitschrift für Kristallographie - Crystalline Materials | ||
| Authors | Smith, Graham | Author | |
| Wermuth, Urs D. | Author | ||
| Year | 2018 (February 23) | Volume | 233 |
| Issue | 2 | ||
| Publisher | Walter de Gruyter GmbH | ||
| DOI | doi:10.1515/zkri-2017-2087Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 118087 | Long-form Identifier | mindat:1:5:118087:3 |
| GUID | 0 | ||
| Full Reference | Smith, Graham, Wermuth, Urs D. (2018) Proton-transfer compounds featuring the unusual 4-arsonoanilinium cation from the reaction of (4-aminophenyl)arsonic acid with strong organic acids. Zeitschrift für Kristallographie - Crystalline Materials, 233 (2) 145-151 doi:10.1515/zkri-2017-2087 | ||
| Plain Text | Smith, Graham, Wermuth, Urs D. (2018) Proton-transfer compounds featuring the unusual 4-arsonoanilinium cation from the reaction of (4-aminophenyl)arsonic acid with strong organic acids. Zeitschrift für Kristallographie - Crystalline Materials, 233 (2) 145-151 doi:10.1515/zkri-2017-2087 | ||
| In | (2018, February) Zeitschrift für Kristallographie - Crystalline Materials Vol. 233 (2) Walter de Gruyter GmbH | ||
| Abstract/Notes | AbstractThe crystal structures of the 1:1 proton-transfer compounds of (4-aminophenyl)arsonic acid (p-arsanilic acid) with the strong organic acids, 2,4,6-trinitrophenol (picric acid), 3,5-dinitrosalicylic acid, (3-carboxy-4-hydroxy)benzenesulfonic acid (5-sulfosalicylic acid) and toluene-4-sulfonic acid have been determined at 200 K and their hydrogen–bonding patterns examined. The compounds are, respectively, anhydrous 4-arsonoanilinium 2,4,6-trinitrophenolate (1), the hydrate 4-arsonoanilinium 2-carboxy-4,6-dinitrophenolate monohydrate (2), the hydrate 4-arsonoanilinium (3-carboxy-4-hydroxy)benzenesulfonate monohydrate (3) and the partial solvate 4-arsonoanilinium toluene-4-sulfonate 0.8 hydrate (4). The asymmetric unit of2, a phenolate, comprises two independent but conformationally similar cation-anion pairs and two water molecules of solvation, and in all compounds, extensive inter-species hydrogen–bonding interactions involving arsono O–H···O and anilinium N–H···O hydrogen–bonds generate three-dimensional supramolecular structures. In the cases of1and2, the acceptors include phenolate and nitro O-atom acceptors, with3and4, additionally, sulfonate O-atom acceptors, and with the hydrates2–4, the water molecules of solvation. A feature of the hydrogen–bonding in3is the presence of primary chains extending along (010) through centrosymmetric cyclicR22(8) motifs together with conjoined cyclicR34(12) motifs, which include the water molecule of solvation. The primary hydrogen–bonding in the substructure of4involves homomolecular cation–cation arsono O–H···O interactions forming columns down the crystallographic four-fold axis of the unit cell. | ||
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