The reaction of NH4Cl with SO3: Two modifications of (NH4)[SO3Cl]

The reaction of NH4Cl with SO3: Two modifications of (NH4)[SO3Cl]

The reaction of NH4Cl with SO3 leads to the chlorosulfate (NH4)[SO3Cl]. Depending on the reaction temperature two different modifications are obtained. At 80 °C the orthorhombic modification (NH4)[SO3Cl]‐I is obtained (Pbca, Z=16, a=1078.03(4), b=911.55(3), c=1915.32(6), Vm=70.85 cm3/mol), at 120 °C...

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Veröffentlicht in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2022-12, Vol.648 (24), p.n/a
Hauptverfasser: Zimmermann, Vanessa, Schindler, Lisa V., Gerven, David, Wickleder, Mathias S.
Format: Artikel
Sprache:eng
Schlagworte:
Ammonium chloride
Chemical bonds
chlorosulfonates
Chlorosulfonic acid
DFT calculations
Raman spectroscopy
Sulfur trioxide
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Zusammenfassung:The reaction of NH4Cl with SO3 leads to the chlorosulfate (NH4)[SO3Cl]. Depending on the reaction temperature two different modifications are obtained. At 80 °C the orthorhombic modification (NH4)[SO3Cl]‐I is obtained (Pbca, Z=16, a=1078.03(4), b=911.55(3), c=1915.32(6), Vm=70.85 cm3/mol), at 120 °C monoclinic (NH4)[SO3Cl]‐II forms (P21/c, Z=8, a=846.19(3), b=590.30(2), c=852.29(7) pm, β=100.516(10)°, Vm=68.48 cm3/mol). The observed bonds in the chlorosulfate anion are compared to the few know compounds of this type and to theoretical values based on DFT calculations.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.202200238