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- W1983773312 abstract "Durch Gas-Festkörper-Reaktion von N2O und Na2O läßt sich überraschend cis-Natriumhyponitrit darstellen. Auf der Basis der so erhaltenen reinen, gut kristallisierten Präparate gelang erstmals die eindeutige strukturelle Charakterisierung eines einfachen Salzes der cis-Hyposalpetrigen Säure. Gemäß der voraussetzungsfrei anhand von Pulverdaten durchgeführten Strukturbestimmung kristallisiert cis-Na2N2O2 monoklin (P21/c, a = 5,107(1); b = 9,211(1); c = 6,159(1) Å; β = 97,91(1)°; Z = 4). Die Resultate der spektroskopischen Untersuchungen (Schwingungsspektroskopie, 15N-MAS-NMR) stehen im Einklang mit der durch die Kristallstrukturanalyse ermittelten Symmetrie des cis-N2O22−-Anions. Präparate von cis-Na2N2O2, die auf verschiedenen Synthesewegen dargestellt wurden, zeigen auffallende Unterschiede in einigen chemischen und physikalischen Eigenschaften. To the Knowledge of cis-Sodium Hyponitrite Surprisingly, cis-sodium hyponitrite can be prepared by reacting gaseous N2O and solid Na2O. For the first time, the structure of a simple salt of cis hyponitrous acid has been determinated unambigously. According to an abinitio structure determination based on powder data, cis-Na2N2O2 crystallizes monoclinic (P21/c, a = 5.107(1); b = 9.211(1); c = 6.159(1) Å; β = 97.91(1)°; Z = 4). Results of spectroscopic investigations (vibrational spectroscopy, 15N-MAS-NMR) agree with the symmetry of the cis-N2O22− anion as it has been proved by the crystal structure. Consider able differences regarding some chemical and physical properties have been observed for samples of cis-Na2N2O2 synthesized via different routes." @default.
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- W1983773312 date "1997-11-01" @default.
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- W1983773312 title "Zur Kenntnis von cis-Natriumhyponitrit" @default.
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- W1983773312 doi "https://doi.org/10.1002/zaac.19976231124" @default.
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