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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Oxygen versus nitrogen interactions in lithium dinitramidate dihydrate and pyridinium dinitramidate.

The title compounds, diaquadinitramidatolithium(I), [Li(N3O4)(H2O)2], (I), and pyridinium dinitramidate, C5H6N+ x N3O4(-), (II), differ significantly in their cation-anion contacts. The Li+ atom of (I) is coordinated by two O atoms of the dinitramide anion in a chelate and by four additional water molecules, with the Li and central N atom of the anion on a twofold rotation axis. The pyridinium cation of (II) exhibits a contact with the dinitramide anion via an intermolecular N-H...N hydrogen bridge. These interactions are compared with those found in reported anhydrous lithium dinitramide and ammonium dinitramide salts.[1]

References

  1. Oxygen versus nitrogen interactions in lithium dinitramidate dihydrate and pyridinium dinitramidate. Klapötke, T.M., Krumm, B., Scherr, M. Acta. Crystallogr. C (2008) [Pubmed]
 
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