Synthesis and Structure of 4-(4-Nitro-1,2,5-Oxadiazol-3- y1) -NNO-azoxyl-1,2,5-Oxadiazol-3-Amine.
NEW ORLEANS UNIV LA DEPT OF CHEMISTRY
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The synthesis of the energetic compound 4-4-NITRO-1,2,5-OXADIAZOL-3-YL-NNO-azoxyl-1,2,5-oxadiazol-3-amine 3 was achieved in two steps from diaminofurazan 1. Compound 3 was characterized by X-ray diffraction. From the X-ray structure a bifurcated intramolecular H-bond between O2- H2- N4 was observed. In addition, intramolecular H-bonding was observed between H1 and N7 of an adjacent molecule. One molecule of ethanol and one-half molecule of water per molecule of water of 3 was observed in the crystal lattice. However, no H-bonding was observed between the solvent molecules and 3 in the crystal lattice. Despite the presence of solvent in the crystal lattice, 3 was found to have a high crystal density d 1.856 gcu cm.
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