Crystal and Molecular Structure of the Nitramino Derivatives of Tetrazole and 1,2,4-Triazole. III. 5-Nitraminotetrazole Lithium Salt Monohydrate |
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| Authors: | A D Vasiliev A M Astakhov M S Molokeev L A Kruglyakova A M Sirotinin and R S Stepanov |
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| Institution: | (1) L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russia;(2) Krasnoyarsk, Russia |
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| Abstract: | The structure of 5-nitraminotetrazole lithium salt monohydrate was determined by X-ray diffraction analysis. Crystals are monoclinic, space group P21/c; a = 8.3789(5), b = 10.1872(6), c = 6.6709(5)  ;  = 106.63(1)°; V = 545.60(98) 3; Z = 4;  calc = 1.875 g/cm3. The anion has a planar nitrimine structure with a delocalized negative charge. Each lithium cation (c.n. 5) is bound to three anions and two hydration water molecules. Both oxygen atoms of the nitro groups and the N(3) atom of the tetrazole ring are involved in cation coordination. The geometrical characteristics of the anion are similar to those found for other monosalts of 5-nitraminotetrazole. |
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| Keywords: | energetic compounds 5-nitraminotetrazole crystal structure |
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