E´tude the´orique de la conformation de la 1,1-dime´thylhydrazine et du complexe (CH3)2N-NH2 · BF3 |
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| Authors: | Marcel Graffeuil Jean-François Labarre Claude Leibovici Eliane Taillandier |
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| Institution: | Laboratoire de Chimie de Coordination Associe´au C.N.R.S., Universite´Paul Sabotier, 38 rue des 36 Ponts, 31400 Toulouse France;Socie´te´Nationale des Pe´troles d''Aquitaine, Avenue du Pre´sident Angot, 64000 Pau France;Laboratoire des Recherches Physiques, Faculte´s Sciences, Tour 22, 9, quai Saint Bernard, 75005 Paris France |
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| Abstract: | CNDO/2 calculations are performed in order to determine the preferred conformations of 1,1-dimethylhydrazine and 1,1-dimethylhydrazine-boron trifluoride complex. In each case, the calculations reveal the existence of an equilibrium between gauche and trans forms (25 % of trans form in the free molecule, 65 % in the complex). In agreement with experiment, the results confirm that BF3 is attached to the nitrogen atom bearing the methyl groups. |
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