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Synthèse Et Détermination de la Structure Pardiffraction Des Rayons X

Synthèse Et Détermination de la Structure Pardiffraction Des Rayons X

          
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About the Book

Dans ce travail, nous utilisons l'acide aminé L-thréonine comme liant et l'ion Ni+2 comme métal de transition pour obtenir le cristal de L-thréonine complexé avec le Ni. Pour obtenir ces cristaux, nous avons utilisé la méthode de croissance par évaporation lente, où une solution contenant de la L-thréonine et du NiCl2.6H2O dans la proportion molaire (2:1) plus NaOH, pour laisser le pH basique, est laissée au repos pour favoriser la croissance des cristaux. Pour déterminer la structure cristalline de ce matériau, des mesures de diffraction des rayons X ont été effectuées. Le traitement des données et la résolution de la structure ont été réalisés à l'aide du progiciel SHELXTL de Bruker et en utilisant le mécanisme de détermination de la structure par méthodes directes, qui est l'une des alternatives les plus utilisées pour contourner le problème des phases dans la détermination de la structure des petites molécules. Ces analyses ont permis de déterminer que la L-thréonine complexée avec le Ni a une formule chimique Ni(II)(L-thréonine)2(H2O)2 et cristallise en symétrie orthoramique avec le groupe spatial La connaissance de la structure de ce matériau, ouvre des possibilités d'études qui peuvent être réalisées sur celui-ci.


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Product Details
  • ISBN-13: 9786203392500
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Editions Notre Savoir
  • Height: 229 mm
  • No of Pages: 84
  • Spine Width: 5 mm
  • Width: 152 mm
  • ISBN-10: 6203392502
  • Publisher Date: 15 Mar 2021
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 136 gr


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Synthèse Et Détermination de la Structure Pardiffraction Des Rayons X
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