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Universidade Federal de Juiz de fora
Chemistry Departament
43º SBQ anual Reunion
Authors: Carlos M. D. S. Junior (PG- UFJF)
Talita V. F. da Silva (IC-UFJF)
Júlia B. Alves (IC-UFJF)
Maria Clara. R. Freitas (PQ-UFRRJ)
Chris H. J. Franco (PQ-UFJF)
Charlane C. Corrêa (PQ-UFJF)
Introduction
“Materials made up of cavities, channels or interstices that can have a high surface area”.
Applications in medicine, chemistry, environmental engineering, and others.
Synthesis of Inorganic Materials, 4 ed, p. 289, 2019
zeolites: alkali or alkaline earth metal aluminosilicates found abundantly in nature
Figure 1: Structure of Boggsite Zeolite
American Mineralogist; 75, 1200–1204, 1990
American Journal of Materials Science, 7, 5, 196–221, 2017.
Figure 2: Synthesis of metal-organic framework 5 (MOF-5) from a Zn metal cluster and terephthalic acid.
Applied in areas such as medicine, biology, chemistry and others.
Biomaterials Science, 974–989, 2018
Journal of Alloys and Compounds, 176–186, 2017
Chemical Society Reviews, 6927–6945, 2017
Accounts of Chemical Research, 51, 12, 3052–3064, 2018
Objectives
+
0.22 mmol H2glu + 5mL H2O
0.22 mmol hmt + 5mL H2O
Ligands added simultaneously into a solution of 0,22 mmol Cu(NO₃)₂.3H₂O
"After one day green colored crystals, in a needle shape, were present in the solution"
yield: ~ 40%
FTIR
Figure 3. Infrared absorption spectra for H2glu, Na2glu, hmt and compound 1 ligands
Main bands in the spectrum (cm-1): 1700,1620,1417,1236,1017, 809,667
Na2glu [∆ =177 cm-1] ; ∆ = 190 cm-1
∆salt ~ ∆pol
bidentade bridging
Figure 4: Asymmetric unit of compound 1.
Twinning
45/55%
Table 1: Crystallographic data for compound 1
Figure 5: (a) Coordination sphere (b) Secondary building unit (SBU) for compound 1.
(Symmetry codes: i: + x, -y, -½ + z; ii: 3/2-x, ½-y, 2-z; iii: 3/2-x, -½ + y, 3/2-z; iv: 1-x, + y, 3/2-z).
Figure 6: Polymeric expansion of compound 1 in two dimensions seen along the ac plane
Figure 7: Polymeric expansion of compound 1 in three dimensions seen along the ab plane
Figure 9: Hydrogen bonds present in the compound 1.
Symmetry codes: i: 1-x, -1 + y, 3/2-z; ii: + x, -1 + y, + z; iii: 1-x, + y, 3/2-z.
Table 3- Parameters of hydrogen bonds present in the compound 1 network.
Symmetry codes: i:-x,1+y,1/2-z.
Figure 10: Topological study for compound 1 in two dimensions.
Figure 11: Topological study for compound 1 in three dimensions.
From the simplification in cluster mode, it was obtained that the fundamental network is of the pcu type, uninodal and with a Point symbol (4¹².6³).
Thank you for your attention!