| Issue |
E3S Web Conf.
Volume 473, 2024
The 3rd International Conference on Renewable Energy (I-CORE 2023)
|
|
|---|---|---|
| Article Number | 03006 | |
| Number of page(s) | 10 | |
| Section | Advance Material | |
| DOI | https://doi.org/10.1051/e3sconf/202447303006 | |
| Published online | 08 January 2024 | |
Synthesis, Characterization and Antibacterial Properties of Complex [Ag(SCN)(2-NH2py)]
1 Department of Chemistry, Faculty of Mathematics and Natural Sciences, State University of Malang, Semarang road 5 Malang 65145, Indonesia
2 Centre of Advanced Material for Renewable Energy, State University of Malang, Semarang road 5 Malang 65145, Indonesia
* Corresponding author: idasna@um.ac.id
The reaction of AgSCN with 2-aminopyridine in ammonia solution produces the colorless crystal of catena-poly [Ag(SCN))(C6H5N2)]n. The crystals were characterized by FTIR analysis and single crystal X-Ray diffraction. The silver(I) ion bind to one N atom of 2-aminopyridine, one N atom of thiocyanate and two S atoms of two thiocyanates to form a pseudo-tetrahedral complex. The presence of thiocyanates bridge ligand give an one-dimensional polymer. Complex [Ag(SCN)(2-NH2py)] crystallizes in monoclinic lattice and P21 space group with a=9,122(3) Å, b=4,1506(15) Å, c=11,269(4) Å, α= γ= 90°, β= 109,214(8)°, R= 0,0287. Intermolecular hydrogen bonds between amino group and thiocyanate NH-H…N-CS (2.389 Å) are also found in this structure. In vitro antibacterial screening complex was evaluated against two bacteria (Escherichia coli and Staphylococcus aureus). The results show that complex has higher antibacterial activity than 2-aminopyridine and KSCN. This is due to central ion and the ability of the ligand to interact with membrane proteins.
Key words: Ag(I) complex / 2-aminopyridine / KSCN / characterization / antibacterial activity
© The Authors, published by EDP Sciences, 2024
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