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All Journal VALENSI The Journal of Pure and Applied Chemistry Research Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan J-PEK (JURNAL PEMBELAJARAN KIMIA) JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya
Fariati Fariati
Universitas Negeri Malang
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology Social Sciences Other

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Journal : The Journal of Pure and Applied Chemistry Research

 1 
Synthesis and Characterization of Coordination Compounds of Silver(I) Nitrite with Ligands Ethylenethiourea and N,N'-diethylthiourea Fariati Fariati; Nurul Istikfaroh; Effendy Effendy; Lutfia Ayu Darojah
The Journal of Pure and Applied Chemistry Research Vol 5, No 3 (2016)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (762.988 KB) | DOI: 10.21776/ub.jpacr.2016.005.03.253

Abstract

Silver(I) nitrate and ethylenethiourea (etu) in 1 : 4 stochiometry have been reported [1]. Coordination compounds of A and B as silver(I) nitrite with etu and silver(I) nitrite with N,N’-diethylthiourea (detu) respectively, have never been done. The purposes of this study are to synthesize and characterize coordination compounds of A and B. Synthesis coordination compound of A with 1 : 4, while B with 1 : 2 stoichiometry. Both of coordination compounds are conducted directly in acetonitrile. Compounds obtained are characterized by melting point, electrical conductivity measurement, SEM-EDX, qualitative nitrite test, free energy calculation and structures prediction using Spartan’14 v1.1.0. Coordination compounds of A and B are colourless needle and prism crystals; have melting point of 189°C and 103-105°C; free energy of -289,2567 and -1182.8101 kJ/mol respectively. Electrical conductivity measurement and qualitative nitrite test show that the obtained compound of A is an ionic and B is a molecular one. EDX analysis gives empirical formula prediction of two coordination compound A is C12H24AgN9O2S4  and  B is C15H36AgN7O2S3.
Co-Authors Ayu Endarti Kusumaningtyas Effendy Effendy Effendy Effendy Effendy Effendy Lutfia Ayu Darojah Nurul Istikfaroh Oktavia Sulistina Suhadi Ibnu Sutinah Sutinah Wawan Setiawan Yulyani Nur Azizah Yuni Susanti