Synthesis of a New triazine Derived Macrocycle and a Thermodynamic Study of Its Complexes with Some Transition and heavy Metal Ions in Acetonitrile Solution

• Autorzy: Pourghobadi Z. , Seyyed-Majidi F. , Daghighi-Asli M. , Parsa F. , Moghimi A. , Ganjali M. R. , Aghabozorg H. , Shamsipur M.
• Języki publikacji: EN

Abstrakty

EN

A synthetic procedure has been developed for the preparation of a new triazine derived macrocycle (13,29-diphenyl-4,7,20,23-tetraoxa-1,10,12,14,16,17,26,28,30,32-decaza-[10,10](2,6)triazinophane). The formation of some transition and heavy etal complexes with the macrocycle was investigated in acetonitrile solution conductometrically at different temperatures. The formation constants of the resulting 1:1 complexes were determined from the molar conductance-mole ratio data and found to vary in the sequence Hg2+ Pb2+ Cd2+ - Ag+ Cu2+ Tl+ Co2+ Ni2+ Zn2+. The enthalpy and entropy of complexation reactions were determined fro the temperature dependence of the formation constants. In all cases, the complexes were found to be enthalpy stabilized but entropy destabilized.

Słowa kluczowe

EN

complexes; synthesis; thermodynamics; conductometry

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2000
• Tom: Vol. 74, nr 6
• Strony: 837--846
• Opis fizyczny: Biblioigr. 29 poz., rys.

Twórcy

autor

Pourghobadi Z.

• Department of Chemistry, Tehran University, Tehran, Iran

autor

Seyyed-Majidi F.

• Department of Chemistry, Islamic Azad University, North Tehran Branch, Tehran, Iran

autor

Daghighi-Asli M.

• Department of Chemistry, Islamic Azad University, North Tehran Branch, Tehran, Iran

autor

Parsa F.

• Department of Chemistry, Islamic Azad University, North Tehran Branch, Tehran, Iran

autor

Moghimi A.

• Department of Chemistry, Imam Hossein University, Tehran, Iran

autor

Ganjali M. R.

• Department of Chemistry, Tehran University, Tehran, Iran

autor

Aghabozorg H.

• Department of Chemistry, Teacher Triaining University, Tehran, Iran

autor

Shamsipur M.

• Department of Chemistry, Razi University, Kermanshah, Iran

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