NUCLEAR MAGNETIC RESONANCE STUDY OF CHARGE TRANSFER COMPLEX FORMATION BETWEEN SILVER NITRATE AND BENZYLCYANIDE IN SOLVENT ETHYLENE GLYCOL

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MODARES H.; SHEKAARI H.

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Journal Paper

Paper Information

Journal: AMIRKABIR Year:2003 | Volume:14 | Issue:55-C Page(s): 167-169

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Title

NUCLEAR MAGNETIC RESONANCE STUDY OF CHARGE TRANSFER COMPLEX FORMATION BETWEEN SILVER NITRATE AND BENZYLCYANIDE IN SOLVENT ETHYLENE GLYCOL

Author(s)

MODARES H. | SHEKAARI H. | Issue Writer Certificate

Keywords

FORMATION CONSTANT

SILVER NITRATE

BENZYLCYANIDE

ETHYLENE GLYCOL

CHARGE TRANSFER COMPLEXES

SOLUTION NONIDEALITIES

CONCENTRATION SCALE

BULK MAGNETIC SUSCEPTIBILITY

NMR

Abstract

The FORMATION CONSTANT for CHARGE TRANSFER COMPLEXES between electron acceptor (AgNO3) and electron donor BENZYLCYANIDE (C6 H5 -CH2 -C º N) in solvent ETHYLENE GLYCOL [(CH2OH) 2] has been evaluated by using the Nuclear Magnetic Resonance (NUR) chemical shifts of aromatic group of BENZYLCYANIDE measured against external references, tetrametylsilane (TMS), hexamethyldisilane (HMDS) and cylohexane (CXA) at 20 °C. The external referencing procedure eliminated the interference of internal reference in the course of complexation. The necessary BULK MAGNETIC SUSCEPTIBILITY corrections on the measured chemical shifts have been made. The SOLUTION NONIDEALITIES and their effects on tire FORMATION CONSTANT have been considered and a new equation has been suggested to obtain the mean ionic activity coefficient of AgNO3 from NMR results. The mean ionic activity coefficient has been taken into account in the FORMATION CONSTANT calculations. I The results indicated that the appropriate FORMATION CONSTANT should be expressed in terms of activities Also an equation have been derived to eliminate the undesirable effects on the NMR measured chemical shifts in calculating the FORMATION CONSTANT. The selection of concentration domains and its effect on the calculated FORMATION CONSTANT has been discussed and the new equation is modified to be independent of the concentration domains. In this equation the SOLUTION NONIDEALITIES, by considering the activity coefficients, have been taken into account.

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APA: Copy

MODARES, H., & SHEKAARI, H.. (2003). NUCLEAR MAGNETIC RESONANCE STUDY OF CHARGE TRANSFER COMPLEX FORMATION BETWEEN SILVER NITRATE AND BENZYLCYANIDE IN SOLVENT ETHYLENE GLYCOL. AMIRKABIR, 14(55-C), 167-169. SID. https://sid.ir/paper/528057/en

Vancouver: Copy

MODARES H., SHEKAARI H.. NUCLEAR MAGNETIC RESONANCE STUDY OF CHARGE TRANSFER COMPLEX FORMATION BETWEEN SILVER NITRATE AND BENZYLCYANIDE IN SOLVENT ETHYLENE GLYCOL. AMIRKABIR[Internet]. 2003;14(55-C):167-169. Available from: https://sid.ir/paper/528057/en

IEEE: Copy

H. MODARES, and H. SHEKAARI, “NUCLEAR MAGNETIC RESONANCE STUDY OF CHARGE TRANSFER COMPLEX FORMATION BETWEEN SILVER NITRATE AND BENZYLCYANIDE IN SOLVENT ETHYLENE GLYCOL,” AMIRKABIR, vol. 14, no. 55-C, pp. 167–169, 2003, [Online]. Available: https://sid.ir/paper/528057/en

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