Source of materialAll reagents and solvents were used as purchased without further purification. C, H and N elemental analyses were performed on a Perkin-Elmer elemental analyzer. In a similar procedure as described in our previous paper [1] the title compound was prepared. An ethanol solution (5 ml) of diethylenetriamine (60 mg, 1 mmol) was added to 2-fluorobenzaldehyde (248 mg, 2 mmol) in ethanol (10 ml) with stirring at ambient temperature. After half an hour, a suspension of Ag 2 O (166 mg, 0.5 mmol) and 4-chlorobenzoic acid (157 mg, 1 mmol) in acetonitrile (10 ml) was added to the above solution. The resultant solution was kept to evaporate slowly in air. Colorless single crystals of the title compound were deposited and collected by filtration. The crystals were washed with a mixture of ethanol and acetonitrile (1:1 v/v) and then dried in a vacuum desiccator over silica gel (yield 55 %). Elemental analysis: found -C 57.15 %, H 3.99 %, N 5.70 %; calc. for C 46 H 37 AgCl 2 F 4 N 4 O 4 -C 57.28 %, H 3.87 %, N 5.81 %. DiscussionTransition metal complexes with Schiff bases were widely studied in recent decades, however, silver

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