The coordination polymer Ag[N(CH2CH2)3N]2[CH3COO].5H2O was obtained by co-grinding in the solid state and in the air of a stoichiometric amt. of AgOAc and of [N(CH2CH2)3N] (1,4-diazabicyclooctane). Single crystals suitable for x-ray diffraction were obtained from a water-MeOH soln. and used to compare calcd. and exptl. x-ray powder diffractograms. When ZnCl2 was used instead of AgOAc in the equimolar reaction with [N(CHCH2)3N], the soln. and solid-state treatments afford different products. Single crystals of the Zn-based coordination polymer Zn[N(CHCH2)3N]Cl2 were obtained by layering a soln. of ZnCl2 in MeOH over a soln. of [N(CH2CH2)3N] in CH2Cl2. The product of the co-grinding, identified only from x-ray powder diffraction, converts, on prolonged grinding, into the cryst. material obtained from the reaction in soln., anhyd. Zn[N(CH2CH2)3N]Cl2.

Mechanochemical and solution preparation of the coordination polymers Ag[N(CH2CH2)3N]2[CH3COO].5H2O and Zn[N(CH2CH2)3N]Cl2.

BRAGA, DARIO;GIAFFREDA, STEFANO LUCA;GREPIONI, FABRIZIA;POLITO, MARCO
2004

Abstract

The coordination polymer Ag[N(CH2CH2)3N]2[CH3COO].5H2O was obtained by co-grinding in the solid state and in the air of a stoichiometric amt. of AgOAc and of [N(CH2CH2)3N] (1,4-diazabicyclooctane). Single crystals suitable for x-ray diffraction were obtained from a water-MeOH soln. and used to compare calcd. and exptl. x-ray powder diffractograms. When ZnCl2 was used instead of AgOAc in the equimolar reaction with [N(CHCH2)3N], the soln. and solid-state treatments afford different products. Single crystals of the Zn-based coordination polymer Zn[N(CHCH2)3N]Cl2 were obtained by layering a soln. of ZnCl2 in MeOH over a soln. of [N(CH2CH2)3N] in CH2Cl2. The product of the co-grinding, identified only from x-ray powder diffraction, converts, on prolonged grinding, into the cryst. material obtained from the reaction in soln., anhyd. Zn[N(CH2CH2)3N]Cl2.
D. Braga; S. L. Giaffreda; F. Grepioni; M. Polito,
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/9261
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