The structure directing role of 1,3-diaminopropane in the hydrothermal synthesis of iron(III) phosphate
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13-Diaminopropane (DAP) was used as a structure-directing agent for the hydrothermal synthesis of an organically templated iron phosphate. During crystallization at 180 degreesC, iron phosphate (FePO-DAP) with a layered structure was formed after one day. Longer crystallization yielded a mixture of FePO-DAP and leucophosphite, raising the question whether a transformation of FePO-DAP to leucophosphite occurs. or wheter DAP decomposes under hydrothermal conditions resulting in leucophosphite formation. Lattice energy, and free energy calculations strongly support the supposition that a decomposition of DAP occurs prior to the formation of leueophosphite.
Кључне речи:FePO / iron phosphate / hydrothermal synthesis / GULP / open-framework
Извор:Journal of the Serbian Chemical Society, 2004, 69, 3, 179-185
- Srpsko hemijsko društvo, Beograd