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POMzites: una familia de marcos de polioxometalato zeolítico de una biblioteca de bloques de construcción mínima
Thomas Boyd1, Scott G Mitchell1, David Gabb1
1WestCHEM, School of Chemistry, University of Glasgow , Joseph Black Building, University Avenue, Glasgow G12 8QQ, U.K.
Journal of the American Chemical Society
|April 4, 2017
Resumen
El polioxometalato {P8W48} es un bloque de construcción versátil para materiales porosos. Un nuevo sistema de clasificación para estos "POMzites" permite la síntesis predecible de nuevos marcos.
Área de la Ciencia:
- Ciencias de los materiales
- Química inorgánica
- La cristalografía
Sus antecedentes:
- Los polioxometalatos (POM) son grupos inorgánicos versátiles.
- El heteropolyanion cíclico [P8W48O184]40- ({P8W48}) es un bloque de construcción POM clave.
- Los polímeros de coordinación basados en {P8W48} exhiben porosidad intrínseca.
Objetivo del estudio:
- Clasificar y analizar los polímeros de coordinación basados en el ligando {P8W48}.
- Desarrollar una nueva taxonomía para los marcos basados en {P8W48}.
- Permitir el diseño y la síntesis racionales de nuevos materiales porosos.
Principales métodos:
- Análisis de más de 30 polímeros de coordinación que incorporan {P8W48}.
- Clasificación de los puntos de coordinación de los metales de transición en el anillo {P8W48}.
- Caracterización estructural de tres nuevos marcos basados en {P8W48}.
Principales resultados:
- {P8W48} generalmente forma marcos a través de {W-O-TM-O-W} puentes.
- Se estableció un nuevo sistema de clasificación basado en la conectividad de coordinación TM.
- Se sintetizaron y caracterizaron tres nuevos marcos basados en {P8W48}.
- Se propuso una nueva familia de materiales, denominados "POMzites".
Conclusiones:
- El sistema de clasificación facilita la comprensión y comparación de los materiales basados en {P8W48}.
- La taxonomía propuesta permite la categorización de nuevos compuestos de POMcita.
- Este trabajo avanza hacia la síntesis dirigida de POMzites, reduciendo la dependencia de la serendipidad.
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