Abstract
AbstractTwo neodymium sulfate based purely inorganic networks, [NH4][Nd(SO4)2(H2O)3] ⋅ H2O (1) and [Nd2(SO4)3(H2O)4] ⋅ H2O (2) have been synthesized at different reaction temperatures and pH values. The structure of 1 features a two‐dimensional (2D) anionic corrugated sheet with an sql topological net built up by linking NdO8 units and μ2‐SO42− anions, in which the NH4+ charge‐compensating/templating cations occupy the intersheet layers. While 2 possesses a 3D neutral framework with an unprecedented (3,42,7‐c) net constructed by NdO9 units and μ4‐ and μ6‐SO42− linkers. They exhibit thermally induced irreversible structural transformation associated with the dehydration and the changes in coordination geometry and dimensionality. Both compound 1 and 2 display typical antiferromagnetic interactions between the Nd3+ centres. In addition, the CO2 adsorption isotherms of the desolvated samples 1 and 2 were also investigated.
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