AI Article Synopsis
- Researchers successfully synthesized a cerium(III) analogue (1-Ce) of a specific lanthanide compound, highlighting its structural comparison with other rare earth materials at low temperatures.
- The focus on the cerium(III) ion is due to its potential for slow magnetic relaxation in certain crystal fields, similar to another compound containing dysprosium(III) (1-Dy).
- However, AC magnetic susceptibility experiments indicated that 1-Ce does not exhibit the expected magnetic behavior, raising doubts about the viability of cerium-based single-molecule magnets (SMMs).
Article Abstract
The introduction of the cerium(III) analogue (1-Ce, Ln = Ce) of (tert-butoxido)chloridopentakis(tetrahydrofuran)lanthanide(III) tetraphenylborate tetrahydrofuran disolvate, [Ln{OC(CH)}Cl(CHO)][B(CH)]·2CHO or [Ln(OBu)Cl(THF)](BPh)·2THF (1-Ln) has been achieved with a structural comparison between the existing solid-state structures of other rare earth analogues and the title compound at 100 and 180 K. The cation in 1-Ce is targeted as the cerium(III) ion possesses the criteria to exhibit slow magnetic relaxation in axial point-charge crystal fields, akin to the dysprosium(III) ion in 1-Dy. AC magnetic susceptibility experiments reveal no such behaviour for 1-Ce, putting the viability of cerium-based SMMs into question.
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| http://dx.doi.org/10.1107/S2053229624009872 | DOI Listing |
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