What question did this study set out to answer?

To investigate the crystal structure, bonding configuration, and magnetic ordering behavior of the mixed-valence manganese Prussian Blue analogue Mn(II)3[Mn(III)(CN)6]2·zH2O.

November 23, 2004Journal of the American Chemical SocietyOpen Access

Crystalline, Mixed-Valence Manganese Analogue of Prussian Blue: Magnetic, Spectroscopic, X-ray and Neutron Diffraction Studies

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Authors

PFP. FranzUniversity of Geneva CAC. AmbrusUniversity of Geneva AHAndreas HauserGraz University of Technology

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Implication

Diffraction analysis demonstrates ferrimagnetic ordering below 35.5 K in a manganese Prussian blue analogue, indicating correlated water cluster substitution.

Key Points

To investigate the crystal structure, bonding configuration, and magnetic ordering behavior of the mixed-valence manganese Prussian Blue analogue Mn(II)3[Mn(III)(CN)6]2·zH2O.
Synthesized air-stable, transparent red crystals of stoichiometry Mn(II)3[Mn(III)(CN)6]2·zH2O (z = 12–16).
Performed low-temperature single-crystal optical spectroscopy and single-crystal X-ray diffraction to identify ion coordination and lattice symmetry.
Conducted magnetic susceptibility measurements and elastic neutron scattering experiments alongside diffuse scattering analysis to evaluate structural defects and magnetic ordering.
Confirmed the presence of N-bonded high-spin Mn(II) and C-bonded low-spin Mn(III) ions arranged in a disordered face-centered cubic lattice analogous to Prussian Blue.
Detected structured diffuse scattering in X-ray and neutron patterns, demonstrating partially correlated rather than random substitution of [Mn(III)(CN)6] ions by (H2O)6 clusters.
Identified a transition to long-range ferrimagnetic order occurring below a critical temperature of Tc = 35.5 K.

Cite This Study

Franz et al. (2004) studied this question.

synapsesocial.com/papers/6a98261e894a49665d15df5a https://doi.org/10.1021/ja0465451

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Implication

Diffraction analysis demonstrates ferrimagnetic ordering below 35.5 K in a manganese Prussian blue analogue, indicating correlated water cluster substitution.

Crystalline, Mixed-Valence Manganese Analogue of Prussian Blue: Magnetic, Spectroscopic, X-ray and Neutron Diffraction Studies

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Cite This Study

Crystalline, Mixed-Valence Manganese Analogue of Prussian Blue: Magnetic, Spectroscopic, X-ray and Neutron Diffraction Studies

Discussion

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Implication

Key Points

Cite This Study

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