Crystal structure, infrared spectroscopy and thermodynamic properties of a manganese member of the ellenbergerite family
文献信息
Larisa V. Shvanskaya, Polina V. Krikunova, Tatyana M. Vasilchikova, Elena Y. Borovikova, Olga S. Volkova, Alexander N. Vasiliev
Single-crystals of manganese hydroxide hydrogen vanadate divanadate, Mn6.75(OH)3H1.20(VO4)4-2z(V2O7)z (z = 0.15), have been synthesized hydrothermally. Its hexagonal crystal structure, sp. gr. P63mc, related to mineral ellenbergerite, has been determined by single-crystal X-ray diffraction. It features a three-dimensional framework of vertex- and face-sharing Mn2+-centered octahedra with defective Mn2+-octahedral chains and disordered V2O7, HVO4 and H2VO4 groups located in hexagonal and triangular type channels. The presence of these groups has been confirmed by Fourier transform infrared spectroscopy. According to magnetization and specific heat data, Mn6.75(OH)3H1.20(VO4)4-2z(V2O7)z (z = 0.15) experiences ordering into a canted antiferromagnetic state at TN = 42.5 K.
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New Journal of Chemistry

NJC (New Journal of Chemistry) is a broad-based primary journal encompassing all branches of chemistry and its sub-disciplines. It contains full research articles, communications, perspectives and focus articles. This well-established journal, owned by the Centre National de la Recherche Scientifique (CNRS) of France, has been co-published with the Royal Society of Chemistry since January 1998. NJC is the forum for the publication of high-quality, original and significant work that opens new directions in chemistry or other scientific disciplines. In addition to having a significant chemical component, work published in NJC must demonstrate that it will have an impact on areas of research other than that of the reported work.










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