Manganese Vanadate Chemistry in Hydrothermal BaF2 Brines: Ba3Mn2(V2O7)2F2 and Ba7Mn8O2(VO4)2F23
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https://figshare.com/articles/dataset/Manganese_Vanadate_Chemistry_in_Hydrothermal_BaF_sub_2_sub_Brines_Ba_sub_3_sub_Mn_sub_2_sub_V_sub_2_sub_O_sub_7_sub_sub_2_sub_F_sub_2_sub_and_Ba_sub_7_sub_Mn_sub_8_sub_O_sub_2_sub_VO_sub_4_sub_sub_2_sub_F_sub_23_sub_/4282859
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Manganese vanadate fluorides were synthesized using high-temperature hydrothermal techniques with BaF2 as a mineralizer. Ba3Mn2(V2O7)2F2 crystallizes in space group C2/c and consists of dimers built from edge-sharing MnO4F2 trigonal prisms with linking V2O7 groups. Ba7Mn8O2(VO4)2F23 crystallizes in space group Cmmm, with a manganese oxyfluoride network built from edge- and corner-sharing Mn2+/3+(O,F)6 octahedra. These octahedra form alternating Mn2+ and Mn2+/3+ layers separated by VO4 tetrahedra. This latter compound exhibits a canted antiferromagnetic order below TN = 25 K.
创建时间：
2016-12-03
