A new mixed-valent copper–antimony sulfide: [H2NCH2CH2NH2]0.5[Cu2SbS3]
A new mixed-valent copper–antimony sulfide: [H2NCH2CH2NH2]0.5[Cu2SbS3]
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DOI：
10.1039/b005111j
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发表时间：
2000
期刊：
影响因子：
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通讯作者：
A. Powell;Sylvain Boissière;A. Chippindale
中科院分区：
文献类型：
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作者：
A. Powell;Sylvain Boissière;A. Chippindale
在乙二胺存在下，通过溶剂热法由二元金属硫化物合成了混合价铜锑硫化物 [H2NCH2CH2NH2]0.5[Cu2SbS3]，并通过单晶 X 射线衍射、热重分析、元素分析和 SQUID 磁力测定进行了表征。该材料的结构由化学计量 Cu2SbS3 的稠合 5 元环链组成，连接成厚度约为 5 A 的二维板。中性乙二胺分子位于板之间，并与其形成氢键。磁化率数据得出每分子式单位的有效磁矩为 0.94(6) μB，与金属硫化物骨架中存在铜-(I) 和-(II) 物质一致。
A mixed-valent copper–antimony sulfide, [H2NCH2CH2NH2]0.5[Cu2SbS3], has been solvothermally synthesized from binary metal sulfides in the presence of ethylenediamine and characterised by single-crystal X-ray diffraction, thermogravimetry, elemental analysis and SQUID magnetometry. The structure of this material consists of chains of fused 5-membered rings of stoichiometry Cu2SbS3, linked into two-dimensional slabs of approximate thickness 5 A. Neutral ethylenediamine molecules reside between the slabs, to which they are hydrogen bonded. Magnetic susceptibility data yield an effective magnetic moment per formula unit of 0.94(6) μB, consistent with the presence of copper-(I) and -(II) species in the metal sulfide framework.