Cadmium--praseodymium (1/1) | 12292-08-9

• 分子结构分类: 无机化合物 - 均相金属化合物 - 金属间过渡金属化合物
• 英文名称: Cadmium--praseodymium (1/1)
• 英文别名: cadmium;praseodymium
• CAS: 12292-08-9
• 化学式: CdPr
• 分子量: 253.318
• InChiKey: CITQCVOFICRGCO-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.0
• 重原子数：
  2
• 可旋转键数：
  0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为产物：
  描述：

  三氢化镨 、 镉 以 neat (no solvent) 为溶剂， 生成 Cadmium--praseodymium (1/1)
  参考文献：
  名称：

  PrCd单晶的磁特性

  摘要：

  摘要 在 4.2 至 300 K 的温度范围内，在高达 70 kOe 的磁场中，沿 PrCd 单晶的 [100]、[110] 和 [111] 轴进行了磁测量。 PrCd 显示出低于 T t = 25 的超磁性K 其中在沿 [110] 和 [111] 轴的磁化过程中观察到两个临界场以及沿 [100] 轴的临界场。超磁行为由非共线反铁磁模型解释，Pr 矩约为 2μ B，指向<111> 轴。

  DOI：

  10.1016/0038-1098(84)90024-3

文献信息

• Not Just Par for the Course: 73 Quaternary Germanides <i>RE</i>₄<i>M</i>₂<i>X</i>Ge₄ (<i>RE</i> = La–Nd, Sm, Gd–Tm, Lu; <i>M</i> = Mn–Ni; <i>X</i> = Ag, Cd) and the Search for Intermetallics with Low Thermal Conductivity
  作者：Dong Zhang、Anton O. Oliynyk、Gabriel M. Duarte、Abishek K. Iyer、Leila Ghadbeigi、Steven K. Kauwe、Taylor D. Sparks、Arthur Mar

  DOI：10.1021/acs.inorgchem.8b02279

  日期：2018.11.19

  total of 73 new quaternary rare-earth germanides RE4M2XGe4 (RE = rare-earth metal; M = Mn-Ni; X = Ag, Cd) were prepared through reactions of the elements. The solid solution Nd4Mn2Cd(Ge1-ySiy)(4) was also prepared under the same conditions and found to be complete over the entire range. All of these compounds adopt the monoclinic Ho4Ni2InGe4-type structure (space group C2/m, a = 14.2-16.7 angstrom, b = 4.0-4.6 angstrom, c = 6.8-7.5 angstrom, beta = 106-109 degrees), as revealed by powder X-ray diffraction analysis and single-crystal X-ray diffraction analysis on selected members. The structure determination of Nd-4(Mn0.78(1)Ag0.22(1))(2)Ag0.83(1)Ge4 disclosed disorder of Mn and Ag atoms within the tetrahedral site and Ag deficiencies within the square planar site. Within the solid solution Nd4Mn2Cd(Ge1-ySiy)(4), the end-members and two intermediate members were structurally characterized; as the Si content increases, the Cd sites become less deficient and the individual [Mn(2)Tt(2)] layers contract but become further apart from each other. Electronic band structure calculations confirm that the Ag-Ge or Cd-Ge bonds are the weakest in the structure and thus prone to distortion. Thermal property measurements confirm expectations from machine-learning predictions that these quaternary germanides should exhibit low thermal conductivity, which was found to be <10 W m(-1) for Nd4Mn2AgGe4.