Platinum--lambda~2~-stannane (3/1) | 12210-67-2

• 分子结构分类: 无机化合物 - 混合金属/非金属化合物 - 各种混合金属/非金属
• 英文名称: Platinum--lambda~2~-stannane (3/1)
• 英文别名: λ2-stannane;platinum
• CAS: 12210-67-2
• 化学式: Pt₃Sn
• 分子量: 703.95
• InChiKey: QMYWHGKPWDKESL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.92
• 重原子数：
  4.0
• 可旋转键数：
  0.0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  0.0
• 氢给体数：
  0.0
• 氢受体数：
  0.0

反应信息

• 作为反应物：
  描述：

  Platinum--lambda~2~-stannane (3/1) 、 tin(ll) chloride 生成 platinum-tin
  参考文献：
  名称：

  Reacting the Unreactive:  A Toolbox of Low-Temperature Solution-Mediated Reactions for the Facile Interconversion of Nanocrystalline Intermetallic Compounds

  摘要：

  Metallurgical materials, including intermetallic compounds, are notoriously inert toward low-temperature reactivity. However, as nanocrystals, their reactivity is significantly enhanced. Here we show that intermetallic PtSn and AuCu nanocrystals can be converted, in solution at low temperatures, into derivative intermetallics. For example, PtSn can be converted into PtSn2 and Pt3Sn by reaction with SnCl2 and K2PtCl6, respectively. The reactions are also reversible, for example, the sequences PtSn --> PtSn2 --> PtSn and PtSn --> Pt3Sn --> PtSn are all readily achievable. The strategy also allows nanocrystalline AuCu to be successfully converted into AuCu3 via reaction with Cu(C2H3O2)2.H2O, suggesting that this approach may be general.

  DOI：

  10.1021/ja0627996
• 作为产物：
  描述：

  tin 、 铂 以 melt 为溶剂， 生成 Platinum--lambda~2~-stannane (3/1)
  参考文献：
  名称：

  Structure of the (001)- and (111)-oriented surfaces of the ordered fccPt3Sn alloy by low-energy-electron-diffraction intensity analysis

  摘要：

  The surface structure and composition of the (001)- and (111)-oriented surfaces of the ordered Pt3Sn alloy were determined by low-energy-electron-diffraction intensity analysis. For both orientations the surface structure corresponds to a bulk truncation model. For the (001) surface, the mixed "PtSn" plane forms the outermost surface layer. Sn atoms in the outermost plane are also significantly upwardly displaced (by about 0.2 angstrom) for both the (001) and the (111) surfaces.

  DOI：

  10.1103/physrevb.46.1649
• 作为试剂：
  描述：

  一氧化碳 、 氧气 在 Platinum--lambda~2~-stannane (3/1) 作用下， 以 gaseous matrix 为溶剂， 生成 二氧化碳
  参考文献：
  名称：

  Mediatory role of tin in the catalytic performance of tailored platinum–tin alloy surfaces for carbon monoxide oxidation

  摘要：

  The activation of oxygen reduction reaction fascinates numerous scientists in the fields of heterogeneous catalysis, electrochemistry and surface science. Indeed, oxygen dissociation is considered usually as the rate determining step of several reactions on conventional platinum catalysts. From combined experimental and theoretical approaches, we demonstrate comprehensively how tailored platinum-tin alloy surfaces allow to go beyond this chemical limitation. Near-ambient pressure kinetic measurements show the outstanding capacity of the Pt3Sn(111) single-crystal surfaces for carbon monoxide oxidation. The apparent activation energy is almost twice lower on the platinum-tin surface than on pure platinum catalyst. The theoretical analysis based on density functional theory calculations supports the idea that oxygen dissociation is never the rate determining step on these alloy surfaces since the corresponding rates calculated at room temperature always outstrip those of carbon monoxide oxidation. The influence of surface tin content and oxygen coverage on the activity is addressed in details. The mediatory role of tin in the alloy is elucidated on the basis of a charge transfer analysis. (C) 2010 Elsevier Inc. All rights reserved.

  DOI：

  10.1016/j.jcat.2010.05.014

文献信息

• Intermetallic Nanocatalysts from Heterobimetallic Group 10–14 Pyridine-2-thiolate Precursors
  作者：Carena L. Daniels、Megan Knobeloch、Philip Yox、Marquix A. S. Adamson、Yunhua Chen、Rick W. Dorn、Hao Wu、Guoquan Zhou、Huajun Fan、Aaron J. Rossini、Javier Vela

  DOI：10.1021/acs.organomet.9b00803

  日期：2020.4.13

  Intermetallic compounds are atomically ordered inorganic materials containing two or more transition metals and main-group elements in unique crystal structures. Intermetallics based on group 10 and group 14 metals have shown enhanced activity, selectivity, and durability in comparison to simple metals and alloys in many catalytic reactions. While high-temperature solid-state methods to prepare intermetallic

  金属间化合物是原子序有序的无机材料，在独特的晶体结构中包含两种或多种过渡金属和主族元素。与许多催化反应中的简单金属和合金相比，基于第10组和第14组金属的金属间化合物显示出更高的活性，选择性和耐久性。尽管存在制备金属间化合物的高温固态方法，但较软的合成方法可提供关键优势，例如能够制备亚稳相或制备具有增大表面积的较小颗粒用于催化。在这里，我们研究了二元金属间化合物的杂化双金属前驱物的广义族，每个前体包含结合在一起并由钳状吡啶-2-硫醇盐配体支撑的10族金属和14族t。热分解后 这些杂双金属配合物形成10-14个二元金属间纳米晶体。实验和密度泛函理论（DFT）计算有助于更好地理解这些前体对特定金属间二元相合成的反应性。使用钯以2 Sn为例，我们证明以这种方式制得的纳米粒子可以作为独特的选择性催化剂，将硝基芳烃还原为a氧基芳烃，这突出了我们方法制备的金属间化合物的实用性。将异双金属钳形配合物用作
• Refinement of the Microwave‐Assisted Polyol Process for the Low‐Temperature Synthesis of Intermetallic Nanoparticles
  作者：Johannes Teichert、Martin Heise、Jen‐Hui Chang、Michael Ruck

  DOI：10.1002/ejic.201700966

  日期：2017.11.16

  potassium hydroxide, oleylamine, or oleic acid. Single-phase powders of a variety of intermetallic compounds were synthesized. Although not stable at the temperature of synthesis, high-temperature phases are accessible as well. The microwave-assisted polyol process opens up the possibility to synthesize intermetallic compounds in a fast and easily applicable one-step route, without the utilization of

  微波辅助多元醇工艺用于合成 TM 系统中金属间相的纯相微晶或纳米晶样品（T = Co、Ni、Rh、Pd、Ir、Pt 和 M = Sn、Sb、Pb、Bi ）。反应温度范围在 240 °C 和 300 °C 之间，几分钟到一小时的反应时间就足够了。为优化合成反应温度、反应时间和金属前驱体。为了获得相纯样品，该过程通过添加氢氧化钾、油胺或油酸进一步改进。合成了多种金属间化合物的单相粉末。虽然在合成温度下不稳定，但也可以进入高温相。
• Unexpected, spontaneous and selective formation of colloidal Pt3Sn nanoparticles using organometallic Pt and Sn complexes
  作者：Malika Boualleg、David Baudouin、Jean-Marie Basset、Francois Bayard、Jean-Pierre Candy、Jean-Claude Jumas、Laurent Veyre、Chloé Thieuleux

  DOI：10.1039/c0cc00296h

  日期：——

  The facile and selective synthesis of small crystalline Pt3Sn alloy nanoparticles was performed at room temperature under H2, using a colloidal approach without the use of extra-stabilizing ligands. The Pt3Sn alloy was found to be obtained spontaneously as the unique phase regardless of the number of tin equivalents introduced.

  采用胶体方法，在不使用额外稳定配体的情况下，于室温下在 H2 条件下简便、选择性地合成了小晶体 Pt3Sn 合金纳米粒子。结果发现，无论引入多少锡当量，都能自发地获得 合金这一独特的相。
• Heavy-fermion-spin-glass behavior in Sn(1−x)UxPt3
  作者：K. Sievers、E.-W. Scheidt、G.R. Stewart

  DOI：10.1016/0921-4526(94)00482-b

  日期：1995.2

  SnPt3 has the AuCu3 structure, which is the cubic stacking of the DO19 structure (UPt3). In order to investigate 'UPt3' in this related structure, U was doped onto the Sn sites in SnPt3; samples retained the AuCu3 structure for up to 40 at% U. Results of specific-heat and susceptibility measurements are presented and are consistent with spin glass behavior. Interestingly, the enhanced Sommerfeld coefficient in this system (gamma approximate to 250 mJ U.mol(-1) K-2) signals simultaneous formation of a highly correlated electron state. Hence Sn(1-x)UxPt3 indicates again the nearness of the heavy fermion ground state to magnetism. Reasons for why SnPt3 as a host lattice engenders such behavior, while isostructural (Y, Lu, In) Pt-3 do not, are discussed.
• Adsorption of benzene on ordered Sn/Pt(111) surface alloys
  作者：J. Breitbach、D. Franke、G. Hamm、C. Becker、K. Wandelt

  DOI：10.1016/s0039-6028(02)01168-8

  日期：2002.6

  The adsorption of benzene (C6H6) on Pt(1 1 1) and two Sn/Pt(1 1 1) surface alloys has been investigated using high resolution electron energy loss spectroscopy, ultraviolet photoelectron spectroscopy and temperature programmed desorption. The two ordered Sn/Pt(1 1 1) alloys were prepared by annealing a thin Sri film deposited onto Pt(1 1 1). Depending on the temperature of annealing the surface exhibited a (2 x 2) or (root3 x root3)R30degrees LEED pattern corresponding to a surface composition of Pt3Sn and Pt2Sn, respectively. At temperatures below 350 K benzene adsorbs intact on the pure Pt(1 1 1) surface. The molecule is pi-bonded with its ring parallel to the substrate. Upon heating part of the benzene desorbs and the remaining amount dehydrogenates to carbon. On both Sn/Pt(1 1 1) alloys benzene is physisorbed and the decomposition is completely suppressed. (C) 2002 Elsevier Science B.V. All rights reserved.