摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词

arsane;niobium

中文名称
——
中文别名
——
英文名称
arsane;niobium
英文别名
——
arsane;niobium化学式
CAS
——
化学式
AsNb
mdl
——
分子量
167.828
InChiKey
GVTZWDUWMXDLSE-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    -1.19
  • 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

  • 作为反应物:
    描述:
    arsane;niobium 在 O2 作用下, 以 neat (no solvent) 为溶剂, 生成 niobium(V) oxide
    参考文献:
    名称:
    Beiträge zur chemie der elemente niob und tantal
    摘要:
    DOI:
    10.1016/0022-5088(65)90078-0
  • 作为产物:
    描述:
    砷化氢 以 neat (no solvent) 为溶剂, 生成 arsane;niobium
    参考文献:
    名称:
    Nb(9)PdAs(7):M(n2 + 3n + 2)X(n2 + n)Y六边形结构族中的唯一排列。
    摘要:
    通过元素的反应制备了三元过渡金属砷化物Nb(9)PdAs(7),并通过单晶X射线衍射法确定了其结构。它采用一种新的结构类型(Pearson符号hP51,六边形,空间群P6,Z = 3),其晶胞参数a = 16.6955(6)和c = 3.5582(1)A。该结构包含以As为中心的三角装配通过共享三角形面而延伸为三角形列的棱镜。Nb(9)PdAs(7)不仅扩展了具有通式M(n2 + 3n + 2)X(n2 + n)Y的六边形结构族到n = 4,这是迄今为止已知的最高成员,但它也显示独特的功能,其中有两种不同类型的三角柱,一种具有与其他原子(Nb)不同的角原子(Pd)。提出了M(n2 + 3n + 2)X(n2 + n)Y家族成员之间的结构关系。通过扩展的Hückel能带结构计算分析了Nb(9)PdAs(7)中的化学键。
    DOI:
    10.1021/ic010544h
点击查看最新优质反应信息

文献信息

  • Effect of magnetic field on the hydrogen evolution activity using non-magnetic Weyl semimetal catalysts
    作者:Uttam Gupta、Catherine R. Rajamathi、Nitesh Kumar、Guowei Li、Yan Sun、Chandra Shekhar、Claudia Felser、C. N. R. Rao
    DOI:10.1039/d0dt00050g
    日期:——
    An external switch to control the kinetics of the reaction by manipulating the participating electrons could be interesting as it can alter the rate of the reaction without affecting the reaction pathway. The magnetic field, like a switch, is non-invasive, tunable, and clean; it can also alter the electrons in a material. We study the effect of an applied magnetic field on the hydrogen evolution activity
    通过操纵参与的电子来控制反应动力学的外部开关可能很有趣,因为它可以改变反应速率而不影响反应路径。磁场像开关一样,是非侵入性的,可调节的且干净的。它也可以改变材料中的电子。我们研究了施加磁场对Weyl半金属NbP族的氢析出活性的影响,因为它们在室温下具有极高的迁移率和较大的磁阻,并且具有良好的氢析出性能。我们发现,通过施加约3500 G的磁场,NbP的析氢活性最多可提高95%。Weyl半金属家族的其他成员(也就是TaP,NbAs和TaAs)也表现出增强的析氢活性。从而,
  • A Series of MAX Phases with MA‐Triangular‐Prism Bilayers and Elastic Properties
    作者:Hongxiang Chen、Dongliang Yang、Qinghua Zhang、Shifeng Jin、Liwei Guo、Jun Deng、Xiaodong Li、Xiaolong Chen
    DOI:10.1002/anie.201814128
    日期:2019.3.26
    among MAX phases. Isostructural 321 phases V3As2C, Nb3P2C, and Ta3P2C are also found to exist. First‐principles calculations reveal the outstanding elastic stiffness in 321 phases. Among all 321 phases, Nb3P2C is predicted to have the highest elastic properties. These 321 phases, represented by a chemical formula Mn+1AnX, were added as new members to the MAX family and their other properties deserve
    我们报告了一种新型的MAX相(M =过渡金属,A =主族元素,X = C / N),Nb 3 As 2 C,命名为321相。它与以前的所有M n +1 AX n相不同,它包括在其晶胞中交替堆叠一个MX层和两个MA层,而在通常的MAX相中仅允许一个MA层。新的321相具有高达225(3)GPa的Nb 3 As 2 C体积模量,这是通过高压同步加速器X射线衍射确定的,这是MAX相中最高的值之一。同构321相V 3 As 2 C,Nb 3 P 2 C和Ta 3P 2 C也发现存在。第一性原理计算揭示了321相的出色弹性刚度。在所有321相中,Nb 3 P 2 C预计具有最高的弹性。用化学式M n +1 A n X表示的这321个相作为MAX系列的新成员加入,它们的其他性质值得进一步研究。
  • The crystal structure of Hf1.5+δNb1.5−δAs and structure–composition relations in the section Hf3As–Nb3As
    作者:Piotr Warczok、Igor Chumak、Klaus W. Richter
    DOI:10.1016/j.jssc.2009.01.020
    日期:2009.4
    fragments formed by metal atoms. Structural relations with various binary arsenides are discussed. The structure of Hf1.5+δNb1.5−δAs shows significant preferred site occupation of Hf and Nb at the three independent metal positions (differential fractional site occupancy). Structure–composition relations in the section Hf3As–Nb3As which also contains the new phase Hf2+δNb1−δAs with Ti3P-type structure
    标题化合物的Hf 1.5+ δ铌1.5 δ正如其特征在于,单晶X射线衍射装置。它代表了一种新的金属间化合物结构类型(空间群Pnma ;晶格参数a = 7.142(2)Å,b = 3.583(2)Å,c = 11.640(2)Å),并且均质性范围较小,对应于(0.1 < δ <0.25)在1400°C下。晶体结构可以通过金属原子的As中心三角棱镜和金属原子形成的bcc样碎片的组合来观察。讨论了与各种二元砷化物的结构关系。HF的结构1.5+ δ铌1.5 δ如图所示,在三个独立的金属位置上,Hf和Nb的明显优先位占据(差异位点占位率)。在部分铪结构的组合物关系3作为铌3作为其中还包含新相的Hf 2+ δ铌1- δ与钛3 P型结构(空间群P 4 2 / Ñ)进行了讨论。各种有序化合物的基态能量与HF 1.5+ δ铌1.5 δ AS-,钛3 P-和Ta 3从头算密度函数理论计算出As型结构。这些能量
  • The crystal structures of Hf3±δNb4±δAs3 and Hf7.2Nb3.8As4: Members of a homologous series combining W-type, Mg-type and AlB2-type building blocks
    作者:Igor Chumak、Piotr Warczok、Klaus W. Richter
    DOI:10.1016/j.jssc.2009.12.028
    日期:2010.3
    independent metal sites, with varying Hf/Nb ratios, so the compound is stabilized by differential fractional site occupation (DFSO). The compound Hf7.2Nb3.8As4 is isostructural with Zr6.45Nb4.55P4 (Immm, oI30) and was found to be metastable at the temperature of annealing (1400 °C). Similar to the type structure, Hf7.2Nb3.8As4 is stabilized by (DFSO). Structural relations of the two compounds with Hf1.5+δNb1
    通过电弧熔化和随后在1400°C的退火,在Hf–Nb–As系统中合成了两种新的部分有序化合物,并通过单晶X射线衍射对其结构进行了表征。该化合物的Hf 3± δ的Nb 4± δ作为3是同构与Zr 3的Pd 4 P 3和Hf 3的Pd 4 P 3(空间群:晶Pnma,皮尔逊符号oP处40)和示出了限制组合物的Hf之间的相当大的同质性范围2.4 Nb 4.6 As 3和Hf 4.1 Nb2.9作为3。在所有七个独立的金属位点都发现了Hf和Nb的混合占据,且Hf / Nb的比率各不相同,因此该化合物可通过不同的分数位点占据(DFSO)来稳定。该化合物的Hf 7.2的Nb 3.8如4是同结构的Zr 6.45 Nb的4.55 P 4(IMMM,OI 30)和被认为是在退火温度(1400℃)的亚稳。与类型结构相似,Hf 7.2 Nb 3.8 As 4通过(DFSO)稳定化。用HF两种化合物的结构关系1.5+
  • BaGa<sub>2</sub><i>Pn</i><sub>2</sub> (<i>Pn</i> = P, As): New Semiconducting Phosphides and Arsenides with Layered Structures
    作者:Hua He、Ryan Stearrett、Edmund R. Nowak、Svilen Bobev
    DOI:10.1021/ic100940b
    日期:2010.9.6
    Reported are the synthesis, the structural characterization, and the electronic band structures of two new Zintl phases: BaGa2P2 and BaGa2As2. Both compounds are isoelectronic and isotypic and crystallize in a monoclinic system with a new structure type (Pearson symbol mP20). The structures have been established by single-crystal X-ray diffraction, space group P2(1)/c (Z = 4), with lattice parameters as follows: a = 7.3363(13)/7.495(5) angstrom; b = 9.6648(17)/9.901(6) angstrom; c 7.4261(13)/7.643(5) angstrom; beta =115.373(2)degrees/115.381(8)degrees for BaGa2P2/BaGa2As2, respectively. The atomic arrangements in both cases are devoid of disorder and are best rationalized as polyanionic layers, (2)(infinity)[Ga(2)Pn(2)](2-) (Pn = P, As), with Ba2+ cations separating them. The layers, in turn, can be viewed as the result of condensation of Ga(2)Pn(6) units, which are isosteric with the ethane molecule in its staggered conformation. Structural parallels with other known Zintl phases are presented. The electronic structures, computed using the tight-binding linear muffin-tin orbital methods (TB-LMTO), are discussed as well.
查看更多