ammonium-D1 | 18987-16-1

• 英文名称: ammonium-D1
• 英文别名: Deuterioazanium
• CAS: 18987-16-1
• 化学式: H₄N
• 分子量: 19.0305
• InChiKey: QGZKDVFQNNGYKY-DYCDLGHISA-O

计算性质

• 辛醇/水分配系数(LogP)：
  -0.7
• 重原子数：
  1
• 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：
  1
• 氢给体数：
  1
• 氢受体数：
  0

反应信息

• 作为产物：
  描述：

  ammonia cation 、 乙烯-d4 以 gaseous matrix 为溶剂， 生成 ammonium-D1
  参考文献：
  名称：

  NH + n和ND + n（n = 0–4）与C 2 H 4和C 2 D 4在300 K下的反应

  摘要：

  给出了同时具有C 2 H 4和C 2 D 4的NH + n和ND + n（n = 0-4）的速率系数和产物离子分布。使用氘代物质可以明确确定每种产物离子类型的分数。数据还证明了该技术如何用于获得有关相对复杂的离子/分子反应机理的信息。

  DOI：

  10.1016/0009-2614(80)80639-7

文献信息

• Studies of the binary reactions of H₃O⁺⋅(H₂O)_0,1,2 ions and their deuterated analogues with D₂O, H₂O, and NH₃
  作者：D. Smith、N. G. Adams、M. J. Henchman

  DOI：10.1063/1.439781

  日期：1980.5

  The rate coefficients and product ion distributions for the binary reactions of H3O+⋅(H2O)0,1,2 and D3O+⋅(D2O)0,1,2 ions with D2O and H2O, respectively, and with NH3 have been studied at 300 K using a selected ion flow tube (SIFT) apparatus. The ions were created in a flowing afterglow ion source and after mass filtering were injected at low energy into the SIFT. All the reactions proceeded at or near the gas kinetic limit. In the D2O and H2O thermoneutral isotopic exchange reactions, the distribution of H and D amongst the product ions and neutrals was seen to be purely statistical. This implies that these reactions proceed via the formation of an intermediate long-lived association ion in which total randomization of the H and D atoms takes place prior to unimolecular decomposition. No appreciable isotopic exchange occurred in the exothermic NH3 reactions which apparently proceeded via the simpler mechanisms of D+ (or H+) or D3O+ (or H3O+) transfer. The differing mechanisms for the H2O and D2O reactions compared to the NH3 reactions are rationalized in terms of the thermicities of the reactions and the lifetimes of the respective intermediate ions.
• Vibrationally state‐selected reactions of ammonia ions. I. NH⁺₃(<i>v</i>)+D₂
  作者：Richard J. S. Morrison、William E. Conaway、Takayuki Ebata、Richard N. Zare

  DOI：10.1063/1.449910

  日期：1986.5.15

  Resonance enhanced multiphoton ionization has been applied to the production of vibrationally state-selected ion beams. Ammonia ions are selectively formed with a specific number of vibrational quanta in the ν2 umbrella bending mode. The effect of vibrational excitation of this mode on the reaction of NH+3(X̃, v=0 to 9) with D2 is examined over the 0.5 to 10 eV center-of-mass kinetic energy range in a tandem quadrupole mass spectrometer. Under these conditions, (1) abstraction of a D atom to form NH3D+ is the dominant reaction channel, (2) NH3D+ having sufficient internal energy may decompose to yield NH2D+ and this decomposition process is enhanced by vibrational excitation of the NH+3 reagent, and (3) NH2D+ is also formed by direct hydrogen–deuterium exchange of NH+3 with D2, but this channel appears as a minor contribution which is insensitive to the vibrational excitation of the NH+3. A spectator stripping model is able to account for the ratio of NH2D+ to NH3D+ as a function of the NH+3 translational and vibrational energy.
• State selected ion–molecule reactions by a coincidence technique. XV. Hydrogen atom abstraction as an electron jump followed by proton transfer in the ND⁺₃ (<i>v</i>)+NH₃ and NH⁺₃ (<i>v</i>)+ND₃ reactions
  作者：Shinji Tomoda、Shinzo Suzuki、Inosuke Koyano

  DOI：10.1063/1.455307

  日期：1988.12.15

  The effects of the vibrational excitation of the ν2 mode of ND+3 (v) and NH+3 (v) on the three channels of their reaction with NH3 and ND3 , respectively, are investigated up to v=12 in the center-of-mass kinetic energy range from 0.9 to 4.5 eV by use of the TESICO technique. The ratio (γ) of the hydrogen/deuterium atom abstraction cross section over the competing deuteron/proton transfer cross section has a maximum systematically at a vibrational level (vmax ) slightly higher than that giving maximum Franck–Condon factor (vFC ) for the neutralization of ND+3 (v)/NH+3 (v). A new reaction model based on a nonadiabatic transition theory and the potential energy surface calculated for the ammonia dimer cation is proposed to explain the experimental results. The hydrogen/deuterium atom abstraction reaction is interpreted as a near resonant electron jump at larger intermolecular separation followed by proton/deuteron transfer which proceeds on the ‘‘electron (charge)–transferred’’ potential surface.
• Nakanaga, T.; Amano, T., Canadian Journal of Physics, 1986, vol. 64, p. 1356 - 1358
  作者：Nakanaga, T.、Amano, T.

  DOI：——

  日期：——