Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Ion Exchange01:17

Ion Exchange

Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or basic...
Molecular Structure and Acidity02:34

Molecular Structure and Acidity

An acid can be deprotonated to form a conjugate base or an anion. If the produced anion is more stable, then the acid is stronger. On the contrary, if the anion is unstable, then the acid is weaker. Hence, to determine the acidity of the compound, the stability of its conjugate base is studied using various factors.
The size effect explains the change in atomic size on acidity. When comparing the acids formed from elements that belong to the same column in the periodic table, their atomic sizes...
Ions as Acids and Bases02:54

Ions as Acids and Bases

Salts with Acidic Ions
Salts are ionic compounds composed of cations and anions, either of which may be capable of undergoing an acid or base ionization reaction with water. Aqueous salt solutions, therefore, may be acidic, basic, or neutral, depending on the relative acid-base strengths of the salt’s constituent ions. For example, dissolving the ammonium chloride in water results in its dissociation, as described by the equation:
π Molecular Orbitals of the Allyl Cation and Anion01:18

π Molecular Orbitals of the Allyl Cation and Anion

An allyl group is a three-carbon conjugated system where the sp³-hybridized allylic carbon is bonded to a CH=CH2 group via a single bond. Allyl anions can be obtained by treating propene with a strong base that can deprotonate methyl groups. Allyl cations are formed as intermediates during substitution reactions involving allylic halides. In both cases, the hybridization of the allylic carbon changes from sp3 to sp2, giving rise to a carbon chain with three sp2-hybridized carbons, each with an...
Aromatic Hydrocarbon Anions: Structural Overview01:18

Aromatic Hydrocarbon Anions: Structural Overview

Neutral hydrocarbons like cyclopentadiene with an odd number of carbon atoms and one intervening CH2 group in the ring are not aromatic. Cyclopentadiene with 4 π electrons does not satisfy the 4n + 2 π electron rule. Additionally, the intervening CH2 group is sp3 hybridized and lacks a vacant p orbital, thereby interrupting the overlap of p orbitals in a continuous manner and preventing the delocalization of π electrons throughout the ring.
Due to the absence of continuous overlap of p...
Preparation of Acid Anhydrides01:07

Preparation of Acid Anhydrides

One of the methods for preparing symmetrical or unsymmetrical acid anhydrides involves the treatment of acid chlorides with the sodium salt of carboxylic acids. The reaction proceeds via a nucleophilic acyl substitution.
The carboxylate ion acts as a nucleophile that attacks the carbonyl carbon of the acid chloride to form a tetrahedral intermediate. Subsequently, the re-formation of the carbonyl group with the loss of the chloride ion as a leaving group leads to the formation of an acid...

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Resolving a Nearly Two-Centuries-Old Mystery: On the Structural Chemistry and Physicochemical Properties of Compounds Associated With the Term Ammelide.

Chemistry (Weinheim an der Bergstrasse, Germany)·2025
Same author

Energetic plasticizers for GAP-based formulations with ADN: compatibility and performance evaluation of a nitrofurazanyl ether.

RSC advances·2025
Same author

Synthesis and Characterization of 1-Hydroxy-5-Methyltetrazole and Its Energetic Salts.

Molecules (Basel, Switzerland)·2025
Same author

Development of Melt-Castable Explosive: Targeted Synthesis of 3,5-Dinitro-4-Methylnitramino-1-Methylpyrazole and Functional Derivatization of Key Intermediates.

Molecules (Basel, Switzerland)·2025
Same author

Synthesis and characterization of novel nitrofurazanyl ethers as potential energetic plasticizers.

RSC advances·2025
Same author

1-Amino-5-nitriminotetrazolate as a promising anion in safe yet powerful energetic coordination compounds.

Dalton transactions (Cambridge, England : 2003)·2025
Same journal

Linker Engineering toward NIR-II Metal-Organic Framework with Maximal Emission beyond 1000 nm for Inflammatory Bowel Disease Imaging.

Journal of the American Chemical Society·2026
Same journal

Observing Kinetic Selectivity in Anthracene Photodimerization through Selective Quenching by Excited States of Proximate Rare Earth Cations.

Journal of the American Chemical Society·2026
Same journal

Sequence-Dependent Folding of Recognition-Encoded Melamine Oligomers.

Journal of the American Chemical Society·2026
Same journal

Large Thermo- and Mechanosalient Actuation via Cooperative Twist Elasticity-Induced Packing Motif Conversion.

Journal of the American Chemical Society·2026
Same journal

Discovery and Biosynthesis of Lanthipeptides Featuring an Azepinoindole Scaffold by Radical <i>S</i>-Adenosylmethionine Enzyme-Catalyzed C-C Bond Formation.

Journal of the American Chemical Society·2026
Same journal

Enantiopurity-Controlled Magnetism in a Two-Dimensional Organic-Inorganic Material.

Journal of the American Chemical Society·2026
関連記事をすべて見る

関連する実験動画

Updated: Jun 26, 2026

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F&#8722;
06:53

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−

Published on: July 27, 2018

CN7 (((-) アニオンについて

Thomas M Klapötke1, Jörg Stierstorfer

  • 1Department Chemistry and Biochemistry, Energetic Materials Research, Ludwig-Maximilian University of Munich, Butenandtstr. 5-13, D-81377 Munich, Germany. tmk@cup.uni-muenchen.de

Journal of the American Chemical Society
|January 1, 2009
PubMed
まとめ
この要約は機械生成です。

研究者らは,原発爆発物としての可能性のある高窒素テトラゾール塩を合成した. Hydrazinium azidotetrazolateは,知られているテトラゾール塩の中で最も高い窒素含有量を示しており,エネルギー特性を示しています.

さらに関連する動画

Determination of the Gas-phase Acidities of Oligopeptides
11:00

Determination of the Gas-phase Acidities of Oligopeptides

Published on: June 24, 2013

Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid
08:54

Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid

Published on: January 25, 2020

関連する実験動画

Last Updated: Jun 26, 2026

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F&#8722;
06:53

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−

Published on: July 27, 2018

Determination of the Gas-phase Acidities of Oligopeptides
11:00

Determination of the Gas-phase Acidities of Oligopeptides

Published on: June 24, 2013

Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid
08:54

Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid

Published on: January 25, 2020

科学分野:

  • 無機化学 無機化学とは
  • マテリアルサイエンス 材料科学
  • エネルギー物質 エネルギー物質

背景:

  • 新エネルギー材料の合成は,推進剤や爆発物を含む様々な分野における進歩にとって極めて重要です.
  • テトラゾール誘導体は,高い窒素含量とエネルギー化合物としての可能性で知られています.

研究 の 目的:

  • 5-アジド-1H-テトラゾールから派生した新しいエネルギー塩を合成し,特徴づけること.
  • これらの塩の性質を評価し,窒素含量,感度,エネルギー性能に焦点を当てます.

主な方法:

  • 5-アジド-1H-テトラゾールのデプロトン化により,様々なアジドテトラゾラート塩を形成する.
  • 低温単一X線微分法,IR,ラーマン光譜法,多核性NMR,質量スペクトロメトリ,微分スキャニング熱計を用いた特徴付け.
  • 感度試験 (衝撃,摩擦,電気の火花) と量子力学計算 (CBS-4M) は,熱の形成,爆発特性,および特定のインパルス.

主要な成果:

  • いくつかの新しいアジドテトラゾラート塩が成功裏に合成され,特徴づけられました.
  • Hydrazinium azidotetrazolate (2) は,知られているテトラゾール塩の中で最も高い窒素含有量 (87.48%) を示した.
  • 塩2,3,4,および5は,爆発圧力と爆発速度に相関する計算された形成熱で,一次爆発特性を示した.

結論:

  • 合成されたアジドテトラゾラート塩は,高窒素エネルギー材料の新種を代表しています.
  • ハイドラジニウムアジドテトラゾラートは,例外的な窒素含有量と,一次爆発物としての潜在能力を示しています.
  • この研究は,高度なエネルギー化合物の設計と適用のための貴重なデータを提供します.