分子内氢键,Intramolecular hydrogen bond
1)Intramolecular hydrogen bond分子内氢键
1.It was found that (i) Hydroxyls of HYP at position 1,2 could form intramolecular hydrogen bond(IHB) through crossing a barrier of about 20kJ/mol and rotating around C-0 bond, and the hydrogen bond energy was estimated to be approximately 10kJ/mol.HYP1,2位OH可越过20kJ/mol左右的势垒,绕C—O键旋转而形成分子内氢键,并估算出键能约为10kJ/mol;2。
2.The relationships between nitrobenzenes s impact sensitivities and intramolecular hydrogen bonds were investigated.讨论了分子内氢键与其撞击感度的关系,结果表明氢键的形成可能对分子的撞击感度起钝化作用。
3.The single-crystal structure shows that 1 displays a 1,2′-conformation and two intramolecular hydrogen bondings between CO (Trp) and NH (another Trp) of each peptide chain induce the chirality-organized structure.单晶结构表明,该化合物通过2个分子内氢键,形成了规则的手性构象。
英文短句/例句
1.Molecular Mechanics Investigation of the Intra molecular Hydrogen Bond Stability of Bile Acids胆汁酸分子内氢键稳定性的分子力学研究
2.The Effect of Intramolecular Hydrogen Bonds on the Fluorescence Spectrometry of Magnolol and Honokiol分子内氢键对厚朴酚、和厚朴酚荧光光谱的影响
3.The Effect of Intramolecular Hydrogen Bond on Reactivity of 6,7- Hydroxyl Groups to Acetylation in ent - Kaurene Diterpenoids对映-贝壳杉烯二萜分子内氢键对6,7位羟基化学反应性影响研究
4.These acids exist in intramolecularly bonded forms.这些酸呈内分子氢键的形式存在。
5.Theoretical Study of Hydrogen Bonds and Dihydrongen Bonds between π-conjugate Hetero-cyclic Molecules and Some Proton Donors杂环芳香体系分子间氢键和双氢键的理论研究
6.Construction of Supramolecular Networks Based on Coordination and Hydrogen Bonds;基于配位键和氢键的超分子网络结构
7.Theoretical Study of Halogen Bonding-A World Parallel to Hydrogen Bonding;与氢键平行的分子间相互作用—卤键的理论研究
8.Structures and Properties of Halogen Bond and Hydrogen Bond Formed between CH_3SH and HOClCH_3SH与HOCl分子间氢键和卤键的结构与性质
9.Nitric acid molecules are linked by hydrogen bonds.硝酸分子以氢键互相连结。
10.Steric Effects Promoted Intermolecular C-H…O Hydrogen Bonds in Solution;立体效应促进的分子间C—H…O氢键
11.Theoretical Study on Dihydrogen Bonds of NH_3AlH_3 with Several Small MoleculesNH_3AlH_3与若干小分子的双氢键的理论研究
12.Theoretical Study of Hydrogen Bond in the CH_2O_2-M(M=HF,H_2O) DimersCH_2O_2-M(M=HF,H_2O)分子间氢键的理论研究
13.The Function of Hydrogen Bond in Polymer BlendsⅠ.Characters and Affecting Factors of Hydrogen Bond高分子共混物中氢键的作用Ⅰ.氢键的特征描述以及影响因素
14.Several weak molecular interactions responsible for the maintenance of tertiary structure of proteins are covalent, ionic, hydrogen, and hydrophobic or hydrophilic bonds.一些决定蛋白质三级结构的主要的弱分子作用力为共价键,离子键,氢键,疏水键和亲水键。
15.Anion Sensing Based on PET and Hydrogen Bonding;基于PET和分子间氢键机理的阴离子探针
16.The Function of Hydrogen Bond in Polymer Blends Ⅱ.Effects of Hydrogen Bond and Incorporation Methods into Polymer Blends高分子共混物中氢键的作用Ⅱ.氢键对高分子共混物性能的影响以及引入方法
17.The linear glucan molecules of cellulose are bound together by hydrogen bonds.纤维素中直链葡聚糖分子由氢键连接在一起。
18.Studies on a Side Chain Liquid Crystalline Polymer Self-Assembling Through Intermolecular Hydrogen Bond一种通过分子间氢键自组装的侧链液晶聚合物
相关短句/例句
Intramolecular Hydrogen Bonding分子内氢键
1.The distribution fraction of OS with intermolecular hydrogen bonding is higher than that of OS with intramolecular hydrogen bonding in aqueous solutions.结果表明,在OS与-βCD形成的包结物中,-βCD的分子空腔有利于OS分子间氢键的形成,从而导致基于分子间氢键的短波长荧光增强而基于分子内氢键的长波长荧光减弱;与-βCD相比,DM--βCD因端口边沿处甲基取代基对包结作用会产生立体位阻,更有利于OS形成分子间氢键。
3)intramolecular H-bond energy分子内氢键键能
1.The results show that theintramolecular H-bond energy is-6.提出一种计算多肽中N-H…O=C分子内氢键键能的新方法。
4)Intramolecular hydrogen分子内共振氢键
5)NH…S Hydrogen bondNH…S分子内氢键
6)intramolecular blue-shifting hydrogen bonding分子内蓝移氢键
延伸阅读
-戊内酯、3-甲基丁内酯、咖吗-戊内酯CAS: 108-29-2 分子式: C5H8O2 分子质量: 100.12 沸点: 207-208℃ 熔点: -31-208℃ 中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯 英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton 性质描述: 无色至微黄色液体。凝固点-31℃，沸点205-206.5℃，83-84℃（1.73kPa），相对密度（25/25℃）1.0578，折光率（nD25）1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。 生产方法: 由不饱和羧酸通过闭环反应来合成，例如乙酰乙酸与硫酸共热，或乙酰丙酸在镍、铜等催化剂存在下加氢。 用途: γ-戊内酯有较强的反应能力，可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂，用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
