不对称分子

用微扰理论和角动量理论具体研究了对称陀螺和不对称陀螺分子的反对称转动极化率和LICD。

The antisymmetric rotational polarizability and LICD of symmetric and asymmetric top molecule are studied concretely using perturbation theory and angular momentum algebra .

B-型长不对称陀螺分子在六极静电场中的转动态选择和取向作用

Hexapole rotational state-selection and orientation of B-type prolate limit asymmetric top molecules

鹅去氧胆酸分子钳、氨基甲酸酯型α–猪去氧胆酸分子钳和脱氧胆酸–不对称脲分子钳为全新设计和首次合成。

Chenodeoxycholic acid , carbaminate type α– hyodeoxycholic and deoxycholic acid unsymmetrical urea molecular tweezers were designed and synthesized for the first time .

手性不对称脲分子钳对卤素阴离子显示了较好的识别选择性，结合常数最高达104M-1。

The chiral molecular tweezers containing unsymmetrical urea unit show good selective recognition for Cl - , Br - , I - and the association constants can reach to 104 M-1 .

其二，我们对一类不对称的分子进行了计算，研究了它的不对称偏压特性亦即分子二极管的整流效应。

The conductance length dependence for several organic molecules is calculated to show the richness in the transport behavior . Second , we calculate a type of asymmetry molecule and study its asymmetry bias property i.e. rectifying characteristic .

新进的研究揭示了这种不对称分裂及其分子原理。

New work illustrates such asymmetric division and its molecular basis .

采用不对称催化剂、分子筛固体酸碱催化剂和生物催化剂等高选择性、高活性的催化剂；

Using super-active and super-selective catalysts , such as asymmetrical catalyst , molecular sieve solid acid and base catalysts , biological catalyses ;

这些衍生物被广泛应用于高分子材料、不对称合成、分子识别和生物医药等领域，特别是在治疗肝病、糖尿病等与代谢有关的疾病方面的广泛应用。

These derivatives play important roles in the fields of macromolecule material , asymmetric synthesis , molecular recognition , biology medicine and so on .

计算结果表明此类极性分子在特定偏压范围内表现出一定的整流效应，这一结果源于前线分子轨道与电极不对称耦合以及分子的极性这两个方面对分子输运性质的影响。

Theoretical results show that the rectifying effect appears in a specific bias voltage range , which originates from the frontier molecular orbitals asymmetrically coupling with two electrodes and the molecular polarity .

本文从无机畸变多面体与不对称共轭有机分子相结合的基本设想出发，首次报道了对金属有机络合物型非线性光学材料的初步探索结果；

According to the idea of " combining the inorganic distorted polyhedron with asymmetric conjugate organic molecules ", preliminary exploratory results of nonlinear optical material of organometallic complex are reported for the first time .

水合2苯甲酰基苯甲酸的晶体结构中一个不对称单元包含1分子2苯甲酰基苯甲酸和1分子水，分子式为C14H10O3（H2O）。

An asymmetric unit in the crystal structure of the title compound C_14H_10O_3 ( H_2O ) consists of one molecule of 2-benzoylbenzoic acid and one water molecule .

手性不对称脲石胆酸分子裂缝对阴离子的识别研究

Recognition of anions by chiral unsymmetrical urea molecular clefts based on lithocholic acid

以石胆酸为spacer，手性不对称脲为侧链，通过三光气桥连，合成了新的手性不对称脲分子裂缝4a-4d。

New chiral molecular clefts 4a ~ 4d have been synthesized by using lithocholic acid as spacer to bridge chiral unsymmetrical urea .