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4,4'-Dimethoxyoctafluorobiphenyl Sale

(Synonyms: 4,4'-二甲氧基八氟联苯) 目录号 : GC42323

A compound for studying rotational dynamics

4,4'-Dimethoxyoctafluorobiphenyl Chemical Structure

Cas No.:2200-71-7

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1g
¥770.00
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5g
¥2,502.00
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Sample solution is provided at 25 µL, 10mM.

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产品描述

4,4'-Dimethoxyoctafluorobiphenyl is a compound that has been used to investigate the relationship between intramolecular rotational dynamics and molecular and crystal structure using NMR spin-lattice relaxation experiments.

Chemical Properties

Cas No. 2200-71-7 SDF
别名 4,4'-二甲氧基八氟联苯
Canonical SMILES COC1=C(F)C(F)=C(C2=C(F)C(F)=C(OC)C(F)=C2F)C(F)=C1F
分子式 C14H6F8O2 分子量 358.2
溶解度 DMF: 30 mg/mL,DMSO: 20 mg/mL,Ethanol: 30 mg/mL,Ethanol:PBS (pH 7.2)(1:2): 0.3 mg/mL 储存条件 Store at -20°C
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溶解性数据

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1 mg 5 mg 10 mg
1 mM 2.7917 mL 13.9587 mL 27.9174 mL
5 mM 0.5583 mL 2.7917 mL 5.5835 mL
10 mM 0.2792 mL 1.3959 mL 2.7917 mL
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Research Update

Nonexponential solid state 1H and 19F spin-lattice relaxation, single-crystal X-ray diffraction, and isolated-molecule and cluster electronic structure calculations in an organic solid: coupled methyl group rotation and methoxy group libration in 4,4'-Dimethoxyoctafluorobiphenyl

J Phys Chem A 2012 Dec 6;116(48):11946-56.PMID:23098094DOI:10.1021/jp3075892

We investigate the relationship between intramolecular rotational dynamics and molecular and crystal structure in 4,4'-Dimethoxyoctafluorobiphenyl. The techniques are electronic structure calculations, X-ray diffractometry, and (1)H and (19)F solid state nuclear magnetic resonance relaxation. We compute and measure barriers for coupled methyl group rotation and methoxy group libration. We compare the structure and the structure-motion relationship in 4,4'-Dimethoxyoctafluorobiphenyl with the structure and the structure-motion relationship in related compounds in order to observe trends concerning the competition between intramolecular and intermolecular interactions. The (1)H spin-lattice relaxation is nonexponential in both the high-temperature short-correlation time limit and in the low-temperature long-correlation time limit, albeit for different reasons. The (19)F spin-lattice relaxation is nonexponential at low temperatures and it is exponential at high temperatures.