1空間群,結(jié)構(gòu)偏離因子R=0.04,分子式為C11H9NO3,相對(duì)分子質(zhì)量為203.19,立體構(gòu)型與預(yù)測(cè)構(gòu)型一致。均漿穩(wěn)定性實(shí)驗(yàn)結(jié)果表明,不同極性溶劑中得到的晶體粉末X射線未發(fā)生變化,即晶型穩(wěn)定性良好。結(jié)論 實(shí)驗(yàn)確證了(S)-N-環(huán)氧丙基鄰苯二甲酰亞胺的立體結(jié)構(gòu),且晶型穩(wěn)定性良好。;Objective To grow crystals of (S)-N-glycidyl phthalimide and investigate the corresponding structure and thermodynamic stability. Methods Evaporation and vapor diffusion methods were applied to grow crystals of (S)-N-glycidyl phthalimide. Different analysis methods including differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), infrared spectrometry (IR), powder X-ray diffraction (PXRD), and single X-ray diffraction (SXRD) were used to characterize the corresponding crystal structure. Results The DSC curves, TGA curves, IR spectra, and PXRD spectra of samples grown by the above methods were all consistent. Referring to the DSC and TGA results, the melting and decomposition temperatures were determined to be around 100.56℃ and 128.2℃, respectively. SXRD confirms the monoclinic lattice with space group P21 in (S)-N-glycidyl phthalimide crystal with a refinement value (R) of 0.04. Moreover, the chemical formula and relative molecular mass were C11H9NO3 and 203.19, respectively. The measured crystal structure was in good agreement with the predicted one. Further, slurry experiments, which were performed in different polar solvents, confirmed the stability of the solid state of (S)-N-glycidyl phthalimide based on the PXRD determination. Conclusion Crystal structure of (S)-N-glycidyl phthalimide is characterized and the corresponding thermodynamic stability is investigated."/>

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首頁(yè) > 過(guò)刊瀏覽>2018年第33卷第7期 >2018,33(7):1555-1560. DOI:10.7501/j.issn.1674-5515.2018.07.001
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(S)-N-環(huán)氧丙基鄰苯二甲酰亞胺的單晶制備及其表征

Single crystal growth and characterization of (S)-N-glycidyl phthalimide

發(fā)布日期:2018-07-20