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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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2,5二(2,4二乙基苯甲酰基)对苯二甲酸的合成及晶体结构
DOI: 10.3969/j.issn.1671-7627.2008.02.010, PP. 40-44
Keywords: 2,5二(2,4二乙基苯甲酰基)对苯二甲酸,合成,晶体结构
Abstract:
以均苯四甲酸酐与间二乙苯为原料,合成了未见文献报道的2,5二(2,4二乙基苯甲酰基)对苯二甲酸,利用溶剂挥发法得到该化合物的单晶.同时对其进行了元素分析、核磁共振表征和x射线单晶衍射分析.晶体结构分析结果表明:该晶体属于三斜晶系,p1空间群,a=0.5451(11)nm,b=0.7511(15)nm,c=1.5844(3)nm,α=84.45(3)°,β=85.37(3)°,γ=85.86(3)°,dc=1.258g/cm3,z=2,f(000)=258,μ=8.7×10-8nm-1,最终偏差因子分别为r=0.1473,wr=0.2097.分子之间通过相邻分子间形成的o-h…o氢键相连,分子间和内部的氢键使得晶体结构稳定性增强.
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