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4-双(1-苯基-3-甲基-4-吡唑啉-5-酮)甲烷的晶体结构

Crystal structure of the 4-cis(1-phenyl-3-methyl-4-pyrazyol-5-one)methane
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摘要 The crystal structure and molecular structures of the title compound were determined using Xray analysis.The crystal belongs to monoclinic system with the space group P21/c,C21H20N4O2,with Mr=35839,a=12845(3),b=19334(4),c=073112(5)nm,β=9443(3)°,V=18103(4)nm3,Z=4,DC=132Mg·m-3,μ=0088mm-1,and F(000)=752.The final discrepancy factor R1=01508,and S=0942.The result showed that the dihedral angles between the two pyrazolinone rings and phenyl rings were 1267 and 798°,which indicated that these two planes roughly coplanar to each other forming a big conjugate system. The crystal structure and molecular structures of the title compound were determined using Xray analysis.The crystal belongs to monoclinic system with the space group P21/c,C21H20N4O2,with Mr=35839,a=12845(3),b=19334(4),c=073112(5)nm,β=9443(3)°,V=18103(4)nm3,Z=4,DC=132Mg·m-3,μ=0088mm-1,and F(000)=752.The final discrepancy factor R1=01508,and S=0942.The result showed that the dihedral angles between the two pyrazolinone rings and phenyl rings were 1267 and 798°,which indicated that these two planes roughly coplanar to each other forming a big conjugate system.
出处 《化学研究与应用》 CAS CSCD 北大核心 2003年第2期237-240,共4页 Chemical Research and Application
基金 天津市21世纪青年基金资助项目(003700711)
关键词 4-双(1-苯基-3-甲基-4-吡唑啉-5-酮)甲烷 晶体结构 共轭体系 单晶X-射线衍射 4-cis(1-phenyl-3-methyl-4-pyrazyol-5-one) methane crystal structure conjugate system
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