The crystal structure of 5-{[(4′-heptoxy-biphenylyl-4-yl)oxy]carbonyl}-1-pentyne({A3E′O7}) was investigated by wide angle X-ray diffraction(WAXD), transmission electron microscope(TEM) and atom force microscope(AFM)...The crystal structure of 5-{[(4′-heptoxy-biphenylyl-4-yl)oxy]carbonyl}-1-pentyne({A3E′O7}) was investigated by wide angle X-ray diffraction(WAXD), transmission electron microscope(TEM) and atom force microscope(AFM). The structures of A3E′O7 solution-crystal and melt-crystal are the same. The crystals belong to the monoclinic P112/m space group, the cell parameters are {a0.589 nm}, b0^771 nm, c4.75 nm, αβ90° and γ93.8°, the calculated cell density is {1.167 g/cm+3}.展开更多
The crystal structure and molecular structures of the title compound were determined using Xray analysis.The crystal belongs to monoclinic system with the space group P21/c,C21H20N4O2,with Mr=358...The crystal structure and molecular structures of the title compound were determined using Xray analysis.The crystal belongs to monoclinic system with the space group P21/c,C21H20N4O2,with Mr=35839,a=12845(3),b=19334(4),c=073112(5)nm,β=9443(3)°,V=18103(4)nm3,Z=4,DC=132Mg·m-3,μ=0088mm-1,and F(000)=752.The final discrepancy factor R1=01508,and S=0942.The result showed that the dihedral angles between the two pyrazolinone rings and phenyl rings were 1267 and 798°,which indicated that these two planes roughly coplanar to each other forming a big conjugate system.展开更多
文摘The crystal structure of 5-{[(4′-heptoxy-biphenylyl-4-yl)oxy]carbonyl}-1-pentyne({A3E′O7}) was investigated by wide angle X-ray diffraction(WAXD), transmission electron microscope(TEM) and atom force microscope(AFM). The structures of A3E′O7 solution-crystal and melt-crystal are the same. The crystals belong to the monoclinic P112/m space group, the cell parameters are {a0.589 nm}, b0^771 nm, c4.75 nm, αβ90° and γ93.8°, the calculated cell density is {1.167 g/cm+3}.
文摘The crystal structure and molecular structures of the title compound were determined using Xray analysis.The crystal belongs to monoclinic system with the space group P21/c,C21H20N4O2,with Mr=35839,a=12845(3),b=19334(4),c=073112(5)nm,β=9443(3)°,V=18103(4)nm3,Z=4,DC=132Mg·m-3,μ=0088mm-1,and F(000)=752.The final discrepancy factor R1=01508,and S=0942.The result showed that the dihedral angles between the two pyrazolinone rings and phenyl rings were 1267 and 798°,which indicated that these two planes roughly coplanar to each other forming a big conjugate system.