The title compound was synthesized by the reaction of 3-benzoxybenzaldehyde with 2-hydroxybenzoylhydrazine in ethanol and characterized by IR,UV,1H NMR spectra and elemental analysis.The single crystal structure was d...The title compound was synthesized by the reaction of 3-benzoxybenzaldehyde with 2-hydroxybenzoylhydrazine in ethanol and characterized by IR,UV,1H NMR spectra and elemental analysis.The single crystal structure was determined by X-ray diffraction analysis.The crystal belongs to Monoclinic system,space group Cc with cell constant,a=0.48217（11） nm,b=3.2212（7） nm,c=1.0992（3） nm,β=101.755（5）.,V=1.6714（7） nm3,Z=4,μ=0.090mm-1,DC=1.321 g/cm3,F（000）=696.The crystal measurement showed that the molecule was not coplanar.The crystal structure involving in intermolecular and intermolecular hydrogen bonds was observed,and the intermolecular hydrogen bonds are linked along the c-axis direction to form a chain.The title molecule was calculated by quantum chemistry at the RHF/6-31G level,frontier orbitals electronic densities and charge distribution were discussed.展开更多
作为一种很有前景的建模方法,逆向蒙特卡洛法(reverse Monte Carlo简称RMC法)在无定形碳结构研究中得到了广泛应用。本文阐述了RMC法对于无定形碳材料结构识别的意义,简介了该法的基本原理,综述了在使用RMC法建立无定形碳结构模型时的...作为一种很有前景的建模方法,逆向蒙特卡洛法(reverse Monte Carlo简称RMC法)在无定形碳结构研究中得到了广泛应用。本文阐述了RMC法对于无定形碳材料结构识别的意义,简介了该法的基本原理,综述了在使用RMC法建立无定形碳结构模型时的两大难点,即模拟结构的真实性问题和大尺寸孔网络的建模问题的改进方法和发展趋势。几何约束和能量约束的使用,提高了模拟结构的真实性;具有介孔的多孔碳模型的建立,将成为今后研究的热点。展开更多
文摘The title compound was synthesized by the reaction of 3-benzoxybenzaldehyde with 2-hydroxybenzoylhydrazine in ethanol and characterized by IR,UV,1H NMR spectra and elemental analysis.The single crystal structure was determined by X-ray diffraction analysis.The crystal belongs to Monoclinic system,space group Cc with cell constant,a=0.48217（11） nm,b=3.2212（7） nm,c=1.0992（3） nm,β=101.755（5）.,V=1.6714（7） nm3,Z=4,μ=0.090mm-1,DC=1.321 g/cm3,F（000）=696.The crystal measurement showed that the molecule was not coplanar.The crystal structure involving in intermolecular and intermolecular hydrogen bonds was observed,and the intermolecular hydrogen bonds are linked along the c-axis direction to form a chain.The title molecule was calculated by quantum chemistry at the RHF/6-31G level,frontier orbitals electronic densities and charge distribution were discussed.
文摘作为一种很有前景的建模方法,逆向蒙特卡洛法(reverse Monte Carlo简称RMC法)在无定形碳结构研究中得到了广泛应用。本文阐述了RMC法对于无定形碳材料结构识别的意义,简介了该法的基本原理,综述了在使用RMC法建立无定形碳结构模型时的两大难点,即模拟结构的真实性问题和大尺寸孔网络的建模问题的改进方法和发展趋势。几何约束和能量约束的使用,提高了模拟结构的真实性;具有介孔的多孔碳模型的建立,将成为今后研究的热点。
