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1)  C-H stretching frequency
C-H伸缩振动频率
2)  stretching vibration frequency
伸缩振动频率
1.
The relation between the stretching vibration frequency of X = 0 double bond of alkyl substituted compounds R' X = 0 and the Polarizability Effect Index (PEI) of alkyl group R can be expressed as v = a + bPEI (R), where X represents C, and N elements.
烷基取代物R’X=0的X=0键伸缩振动频率ν与烷基R的极化效应指数PEI(R)的关系可表示为:ν=a+bPEI(R)。
3)  O-H stretching
O-H伸缩振动
4)  stretch frequency of framework
骨架伸缩振动频率
5)  The Vibrational Frequency of the Chemical Bond A-H
A-H键振动频率
6)  extending vibration frequency
伸张振动频率
1.
Using the self experience molecular orbit theory(complete neglect differential overlap)(CNDO/2), this paper calculates the bond length of Silicon Hydrogen in the Silane molecular system, works out a theory formula about the relationship between the extending vibration frequency and bond length of Silicon Hydrogen in Silane molecular system.
论文利用半经验分子轨道理论方法—全略微分重叠(CNDO/2)计算了硅烷类分子体系中的硅氢键长,拟合出硅烷类分子体系中硅氢伸张振动频率同硅氢键长关系的理论公式,利用该拟合公式计算了硅氢伸张振动频率,并同频率实验值进行了比较。
补充资料:伸缩振动
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性质:物质分子中化学键的振动形式之一种。它是分子中原子沿键轴方向的往复运动状态,即改变键长短的振动。它又分为对称伸缩振动(symmetric stretching vibration)和反对称伸缩振动(antisymmetric stretching vibration)。如三原子分子,有两个键长度,同时伸长或缩短为对称伸缩振动;一长一短或一短一长为反对称伸缩振动。

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