1) standard formative heat
标准生成热
1.
This paper has been built up a simple method by use of group electronegativity for calculating the bond dissociation energies of organic compounds containing nitrogen or sulfur, and the method for calculating the standard formative heats of free radical has been obtained.
建立了用基团电负性计算含氮含硫有机物键裂能的简单方法,并且得到自由基标准生成热的计算方法。
2.
By use of the inductive effect index, two formulas have been built up respectively,one is for calculating the standard formative heat Of alkyl derivation, the other is for calculating the bond dissociation energy Of alkyl derivation' A formula for calculating the formative heat of free radical has also been obtained.
利用诱导效应指数,分别建立了计算烷基衍生物的标准生成热、键裂能的方法,并且得到自由基的生成热的计算方法。
3.
A simple formula for calculating the standard formative heat of organic compounds containing nitrogen or sulfur using the inductive effect index is established in this paper.
利用诱导效应指数建立了一个用以计算合硫含氮有机物标准生成热的简单方法,利用此法计算了一些常见含硫含氮有机物的标准生成热,32个可比较值的平均偏差为2。
2) standard heats of formation
标准生成热
1.
Group Electronegativity and Standard Heats of Formation of Organic Compounds Containing Nitrogen or Sulfur;
基团电负性与含氮含硫有机物的标准生成热
2.
A simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up.
利用诱导效应指数建立了一个含羰基有机化合物的标准生成热的简单计算方法。
3) ion standard heat of formation
离子标准生成热
1.
Its 0-order index and 1-order index were related,respectively,with lattice energy,enthalpy of formation,ion hydrated energy of 20 kinds of alkali halides,internuclear distance bond length of gaseous alkali halides,lattice energy of 20 kinds of alkali-earth metal halides,51 kinds of ion hydrated heat,and 80 kinds of ion standard heat of formation,then some regression equations were suggested.
用mG的0,1阶指数分别与20种碱金属卤化物的晶格能U1、生成焓ΔfHm、离子水化能ΔhGθm、气态碱金属卤化物核间距R0、20种碱土金属卤化物的晶格能U2、51种金属离子水合热ΔhHhθ和80种离子标准生成热ΔfHθm关联,所获得的0,1阶指数的拟合回归方程的相关系数(复相关系数)分别为0。
2.
Using their zero and first order index with melting point, magnetic susceptibility,bond length of 16 kinds of alkali halides,with lattice energy of 20 kinds of alkali halides, 20 kinds of alklide-earth metal halides,and 19 kinds of metal oxides, metal sulfides, metal fluorides, with ion standard heat of formation of 80 kinds, the suggests some regression equations were suggested.
p、磁化率Xm、键长Bd、20种碱金属卤化物的晶格能U1、20种碱土金属卤化物的晶格能U2、19种金属氧化物、硫化物和氟化物的晶格能U3和 80种离子标准生成热ΔfHθm关联,拟合的回归方程的相关系数(复相关系数)分别为 0 。
3.
Using their 0 order index with 80 kinds of ion standard heat of formation,a regression equations are suggested.
构建了轨道平均能拓扑指数mYo用mY的0阶指数0Y与80种离子标准生成热ΔfHθm进行关联,拟合的回归方程的相关系数为0。
4) normal HOF in gas state
气态标准生成热
5) standard heat enthalpy of formation
标准生成热焓
6) standard enthalpy of formation
标准生成焓
1.
A thermochemical cycle was designed at 25?℃, the chemical reaction and standard enthalpy of formation were measured by a solution calorimeter, and the solution reaction of [2Dy(NO_3)_3·6H_2O+2Glu+6NaClO_4·H_2O] and [Dy_2(Glu)_2(ClO_4)_4·9H_2O+6Na.
300kJ/mol,计算得到配合物Dy2(Glu)2(ClO4)4·9H2O(s)在25℃时的标准生成焓ΔfHΘm,25℃=-6476。
2.
0 mol ?L-1HCl and ethyl alcohd absolute, a new thermochemical cycle is designed to determine the standard enthalpy of formation for Cd(p-tol)2Cl2.
598kJ·mol1-,并计算出了配合物Cd(p-tol)2Cl2的标准生成焓。
3.
A new thermochemical cycle has been designed to determine the standard enthalpy of formation for Mn(p tol) 2Cl 2.
用溶解量热法测定聚凝相反应的焓变 ,并进一步得到指定物质未见报道的标准生成焓数据 ,是一种较准确的研究手段。
补充资料:标准生成热
分子式:
CAS号:
性质:也称标准生成焓(standard enthalpy of formation)。由标准状态(压力为100kPa,温度TK)下最稳定单质生成标准状态下单位物质的量的化合物的热效应或焓变(△H)称为该化合物的标准生成热(或焓),以符号△fH表示。最稳定的单质的标准生成热规定为零。各种物理化学手册中给出的生成热是在温度为298.15K时生成lmol化合物的标准生成热,叫做标准摩尔生成热(或焓),用符号表示。例如,下列反应在298.15K及101325Pa条件下的摩尔反应热是-393.51kJ/mol。C(固,石墨)+O2(气)=CO2(气)根据定义,CO2的标准摩尔生成热=-393.51kJ/mol
CAS号:
性质:也称标准生成焓(standard enthalpy of formation)。由标准状态(压力为100kPa,温度TK)下最稳定单质生成标准状态下单位物质的量的化合物的热效应或焓变(△H)称为该化合物的标准生成热(或焓),以符号△fH表示。最稳定的单质的标准生成热规定为零。各种物理化学手册中给出的生成热是在温度为298.15K时生成lmol化合物的标准生成热,叫做标准摩尔生成热(或焓),用符号表示。例如,下列反应在298.15K及101325Pa条件下的摩尔反应热是-393.51kJ/mol。C(固,石墨)+O2(气)=CO2(气)根据定义,CO2的标准摩尔生成热=-393.51kJ/mol
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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