Chemistry 版 (精华区)

发信人: zjliu (秋天的萝卜), 信区: Chemistry
标  题: boliwa计算器的未经测试的C语言版本.
发信站: BBS 哈工大紫丁香站 (Thu Jul  8 16:37:11 2004)

发信站: 日月光华  

//-------------------------------------------------------------
// 配分函数计算器V1.0 原产自:boliwa@chemistry@日月光华@20040706
//
// 以下为翻译的C语言版本
// 按照boliwa的Basic程序依样画葫芦翻译了一下
// 其实是不知道怎么算的,寒:)
// Borland C编译器4.12 windows版编译通过
// 按照标准的c来写,应该可以在linux下被编译
//
// !!未经调试和测试!!没希望这个能真正工作,仅供大家参考一下
// 我不是搞这个的,调试不来,呵呵
//
// ㊣20040707
//-------------------------------------------------------------
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
//-------------------------------------------------------------
//-------------------------------------------------------------
const double Boltzmann = 1.380662E-23;
const double Planck = 6.62616E-34;
//-------------------------------------------------------------
struct TCoordinate
{
    double x;
    double y;
    double z;
};
//-------------------------------------------------------------
// 将字符串Str的第Start个位置开始的Count个字符转换为浮点数
double VAL(const char* Str,int Start,int Count)
{
    char Buffer[256];
    Str = Str + Start -1;
    strncpy(Buffer,Str,Count);
    return atof(Buffer);
}
//-------------------------------------------------------------
// 以FileName(文件名)和Temp(温度)为输入参数
// 其他的为输出参数
// 如果函数成功执行则返回true,否则返回false
// 如果函数成功执行则返回true,否则返回false
bool printq(const char* FileName, double Temp, double* p_qt,
                        double* p_qv, double* p_qr, double* p_Epoint,
                        double* p_qv2, double* p_TotQ, double* p_TotQ2)
{
    const double Pi = 3.141592653589793;
    const double C = 299792458;
    const Pressure = 101325;
    const u = 1.66053873E-34;
    const MAX_LINE_LENGTH = 1024;

    double VibFreq[256];
    double MolMass;
    TCoordinate RotConst;
    int RotSymm, VibFree;
    char GetStr[MAX_LINE_LENGTH];
    int I=0;

    FILE *File=fopen(FileName,"r");
    if( File==NULL )
        return false; //error open file
    while( !feof(File) )
    {
    {
        k=0;
        do
        {
            fscanf(File,"%c",&Char);
            if(Char=='\n')
            {
                GetStr[k++] = 0;
                break;
            }
            GetStr[k++] = Char;
        }while(!feof(File));

        if( strncmp(GetStr," Molecular mass:",16 )==0 ) //equal
        {
            MolMass = VAL(GetStr,18,11);
            (*p_qt) = (Boltzmann*Temp/Pressure)*
                    pow(sqrt(2*Pi*MolMass*u*Boltzmann*Temp)/Planck,3);
        }else if( strncmp(GetStr," Sum of electronic and \
zero-point Energies=",  43)==0 )
        {
            (*p_Epoint) = VAL(GetStr,50,20);
        }else if( strncmpi(GetStr," ROTATIONAL SYMMETRY NUMBER",
        }else if( strncmpi(GetStr," ROTATIONAL SYMMETRY NUMBER",
                                                27)==0 )
        {
            RotSymm = (int)(VAL(GetStr,29,2));
        }else if( strncmpi(GetStr," Rotational constant",20)==0 )
        {
            RotConst.x = VAL(GetStr,36,11);
            RotConst.y = VAL(GetStr,48,11);
            RotConst.z = VAL(GetStr,60,11);
            if( RotConst.x!=0 )
                RotConst.x = Planck /(8 * Pi * Pi * RotConst.x * 1E9);
            else
                RotConst.x = -1;
            if( RotConst.y!=0 )
                RotConst.y = Planck /(8 * Pi * Pi * RotConst.y * 1E9);
            else
                RotConst.y = -1;
            if( RotConst.z!=0 )
                RotConst.z = Planck /(8 * Pi * Pi * RotConst.z * 1E9);
            else
                RotConst.z = -1;
            printf("\nRotConst:%g,%g,%g\n",
                                RotConst.x,RotConst.y,RotConst.z);
                                RotConst.x,RotConst.y,RotConst.z);
        }else if( strncmp(GetStr," Frequencies --",16)==0 )
        {
            I++;
            VibFreq[0] = VAL(GetStr,17,10);
            if( strlen(GetStr)>26 )
            {
                I++;
                VibFreq[1] = VAL(GetStr,40,10);
                if( strlen(GetStr)>49 )
                {
                    I++;
                    VibFreq[2] = VAL(GetStr,63,10);
                }
            }
        } // end of if
    }//end of while( !feof(File) )
    fclose(File);

    if( (RotConst.x>0) && (RotConst.y>0) )
        (*p_qr) = 8*Pi*Pi*pow(sqrt(2*Pi*Boltzmann*Temp),3)*
                            sqrt(RotConst.x*RotConst.y*RotConst.z)/
                            RotSymm/pow(Planck,3);
                            RotSymm/pow(Planck,3);
    else
        (*p_qr) = 8*Pi*Pi*RotConst.x*Boltzmann*Temp/
                            RotSymm / pow(Planck,2);

    (*p_qv) = 1;
    (*p_qv2) = 1;

    VibFree = I;
    for(I=1;I<=VibFree;I++)
        if( VibFreq[I]>0 )
            (*p_qv2) = (*p_qv2)*1/
                (1 - exp(-Planck * VibFreq[I]*100*C/Boltzmann/Temp));
    (*p_TotQ) = (*p_qt)*(*p_qv)*(*p_qr);
    (*p_TotQ2) = (*p_qt)*(*p_qv2)*(*p_qr);

    return true;
}
//-------------------------------------------------------------
// 计算并输出各个数据
// 四个参数分别为 温度,过渡态文件名,产物一, 产物二
// 成功执行函数返回true,否则返回false
bool CalcPS(double Temperature,const char* TsFileName,
bool CalcPS(double Temperature,const char* TsFileName,
                        const char* P1FileName, const char* P2FileName)
{
    double qt[256], qv[256], qr[256], Epoint[256], qv2[256];
    double TotQ[256], TotQ2[256], k, E0;
    int i;

    //过渡态
    if( !printq(TsFileName, Temperature, &qt[0], &qv[0],
                &qr[0], &Epoint[0], &qv2[0], &TotQ[0], &TotQ2[0]) )
        return false;
    //产物一
    if( !printq(P1FileName, Temperature, &qt[1], &qv[1],
                &qr[1], &Epoint[1], &qv2[1], &TotQ[1], &TotQ2[1]) )
        return false;
    //产物二
    if( !printq(P2FileName, Temperature, &qt[2], &qv[2],
                &qr[2], &Epoint[2], &qv2[2], &TotQ[2], &TotQ2[2]) )
        return false;

    for(i=0;i<3;i++)
    {
        printf("qt=%g\n",qt[i]);
        printf("qt=%g\n",qt[i]);
        printf("qv=%g\n",qv[i]);
        printf("qr=%g\n",qr[i]);
        printf("eq=%g\n",Epoint[i]);
        printf("qv2=%g\n",qv2[i]);
        printf("totq=%g\n",TotQ[i]);
        printf("totq2=%g\n",TotQ2[i]);
    }
    E0 = (Epoint[0] - (Epoint[1] + Epoint[2])) * 27.2 * 96485;
    printf("E0%g\n",E0);
    k = Boltzmann * Temperature / Planck * TotQ2[0] / TotQ[1]
                / TotQ[2] * exp( -E0 / 8.31 / Temperature);
    printf("k%g\n",k);
    return true;
}
//-------------------------------------------------------------
// 程序入口
// 输入三个文件名为参数
int main(int argc, char* argv[])
{
    CalcPS(298.15,argv[1],argv[2],argv[3]);
    return 0;
}
        printf("totq2=%g\n",TotQ2[i]);
//-------------------------------------------------------------
// 程序入口
// 输入三个文件名为参数
int main(int argc, char* argv[])
{
    CalcPS(298.15,argv[1],argv[2],argv[3]);
    return 0;
}
//-------------------------------------------------------------
// end of source file
//-------------------------------------------------------------
--
╔═══════════════════╗
║★★★★★友谊第一  比赛第二★★★★★║
╚═══════════════════╝


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