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zifeiyu1221

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[ÇóÖú] Éú³ÉÈȼÆË㣬¦¤HTÊÇoutÎļþµÄÄÄÒ»ÏîÊý¾Ý£¿

¦¤E0 is the change in total energy between the products and the reactants at 0 K;
¦¤ZPE is the difference between the zero-point energies(ZPE)of the products and the reactants;
and ¦¤HT is thermal correction from 0 to 298 K.
²»Çå³þµÄÊÇthermal correction from 0 to 298 K  ¦¤HTµ½µ×ÔÚoutÎļþÖÐÖ¸µÄÊÇÄĸöÊý¾Ý£¿Çë´ó¼ÒÖ¸µ¼£¡
CH4µÄ¦¤HTΪ10.03kj/mol»òÕß0.00381Hartree
ÎÒËù¼ÆËãËùµÃΪ
-------------------
- Thermochemistry -
-------------------
Temperature   298.150 Kelvin.  Pressure   1.00000 Atm.
Atom  1 has atomic number  6 and mass  12.00000
Atom  2 has atomic number  1 and mass   1.00783
Atom  3 has atomic number  1 and mass   1.00783
Atom  4 has atomic number  1 and mass   1.00783
Atom  5 has atomic number  1 and mass   1.00783
Molecular mass:    16.03130 amu.
Principal axes and moments of inertia in atomic units:
                           1         2         3
     EIGENVALUES --    11.47155  11.47160  11.47168
           X            1.00000   0.00000   0.00000
           Y            0.00000   1.00000   0.00001
           Z            0.00000  -0.00001   1.00000
This molecule is an asymmetric top.
Rotational symmetry number  1.
Rotational temperatures (Kelvin)      7.55031     7.55028     7.55023
Rotational constants (GHZ):         157.32316   157.32255   157.32144
Zero-point vibrational energy     119386.1 (Joules/Mol)
                                   28.53397 (Kcal/Mol)
Vibrational temperatures:   2019.82  2019.92  2019.94  2304.23  2304.35
          (Kelvin)           4380.18  4556.14  4556.52  4556.57

Zero-point correction=                           0.045472 (Hartree/Particle)
Thermal correction to Energy=                    0.048333
Thermal correction to Enthalpy=                  0.049277
Thermal correction to Gibbs Free Energy=         0.025803
Sum of electronic and zero-point Energies=            -40.465171
Sum of electronic and thermal Energies=               -40.462310
Sum of electronic and thermal Enthalpies=             -40.461366
Sum of electronic and thermal Free Energies=          -40.484840

                     E (Thermal)             CV                S
                      KCal/Mol        Cal/Mol-Kelvin    Cal/Mol-Kelvin
Total                   30.329              6.380             49.405
Electronic               0.000              0.000              0.000
Translational            0.889              2.981             34.261
Rotational               0.889              2.981             15.076
Vibrational             28.552              0.418              0.068
                       Q            Log10(Q)             Ln(Q)
Total Bot       0.135377D-11        -11.868456        -27.328130
Total V=0       0.111446D+10          9.047063         20.831633
Vib (Bot)       0.121998D-20        -20.913647        -48.155453
Vib (V=0)       0.100432D+01          0.001872          0.004310
Electronic      0.100000D+01          0.000000          0.000000
Translational   0.252295D+07          6.401908         14.740939
Rotational      0.439828D+03          2.643283          6.086384
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wangth0921

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zifeiyu1221(½ð±Ò+2): Èç¹ûÊÇÄÇÑùµÄ»°£¬ÎÒ¼ÆËãµÄC4H8ÓÖ²»¶ÔÁË£¬ÎÄÏ×ÉÏC4H8µÄ¦¤HTΪ0.11608Hartree£¬ÕâÊÇÔõô»ØÊ£¬ÇëÖ¸½Ì£¬Ð»Ð»£¡ Zero-point correction=0.111621 (Hartree/Particle) Thermal correction to Energy= 0.115139 Thermal correction to Enthalpy= 0.116083 Thermal correction to Gibbs Free Energy=0.085931 Sum of electronic and zero-point Energies=-157.060982 Sum of electronic and thermal Energies= -157.057464 Sum of electronic and thermal Enthalpies=-157.056520 Sum of electronic and thermal Free Energies=-157.086672 2011-12-02 09:45:47
zifeiyu1221: »ØÌûÖö¥ 2011-12-02 15:05:45
zifeiyu1221(½ð±Ò+3): ¸Ðлָ½Ì 2011-12-03 16:36:30
Zero-point correction=                           0.045472 (Hartree/Particle)
Thermal correction to Energy=                    0.048333
Thermal correction to Enthalpy=                  0.049277

0.00381 = 0.049277 - 0.045472
3Â¥2011-12-01 23:37:27
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beefly

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2Â¥2011-12-01 23:01:51
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wangth0921

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zifeiyu1221: »ØÌûÖö¥ 2011-12-03 16:25:57
Äã¿ÉÄÜÐèÒª¿´¿´GaussianÍøÕ¾ÉϵÄһƪWhite Paper£¬¡°Gaussian Thermochemistry¡±¡£Êµ¼ÊÉÏÊǼòµ¥µÄͳ¼ÆÈÈÁ¦Ñ§¼ÆËã¡£
ZPE = ZPE
ZPE+E = ZPE + »ý·Ö(Cv*dT)
ZPE+H = ZPE+E + RT
ZPE+G = ZPE+H - T*S
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4Â¥2011-12-02 17:37:02
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zifeiyu1221

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ÒýÓûØÌû:
4Â¥: Originally posted by wangth0921 at 2011-12-02 17:37:02:
Äã¿ÉÄÜÐèÒª¿´¿´GaussianÍøÕ¾ÉϵÄһƪWhite Paper£¬¡°Gaussian Thermochemistry¡±¡£Êµ¼ÊÉÏÊǼòµ¥µÄͳ¼ÆÈÈÁ¦Ñ§¼ÆËã¡£
ZPE = ZPE
ZPE+E = ZPE + »ý·Ö(Cv*dT)
ZPE+H = ZPE+E + RT
ZPE+G = ZPE+H - T*S
²»Òª¹ÜÎÄÏ× ...

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