WebMO Job Summary

359149: Ethene (C2H4), Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N MP2/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C2H4
Symmetry D2H
Basis 6-31G(d)
RHF Energy -78.0309742139 Hartree
MP2 Energy -78.285027463705 Hartree
ZPE 0.052038 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -78.229953 Hartree
Enthalpy -78.229009 Hartree
Free Energy -78.253867 Hartree
Cv 8.042 cal/mol-K
Entropy 52.318 cal/mol-K
Dipole Moment 0.0000 Debye
Server batch (368868)
CPU time 11.3 sec

Geometry Sequence Energies

Step Energy  
0 -78.0290258265  
1 -78.0310314116  
2 -78.0309742139  
3 -78.0309742139  
4 -78.0309742139  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 146.97178 4.90245088154
b 29.91216 0.99776225858
c 24.85383 0.82903453162

Partial Charges

Atom Symbol Charge
1 C -0.354284  
2 C -0.354284  
3 H 0.177142  
4 H 0.177142  
5 H 0.177142  
6 H 0.177142  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 B2U 849.4325 0.8943
2 B2G 937.3933 0.0000
3 B3U 988.0318 93.1738
4 AU 1083.5710 0.0000
5 B3G 1265.1537 0.0000
6 AG 1413.6329 0.0000
7 B1U 1519.3289 5.0924
8 AG 1717.5438 0.0000
9 B1U 3213.5399 10.6569
10 AG 3230.6398 0.0000
11 B3G 3300.5639 0.0000
12 B2U 3323.2504 23.2708
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

MY DESCRIPTION OF EXPERIENCE IS NOT WHAT HAPPENS TO A MAN. EXPERIENCE IS WHAT A MAN DOES WITH WHAT HAPPENS TO HIM. - CHUCK KNOX, SEATTLE SEAHAWKS, 1985