WebMO Job Summary

359152: trans-2-butene (C4H8), Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N MP2/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C4H8
Symmetry C2H
Basis 6-31G(d)
RHF Energy -156.109395174 Hartree
MP2 Energy -156.62592365706 Hartree
ZPE 0.110714 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -156.509742 Hartree
Enthalpy -156.508798 Hartree
Free Energy -156.541990 Hartree
Cv 18.002 cal/mol-K
Entropy 69.859 cal/mol-K
Dipole Moment 0.0000 Debye
Server batch (368871)
CPU time 56.4 sec

Geometry Sequence Energies

Step Energy  
0 -156.105588573  
1 -156.109478922  
2 -156.109395174  
3 -156.109395174  
4 -156.109395174  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 34.54508 1.15229983537
b 3.72768 0.12434202064
c 3.51080 0.11710768254

Partial Charges

Atom Symbol Charge
1 C -0.507285  
2 C -0.162896  
3 C -0.162896  
4 C -0.507285  
5 H 0.166606  
6 H 0.168024  
7 H 0.166606  
8 H 0.168945  
9 H 0.168945  
10 H 0.168024  
11 H 0.166606  
12 H 0.166606  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 AU 170.5912 0.9412
2 BG 219.0560 0.0000
3 AU 248.3471 3.2396
4 BU 286.5915 0.8013
5 AG 509.4111 0.0000
6 BG 746.7395 0.0000
7 AG 906.8341 0.0000
8 AU 1012.4658 31.0479
9 BU 1019.5900 12.1585
10 BG 1092.3412 0.0000
11 AU 1107.7750 0.2861
12 BU 1122.5520 0.7766
13 AG 1205.3786 0.0000
14 AG 1363.8479 0.0000
15 BU 1369.7948 3.1908
16 BU 1473.0183 4.4277
17 AG 1473.4819 0.0000
18 AU 1543.6689 12.3419
19 BG 1544.1542 0.0000
20 AG 1556.8331 0.0000
21 BU 1563.0247 15.1785
22 AG 1770.3908 0.0000
23 BU 3094.2558 49.0249
24 AG 3094.2688 0.0000
25 AU 3168.8449 41.8521
26 BG 3169.1310 0.0000
27 BU 3184.0081 8.5251
28 AG 3185.2251 0.0000
29 AG 3195.8689 0.0000
30 BU 3200.5494 69.0063
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

LET US PLACE AT THE END OF EVERY CHAPTER.....THE TWO LETTERS USED BY THE ROMAN JUDGES WHEN THEY DID NOT UNDERSTAND A PLEADING. N. L. -NON LIQUET- IT IS NOT CLEAR. -- VOLTAIRE