WebMO Job Summary

269078: C4H8 trans-2-butene C2h, Optimize + Vib Freq - Gaussian

Calculated Quantities

Expand all

Overview

Quantity Value
Route #N B3LYP/6-311+G(2d,p) OPT FREQ
Method B3LYP
Stoichiometry C4H8
Symmetry C2H
Basis 6-311+G(2d,p)
RB3LYP Energy -157.27220054 Hartree
ZPE 0.106528 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -157.161285 Hartree
Enthalpy -157.160341 Hartree
Free Energy -157.191542 Hartree
Cv 14.700 cal/mol-K
Entropy 65.670 cal/mol-K
Dipole Moment 0.0000 Debye
Server class (270023)
CPU time 173 sec

Geometry Sequence Energies

Step Energy (au)  
0 -157.268167001  
1 -157.271798241  
2 -157.272190241  
3 -157.272200540  
4 -157.272200540  
5 -157.272200540  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 34.85952 1.16278842478
b 3.69717 0.12332431658
c 3.48695 0.11631213218

Partial Charges

Atom Symbol Charge
1 C -0.535839  
2 C 0.093235  
3 C 0.093235  
4 C -0.535839  
5 H 0.113966  
6 H 0.129035  
7 H 0.129035  
8 H 0.070568  
9 H 0.070568  
10 H 0.113966  
11 H 0.129035  
12 H 0.129035  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR Intensity Actions
1 BG -242.4250 0.0000
2 AU -187.1904 0.3344
3 AU 248.1892 4.6768
4 BU 273.0345 0.5896
5 AG 496.3261 0.0000
6 BG 759.8249 0.0000
7 AG 898.7648 0.0000
8 AU 985.8539 45.2553
9 BU 1016.1737 6.6691
10 AU 1040.1948 1.1442
11 BU 1055.4517 8.9296
12 BG 1065.7906 0.0000
13 AG 1144.6645 0.0000
14 BU 1324.4909 0.3610
15 AG 1349.0168 0.0000
16 BU 1410.9924 4.3623
17 AG 1412.4347 0.0000
18 BU 1492.0283 12.5966
19 AG 1492.7945 0.0000
20 BG 1493.8471 0.0000
21 AU 1494.0407 15.2045
22 AG 1718.2670 0.0000
23 AG 3022.2446 0.0000
24 BU 3022.6084 59.5034
25 AU 3066.7809 34.5745
26 BG 3067.0811 0.0000
27 AG 3090.2478 0.0000
28 BU 3090.2528 28.5998
29 AG 3109.3268 0.0000
30 BU 3119.4516 61.1123
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

REVOLUTIONS HAVE NEVER LIGHTENED THE BURDEN OF TYRANNY: THEY HAVE MERELY SHIFTED IT TO OTHER SHOULDERS. -- G. B. SHAW (1903)