WebMO Job Summary

359141: Butane (C4H10), Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N MP2/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C4H10
Symmetry C2H
Basis 6-31G(d)
RHF Energy -157.29789224 Hartree
MP2 Energy -157.82603629891 Hartree
ZPE 0.136083 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -157.684295 Hartree
Enthalpy -157.683351 Hartree
Free Energy -157.717195 Hartree
Cv 19.045 cal/mol-K
Entropy 71.230 cal/mol-K
Dipole Moment 0.0000 Debye
Server batch (368860)
CPU time 67.9 sec

Geometry Sequence Energies

Step Energy  
0 -157.292916933  
1 -157.297974022  
2 -157.297892240  
3 -157.297892240  
4 -157.297892240  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 23.44966 0.78219646206
b 3.64518 0.12159011685
c 3.42214 0.11415030327

Partial Charges

Atom Symbol Charge
1 C -0.476266  
2 C -0.297399  
3 C -0.297399  
4 C -0.476266  
5 H 0.160258  
6 H 0.155229  
7 H 0.155229  
8 H 0.151475  
9 H 0.151475  
10 H 0.151475  
11 H 0.151475  
12 H 0.155229  
13 H 0.155229  
14 H 0.160258  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 AU 124.9079 0.0041
2 AU 236.3453 0.0001
3 BU 266.8788 0.0536
4 BG 274.5166 0.0000
5 AG 437.4060 0.0000
6 AU 755.4972 3.7806
7 BG 838.1157 0.0000
8 AG 876.4274 0.0000
9 AU 992.2388 1.1151
10 BU 1009.4998 7.1292
11 BU 1066.3937 0.2837
12 AG 1117.4532 0.0000
13 AG 1211.1686 0.0000
14 BG 1260.2953 0.0000
15 AU 1334.6841 0.1831
16 BU 1361.6415 2.2000
17 BG 1372.7020 0.0000
18 AG 1448.8417 0.0000
19 AG 1470.8988 0.0000
20 BU 1472.5275 5.8334
21 AG 1553.1167 0.0000
22 BU 1556.3926 1.9527
23 BG 1564.4934 0.0000
24 AU 1565.3969 13.7267
25 AG 1569.0129 0.0000
26 BU 1575.7726 6.6588
27 AG 3087.7389 0.0000
28 BU 3095.0446 35.6288
29 BU 3100.9991 64.0869
30 AG 3101.2615 0.0000
31 BG 3127.9335 0.0000
32 AU 3148.1101 27.4914
33 BG 3187.7630 0.0000
34 AU 3189.8438 83.2611
35 AG 3190.9340 0.0000
36 BU 3191.4219 60.5879
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

THE REAL VOYAGE OF DISCOVERY CONSISTS NOT IN SEEKING NEW LANDSCAPES BUT IN HAVING NEW EYES. -- MARCEL PROUST