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All results from a given calculation for CH2CHCHCH2 (1,3-Butadiene)

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2H)

Jump to S1C2
Vibrational Frequencies calculated at CID/6-311G*
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-155.430177
Energy at 298.15K-155.435640
HF Energy-154.943861
Nuclear repulsion energy105.083558
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3328 3092 6.54      
2 A 3252 3021 7.41      
3 A 3234 3005 19.47      
4 A 1777 1651 1.92      
5 A 1527 1419 11.45      
6 A 1392 1294 0.01      
7 A 1116 1036 0.17      
8 A 1049 974 4.18      
9 A 985 915 11.13      
10 A 920 855 0.78      
11 A 785 730 6.41      
12 A 288 267 0.01      
13 A 180 167 0.09      
14 B 3327 3091 23.96      
15 B 3241 3011 13.08      
16 B 3230 3001 5.03      
17 B 1773 1647 4.13      
18 B 1496 1390 1.94      
19 B 1361 1264 0.59      
20 B 1148 1066 5.25      
21 B 1069 994 35.91      
22 B 985 915 84.83      
23 B 654 607 9.63      
24 B 476 442 14.17      

Unscaled Zero Point Vibrational Energy (zpe) 19294.7 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 17926.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
ABC
0.72723 0.18674 0.15380

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.125 0.727 0.543
C2 -0.125 -0.727 0.543
C3 -0.125 1.536 -0.482
C4 0.125 -1.536 -0.482
H5 0.523 1.147 1.461
H6 -0.523 -1.147 1.461
H7 0.094 2.593 -0.431
H8 -0.568 1.171 -1.398
H9 -0.094 -2.593 -0.431
H10 0.568 -1.171 -1.398

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.47541.32992.48471.08462.18452.10522.10833.46702.7504
C21.47542.48471.32992.18451.08463.46702.75042.10522.1083
C31.32992.48473.08292.08473.33631.08041.08134.12992.9405
C42.48471.32993.08293.33632.08474.12992.94051.08041.0813
H51.08462.18452.08473.33632.52032.41963.05994.23603.6800
H62.18451.08463.33632.08472.52034.23603.68002.41963.0599
H72.10523.46701.08044.12992.41964.23601.84335.18963.9147
H82.10832.75041.08132.94053.05993.68001.84333.91472.6023
H93.46702.10524.12991.08044.23602.41965.18963.91471.8433
H102.75042.10832.94051.08133.68003.05993.91472.60231.8433

picture of 1,3-Butadiene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.605 C1 C2 H6 116.322
C1 C3 H7 121.376 C1 C3 H8 121.607
C2 C1 C3 124.605 C2 C1 H5 116.322
C2 C4 H9 121.376 C2 C4 H10 121.607
C3 C1 H5 119.062 C4 C2 H6 119.062
H7 C3 H8 117.012 H9 C4 H10 117.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability