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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-155.792034
Energy at 298.15K-155.797395
HF Energy-155.623375
Nuclear repulsion energy103.587534
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 B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3281 3114 0.00      
2 Ag 3196 3034 0.00      
3 Ag 3180 3018 0.00      
4 Ag 1736 1648 0.00      
5 Ag 1511 1434 0.00      
6 Ag 1339 1271 0.00      
7 Ag 1252 1189 0.00      
8 Ag 915 869 0.00      
9 Ag 518 492 0.00      
10 Au 1066 1012 30.72      
11 Au 928 881 78.41      
12 Au 541 514 8.80      
13 Au 172 164 0.22      
14 Bg 1006 955 0.00      
15 Bg 931 883 0.00      
16 Bg 781 742 0.00      
17 Bu 3281 3115 29.77      
18 Bu 3195 3033 6.63      
19 Bu 3188 3026 29.37      
20 Bu 1678 1593 10.87      
21 Bu 1446 1373 2.53      
22 Bu 1343 1275 2.15      
23 Bu 1020 968 2.35      
24 Bu 296 281 2.45      

Unscaled Zero Point Vibrational Energy (zpe) 18900.0 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 17939.9 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 B2PLYP/6-31G*
ABC
1.40804 0.14729 0.13334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.328 0.651 0.000
C2 0.328 -0.651 0.000
C3 0.328 1.822 0.000
C4 -0.328 -1.822 0.000
H5 -1.416 0.645 0.000
H6 1.416 -0.645 0.000
H7 -0.198 2.770 0.000
H8 1.413 1.864 0.000
H9 0.198 -2.770 0.000
H10 -1.413 -1.864 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.45751.34162.47271.08882.17292.12282.12143.46092.7392
C21.45752.47271.34162.17291.08883.46092.73922.12282.1214
C31.34162.47273.70192.10352.69661.08391.08604.59344.0760
C42.47271.34163.70192.69662.10354.59344.07601.08391.0860
H51.08882.17292.10352.69663.11282.44913.08043.77742.5094
H62.17291.08882.69662.10353.11283.77742.50942.44913.0804
H72.12283.46091.08394.59342.44913.77741.84775.55374.7905
H82.12142.73921.08604.07603.08042.50941.84774.79054.6779
H93.46092.12284.59341.08393.77742.44915.55374.79051.8477
H102.73922.12144.07601.08602.50943.08044.79054.67791.8477

picture of 1,3-Butadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.062 C1 C2 H6 116.411
C1 C3 H7 121.780 C1 C3 H8 121.464
C2 C1 C3 124.062 C2 C1 H5 116.411
C2 C4 H9 121.780 C2 C4 H10 121.464
C3 C1 H5 119.527 C4 C2 H6 119.527
H7 C3 H8 116.756 H9 C4 H10 116.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.095      
2 C -0.095      
3 C -0.377      
4 C -0.377      
5 H 0.153      
6 H 0.153      
7 H 0.162      
8 H 0.158      
9 H 0.162      
10 H 0.158      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.013 1.456 0.000
y 1.456 10.824 0.000
z 0.000 0.000 2.270


<r2> (average value of r2) Å2
<r2> 94.038
(<r2>)1/2 9.697