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All results from a given calculation for CH2CCHCH3 (1,2-Butadiene)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-155.913785
Energy at 298.15K-155.907693
Nuclear repulsion energy102.250143
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 B3PW91/6-31G*
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31G*
ABC
1.15184 0.13932 0.13066

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.681 1.830 0.000
C2 0.000 0.714 0.000
C3 0.679 -0.404 0.000
C4 0.072 -1.782 0.000
H5 -0.978 2.317 0.928
H6 -0.978 2.317 -0.928
H7 1.770 -0.346 0.000
H8 -1.020 -1.734 0.000
H9 0.393 -2.349 -0.883
H10 0.393 -2.349 0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.30752.61623.69001.08901.08903.27803.58044.40494.4049
C21.30751.30872.49752.09442.09442.06322.65263.21253.2125
C32.61621.30871.50593.31883.31881.09182.15822.15522.1552
C43.69002.49751.50594.33234.33232.22351.09341.09751.0975
H51.08902.09443.31884.33231.85543.93774.15655.19004.8642
H61.08902.09443.31884.33231.85543.93774.15654.86425.1900
H73.27802.06321.09182.22353.93773.93773.11622.58572.5857
H83.58042.65262.15821.09344.15654.15653.11621.77671.7767
H94.40493.21252.15521.09755.19004.86422.58571.77671.7656
H104.40493.21252.15521.09754.86425.19002.58571.77671.7656

picture of 1,2-Butadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.863 C2 C1 H5 121.581
C2 C1 H6 121.581 C2 C3 C4 124.934
C2 C3 H7 118.238 C3 C4 H8 111.274
C3 C4 H9 110.780 C3 C4 H10 110.780
C4 C3 H7 116.827 H5 C1 H6 116.838
H8 C4 H9 108.378 H8 C4 H10 108.378
H9 C4 H10 107.109
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.576     -0.467
2 C 0.331     0.069
3 C -0.323     -0.173
4 C -0.537     -0.163
5 H 0.186     0.191
6 H 0.186     0.191
7 H 0.181     0.128
8 H 0.187     0.085
9 H 0.182     0.069
10 H 0.182     0.069


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.060 -0.410 0.000 0.414
CHELPG        
AIM        
ESP 0.046 -0.373 0.000 0.375


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 98.356
(<r2>)1/2 9.917