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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-155.370819
Energy at 298.15K-155.364715
HF Energy-154.899034
Nuclear repulsion energy102.575884
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 CISD/6-31G*
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G*
ABC
1.14900 0.14045 0.13155

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.688 1.821 0.000
C2 0.000 0.711 0.000
C3 0.684 -0.400 0.000
C4 0.075 -1.776 0.000
H5 -0.984 2.301 0.923
H6 -0.984 2.301 -0.923
H7 1.768 -0.339 0.000
H8 -1.012 -1.721 0.000
H9 0.392 -2.339 -0.880
H10 0.392 -2.339 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.30502.61013.67671.08221.08223.26973.55684.38624.3862
C21.30501.30512.48882.08522.08522.05612.63513.19863.1986
C32.61011.30511.50523.30633.30631.08532.15042.14902.1490
C43.67672.48881.50524.31284.31282.22111.08841.09131.0913
H51.08222.08523.30634.31281.84643.92344.12765.16474.8400
H61.08222.08523.30634.31281.84643.92344.12764.84005.1647
H73.26972.05611.08532.22113.92343.92343.10502.58212.5821
H83.55682.63512.15041.08844.12764.12763.10501.76831.7683
H94.38623.19862.14901.09135.16474.84002.58211.76831.7596
H104.38623.19862.14901.09134.84005.16472.58211.76831.7596

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 179.817 C2 C1 H5 121.455
C2 C1 H6 121.455 C2 C3 C4 124.498
C2 C3 H7 118.380 C3 C4 H8 110.997
C3 C4 H9 110.706 C3 C4 H10 110.706
C4 C3 H7 117.122 H5 C1 H6 117.090
H8 C4 H9 108.436 H8 C4 H10 108.436
H9 C4 H10 107.444
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability