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All results from a given calculation for C5H8 (2,3-Pentadiene)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-194.647764
Energy at 298.15K 
HF Energy-193.954752
Nuclear repulsion energy152.062966
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.57034 0.07441 0.07193

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.417
C2 0.000 1.318 0.417
C3 0.000 -1.318 0.417
C4 -0.882 2.165 -0.464
C5 0.882 -2.165 -0.464
H6 0.676 1.836 1.092
H7 -0.676 -1.836 1.092
H8 -1.524 2.809 0.139
H9 -0.281 2.809 -1.108
H10 -1.512 1.538 -1.092
H11 1.524 -2.809 0.139
H12 0.281 -2.809 -1.108
H13 1.512 -1.538 -1.092

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.31811.31812.49772.49772.06962.06963.20753.20842.63303.20753.20842.6330
C21.31812.63631.50633.69891.08673.29572.14962.15052.14784.40794.40853.5671
C31.31812.63633.69891.50633.29571.08674.40794.40853.56712.14962.15052.1478
C42.49771.50633.69894.67442.22574.29751.09131.09131.08865.55725.14794.4539
C52.49773.69891.50634.67444.29752.22575.55725.14794.45391.09131.09131.0886
H62.06961.08673.29572.22574.29753.91292.58682.58833.10614.81685.15474.1061
H72.06963.29571.08674.29752.22573.91294.81685.15474.10612.58682.58833.1061
H83.20752.14964.40791.09135.55722.58684.81681.76061.76936.39086.03055.4435
H93.20842.15054.40851.09135.14792.58835.15471.76061.76966.03055.64584.7025
H102.63302.14783.56711.08864.45393.10614.10611.76931.76965.44354.70254.3144
H113.20754.40792.14965.55721.09134.81682.58686.39086.03055.44351.76061.7693
H123.20844.40852.15055.14791.09135.15472.58836.03055.64584.70251.76061.7696
H132.63303.56712.14784.45391.08864.10613.10615.44354.70254.31441.76931.7696

picture of 2,3-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.201 C1 C2 H6 118.454
C1 C3 C5 124.201 C1 C3 H7 118.454
C2 C1 C3 179.963 C2 C4 H8 110.678
C2 C4 H9 110.751 C2 C4 H10 110.697
C3 C5 H11 110.678 C3 C5 H12 110.751
C3 C5 H13 110.697 C4 C2 H6 117.345
C5 C3 H7 117.345 H8 C4 H9 107.549
H8 C4 H10 108.523 H9 C4 H10 108.543
H11 C5 H12 107.549 H11 C5 H13 108.523
H12 C5 H13 108.543
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability