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All results from a given calculation for C5H8 (1,2-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-194.644438
Energy at 298.15K 
HF Energy-193.951144
Nuclear repulsion energy156.582637
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
0.33920 0.10714 0.08541

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.390 0.495 -0.000
C2 1.487 -1.024 -0.000
C3 -0.026 1.019 0.000
C4 -1.112 0.272 -0.001
C5 -2.212 -0.453 0.000
H6 1.906 0.901 -0.875
H7 1.906 0.901 0.875
H8 1.003 -1.445 0.881
H9 2.531 -1.337 -0.000
H10 1.002 -1.445 -0.881
H11 -0.144 2.100 0.000
H12 -2.680 -0.767 0.925
H13 -2.682 -0.767 -0.924

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52241.50952.51173.72501.09411.09412.16562.15882.16562.22014.36044.3618
C21.52242.54192.90423.74312.15592.15581.09001.09001.09003.52424.27614.2778
C31.50952.54191.31772.63572.12452.12442.81123.47682.81101.08783.33003.3311
C42.51172.90421.31771.31813.20473.20512.86323.98262.86232.06802.09682.0970
C53.72503.74312.63571.31814.42314.42323.47814.82503.47743.28561.08321.0832
H61.09412.15592.12453.20474.42311.74973.06662.48312.51422.53155.20184.8822
H71.09412.15582.12443.20514.42321.74972.51392.48333.06662.53134.88075.2030
H82.16561.09002.81122.86323.47813.06662.51391.76751.76233.82843.74494.1590
H92.15881.09003.47683.98264.82502.48312.48331.76751.76754.35575.32315.3247
H102.16561.09002.81102.86233.47742.51423.06661.76231.76753.82834.15683.7461
H112.22013.52421.08782.06803.28562.53152.53133.82844.35573.82833.93773.9385
H124.36044.27613.33002.09681.08325.20184.88073.74495.32314.15683.93771.8497
H134.36184.27783.33112.09701.08324.88225.20304.15905.32473.74613.93851.8497

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 110.906 C1 C2 H9 110.362
C1 C2 H10 110.906 C1 C3 C4 125.211
C1 C3 H11 116.538 C2 C1 C3 113.945
C2 C1 H6 109.889 C2 C1 H7 109.887
C3 C1 H6 108.317 C3 C1 H7 108.307
C3 C4 C5 178.896 C4 C3 H11 118.251
C4 C5 H12 121.359 C4 C5 H13 121.382
H6 C1 H7 106.190 H8 C2 H9 108.345
H8 C2 H10 107.878 H9 C2 H10 108.345
H12 C5 H13 117.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability