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All results from a given calculation for C5H8 (Bicyclo[2.1.0]pentane)

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-194.737042
Energy at 298.15K-194.731523
HF Energy-193.958114
Nuclear repulsion energy176.160929
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=FULL/6-311G*
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-311G*
ABC
0.30493 0.20492 0.16030

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.247 -0.539 0.767
C2 -0.247 -0.539 -0.767
C3 -0.247 0.990 0.780
C4 -0.247 0.990 -0.780
C5 0.945 -1.035 0.000
H6 -0.793 -1.185 1.446
H7 -0.793 -1.185 -1.446
H8 0.609 1.457 1.279
H9 0.609 1.457 -1.279
H10 -1.167 1.414 1.187
H11 -1.167 1.414 -1.187
H12 1.868 -0.458 0.000
H13 1.081 -2.112 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.53441.52852.17511.50171.08502.36972.23122.98372.19932.91172.25112.1967
C21.53442.17511.52851.50172.36971.08502.98372.23122.91172.19932.25112.1967
C31.52852.17511.56062.47572.33923.16001.09492.27821.09172.21262.67923.4627
C42.17511.52851.56062.47573.16002.33922.27821.09492.21261.09172.67923.4627
C51.50171.50172.47572.47572.26602.26602.82152.82153.44493.44491.08851.0851
H61.08502.36972.33923.16002.26602.89232.99594.04642.63893.71863.11472.5420
H72.36971.08503.16002.33922.26602.89234.04642.99593.71862.63893.11472.5420
H82.23122.98371.09492.27822.82152.99594.04642.55761.77843.03842.62523.8206
H92.98372.23122.27821.09492.82154.04642.99592.55763.03841.77842.62523.8206
H102.19932.91171.09172.21263.44492.63893.71861.77843.03842.37313.75844.3466
H112.91172.19932.21261.09173.44493.71862.63893.03841.77842.37313.75844.3466
H122.25112.25112.67922.67921.08853.11473.11472.62522.62523.75843.75841.8312
H132.19672.19673.46273.46271.08512.54202.54203.82063.82064.34664.34661.8312

picture of Bicyclo[2.1.0]pentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 90.491 C1 C2 C5 59.277
C1 C2 H7 128.738 C1 C3 C4 89.509
C1 C3 H8 115.532 C1 C3 H10 113.085
C1 C5 C2 61.446 C1 C5 H12 119.858
C1 C5 H13 115.296 C2 C1 C3 90.491
C2 C1 C5 59.277 C2 C1 H6 128.738
C2 C4 C3 89.509 C2 C4 H9 115.532
C2 C4 H11 113.085 C2 C5 H12 119.858
C2 C5 H13 115.296 C3 C1 C5 109.566
C3 C1 H6 126.180 C3 C4 H9 117.081
C3 C4 H11 111.846 C4 C2 C5 109.566
C4 C2 H7 126.180 C4 C3 H8 117.081
C4 C3 H10 111.846 C5 C1 H6 121.493
C5 C2 H7 121.493 H8 C3 H10 108.836
H9 C4 H11 108.836 H12 C5 H13 114.804
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability