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All results from a given calculation for C6H8 (1,4-Cyclohexadiene)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Ag
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-232.704163
Energy at 298.15K 
HF Energy-231.846176
Nuclear repulsion energy217.967198
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.17214 0.16323 0.08640

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.504 0.000 0.000
C2 -1.504 0.000 0.000
C3 -0.668 1.254 0.000
C4 0.668 1.254 0.000
C5 -0.668 -1.254 0.000
C6 0.668 -1.254 0.000
H7 1.205 -2.194 0.000
H8 -1.205 -2.194 0.000
H9 1.205 2.194 0.000
H10 -1.205 2.194 0.000
H11 2.169 0.000 0.869
H12 -2.169 0.000 0.869
H13 2.169 0.000 -0.869
H14 -2.169 0.000 -0.869

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.00732.50781.50642.50781.50642.21443.48632.21443.48631.09483.77441.09483.7744
C23.00731.50642.50781.50642.50783.48632.21443.48632.21443.77441.09483.77441.0948
C32.50781.50641.33662.50712.84123.92413.48942.09671.08333.22172.14013.22172.1401
C41.50642.50781.33662.84122.50713.48943.92411.08332.09672.14013.22172.14013.2217
C52.50781.50642.50712.84121.33662.09671.08333.92413.48943.22172.14013.22172.1401
C61.50642.50782.84122.50711.33661.08332.09673.48943.92412.14013.22172.14013.2217
H72.21443.48633.92413.48942.09671.08332.41104.38855.00722.54944.11822.54944.1182
H83.48632.21443.48943.92411.08332.09672.41105.00724.38854.11822.54944.11822.5494
H92.21443.48632.09671.08333.92413.48944.38855.00722.41102.54944.11822.54944.1182
H103.48632.21441.08332.09673.48943.92415.00724.38852.41104.11822.54944.11822.5494
H111.09483.77443.22172.14013.22172.14012.54944.11822.54944.11824.33861.73864.6739
H123.77441.09482.14013.22172.14013.22174.11822.54944.11822.54944.33864.67391.7386
H131.09483.77443.22172.14013.22172.14012.54944.11822.54944.11821.73864.67394.3386
H143.77441.09482.14013.22172.14013.22174.11822.54944.11822.54944.67391.73864.3386

picture of 1,4-Cyclohexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 123.678 C1 C4 H9 116.594
C1 C6 C5 123.678 C1 C6 H7 116.594
C2 C3 C4 123.678 C2 C3 H10 116.594
C2 C5 C6 123.678 C2 C5 H8 116.594
C3 C2 C5 112.643 C3 C2 H12 109.702
C3 C2 H14 109.702 C3 C4 H9 119.727
C4 C1 C6 112.643 C4 C1 H11 109.702
C4 C1 H13 109.702 C4 C3 H10 119.727
C5 C2 H12 109.702 C5 C2 H14 109.702
C5 C6 H7 119.727 C6 C1 H11 109.702
C6 C1 H13 109.702 C6 C5 H8 119.727
H11 C1 H13 105.117 H12 C2 H14 105.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability