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

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 C2V 1Ag
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-232.667720
Energy at 298.15K 
HF Energy-231.851839
Nuclear repulsion energy217.823375
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
0.17272 0.16246 0.08634

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.506 0.000 0.000
C2 -1.506 0.000 0.000
C3 -0.672 1.251 0.000
C4 0.672 1.251 0.000
C5 -0.672 -1.251 0.000
C6 0.672 -1.251 0.000
H7 1.208 -2.195 0.000
H8 -1.208 -2.195 0.000
H9 1.208 2.195 0.000
H10 -1.208 2.195 0.000
H11 2.171 0.000 0.871
H12 -2.171 0.000 0.871
H13 2.171 0.000 -0.871
H14 -2.171 0.000 -0.871

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C13.01192.51171.50372.51171.50372.21553.49042.21553.49041.09603.77861.09603.7786
C23.01191.50372.51171.50372.51173.49042.21553.49042.21553.77861.09603.77861.0960
C32.51171.50371.34382.50232.84033.92563.48782.10341.08563.22582.13813.22582.1381
C41.50372.51171.34382.84032.50233.48783.92561.08562.10342.13813.22582.13813.2258
C52.51171.50372.50232.84031.34382.10341.08563.92563.48783.22582.13813.22582.1381
C61.50372.51172.84032.50231.34381.08562.10343.48783.92562.13813.22582.13813.2258
H72.21553.49043.92563.48782.10341.08562.41534.39065.01112.55074.12222.55074.1222
H83.49042.21553.48783.92561.08562.10342.41535.01114.39064.12222.55074.12222.5507
H92.21553.49042.10341.08563.92563.48784.39065.01112.41532.55074.12222.55074.1222
H103.49042.21551.08562.10343.48783.92565.01114.39062.41534.12222.55074.12222.5507
H111.09603.77863.22582.13813.22582.13812.55074.12222.55074.12224.34171.74264.6783
H123.77861.09602.13813.22582.13813.22584.12222.55074.12222.55074.34174.67831.7426
H131.09603.77863.22582.13813.22582.13812.55074.12222.55074.12221.74264.67834.3417
H143.77861.09602.13813.22582.13813.22584.12222.55074.12222.55074.67831.74264.3417

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 123.689 C1 C4 H9 116.740
C1 C6 C5 123.689 C1 C6 H7 116.740
C2 C3 C4 123.689 C2 C3 H10 116.740
C2 C5 C6 123.689 C2 C5 H8 116.740
C3 C2 C5 112.622 C3 C2 H12 109.663
C3 C2 H14 109.663 C3 C4 H9 119.571
C4 C1 C6 112.622 C4 C1 H11 109.663
C4 C1 H13 109.663 C4 C3 H10 119.571
C5 C2 H12 109.663 C5 C2 H14 109.663
C5 C6 H7 119.571 C6 C1 H11 109.663
C6 C1 H13 109.663 C6 C5 H8 119.571
H11 C1 H13 105.307 H12 C2 H14 105.307
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability