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All results from a given calculation for C6H8 (Bicyclo[2.2.0]hex-1(4)-ene)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-38.157662
Energy at 298.15K-38.165716
HF Energy-37.425402
Nuclear repulsion energy114.170882
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/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3180 3019 103.07      
2 A1 3096 2939 3.74      
3 A1 1658 1574 2.27      
4 A1 1515 1438 2.33      
5 A1 1226 1164 0.02      
6 A1 1107 1051 1.80      
7 A1 918 872 0.12      
8 A1 805 764 1.86      
9 A1 711 675 3.10      
10 A1 129 123 15.36      
11 A2 3164 3004 0.00      
12 A2 3089 2933 0.00      
13 A2 1491 1416 0.00      
14 A2 1276 1212 0.00      
15 A2 1168 1109 0.00      
16 A2 1119 1062 0.00      
17 A2 942 895 0.00      
18 A2 783 743 0.00      
19 A2 176 167 0.00      
20 B1 3180 3019 10.38      
21 B1 3092 2936 136.47      
22 B1 1515 1438 1.57      
23 B1 1274 1210 0.68      
24 B1 1227 1165 0.34      
25 B1 1052 999 0.59      
26 B1 864 821 0.47      
27 B1 743 705 0.45      
28 B2 3164 3004 2.10      
29 B2 3091 2935 86.55      
30 B2 1496 1420 1.15      
31 B2 1207 1146 4.06      
32 B2 1170 1111 11.03      
33 B2 951 903 6.27      
34 B2 862 819 0.12      
35 B2 397 377 16.11      
36 B2 204 194 4.90      

Unscaled Zero Point Vibrational Energy (zpe) 26522.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 25180.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/CEP-31G*
ABC
0.26820 0.11224 0.08548

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.682 -0.229
C2 0.000 -0.682 -0.229
C3 -1.522 -0.804 0.059
C4 -1.522 0.804 0.059
C5 1.522 0.804 0.059
C6 1.522 -0.804 0.059
H7 2.141 -1.290 -0.716
H8 1.773 -1.227 1.049
H9 2.141 1.290 -0.716
H10 1.773 1.227 1.049
H11 -2.141 -1.290 -0.716
H12 -1.773 -1.227 1.049
H13 -2.141 1.290 -0.716
H14 -1.773 1.227 1.049

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.36472.14631.55341.55342.14632.95132.90212.27802.25252.95132.90212.27802.2525
C21.36471.55342.14632.14631.55342.27802.25252.95132.90212.27802.25252.95132.9021
C32.14631.55341.60713.44143.04313.77503.46584.28913.99441.10511.10532.31672.2726
C41.55342.14631.60713.04313.44144.28913.99443.77503.46582.31672.27261.10511.1053
C51.55342.14633.44143.04311.60712.31672.27261.10511.10534.28913.99443.77503.4658
C62.14631.55343.04313.44141.60711.10511.10532.31672.27263.77503.46584.28913.9944
H72.95132.27803.77504.28912.31671.10511.80402.57983.09594.28174.29384.99884.9766
H82.90212.25253.46583.99442.27261.10531.80403.09592.45354.29383.54584.97664.3119
H92.27802.95134.28913.77501.10512.31672.57983.09591.80404.99884.97664.28174.2938
H102.25252.90213.99443.46581.10532.27263.09592.45351.80404.97664.31194.29383.5458
H112.95132.27801.10512.31674.28913.77504.28174.29384.99884.97661.80402.57983.0959
H122.90212.25251.10532.27263.99443.46584.29383.54584.97664.31191.80403.09592.4535
H132.27802.95132.31671.10513.77504.28914.99884.97664.28174.29382.57983.09591.8040
H142.25252.90212.27261.10533.46583.99444.97664.31194.29383.54583.09592.45351.8040

picture of Bicyclo[2.2.0]hex-1(4)-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 94.474 C1 C2 C6 94.474
C1 C4 C3 85.526 C1 C4 H13 116.926
C1 C4 H14 114.771 C1 C5 C6 85.526
C1 C5 H9 116.926 C1 C5 H10 114.771
C2 C1 C4 94.474 C2 C1 C5 94.474
C2 C3 C4 85.526 C2 C3 H11 116.926
C2 C3 H12 114.771 C2 C6 C5 85.526
C2 C6 H7 116.926 C2 C6 H8 114.771
C3 C2 C6 156.745 C3 C4 H13 116.112
C3 C4 H14 112.514 C4 C1 C5 156.745
C4 C3 H11 116.112 C4 C3 H12 112.514
C5 C6 H7 116.112 C5 C6 H8 112.514
C6 C5 H9 116.112 C6 C5 H10 112.514
H7 C6 H8 109.404 H9 C5 H10 109.404
H11 C3 H12 109.404 H13 C4 H14 109.404
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability