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

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-232.543321
Energy at 298.15K-232.551655
HF Energy-231.716846
Nuclear repulsion energy219.424416
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 QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3080 2933 0.00      
2 Ag 1796 1710 0.00      
3 Ag 1541 1467 0.00      
4 Ag 1245 1186 0.00      
5 Ag 901 858 0.00      
6 Ag 688 655 0.00      
7 Au 3117 2969 0.00      
8 Au 1179 1123 0.00      
9 Au 1023 974 0.00      
10 Au 214 204 0.00      
11 B1g 3071 2924 0.00      
12 B1g 1521 1448 0.00      
13 B1g 1316 1253 0.00      
14 B1g 1172 1116 0.00      
15 B1g 814 775 0.00      
16 B1u 3132 2982 112.58      
17 B1u 1112 1059 1.74      
18 B1u 845 805 0.00      
19 B1u 82 78 13.30      
20 B2g 3132 2983 0.00      
21 B2g 1070 1019 0.00      
22 B2g 779 742 0.00      
23 B2u 3072 2926 86.79      
24 B2u 1523 1450 0.06      
25 B2u 1251 1192 16.16      
26 B2u 937 892 0.72      
27 B2u 401 382 5.87      
28 B3g 3119 2970 0.00      
29 B3g 1193 1136 0.00      
30 B3g 1072 1021 0.00      
31 B3g 363 346 0.00      
32 B3u 3075 2929 133.39      
33 B3u 1540 1466 5.11      
34 B3u 1294 1233 2.96      
35 B3u 1237 1178 0.00      
36 B3u 843 803 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 26873.3 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 25591.5 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 QCISD/6-31G*
ABC
0.27902 0.11244 0.08535

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.661 0.000
C2 0.000 -0.661 0.000
C3 1.527 -0.802 0.000
C4 1.527 0.802 0.000
C5 -1.527 0.802 0.000
C6 -1.527 -0.802 0.000
H7 -1.980 -1.254 0.892
H8 -1.980 -1.254 -0.892
H9 -1.980 1.254 0.892
H10 -1.980 1.254 -0.892
H11 1.980 -1.254 0.892
H12 1.980 -1.254 -0.892
H13 1.980 1.254 0.892
H14 1.980 1.254 -0.892

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.32162.11421.53341.53342.11422.89512.89512.25102.25102.89512.89512.25102.2510
C21.32161.53342.11422.11421.53342.25102.25102.89512.89512.25102.25102.89512.8951
C32.11421.53341.60313.44913.05393.64653.64654.16154.16151.09801.09802.28622.2862
C41.53342.11421.60313.05393.44914.16154.16153.64653.64652.28622.28621.09801.0980
C51.53342.11423.44913.05391.60312.28622.28621.09801.09804.16154.16153.64653.6465
C62.11421.53343.05393.44911.60311.09801.09802.28622.28623.64653.64654.16154.1615
H72.89512.25103.64654.16152.28621.09801.78432.50823.07813.95934.34284.68695.0151
H82.89512.25103.64654.16152.28621.09801.78433.07812.50824.34283.95935.01514.6869
H92.25102.89514.16153.64651.09802.28622.50823.07811.78434.68695.01513.95934.3428
H102.25102.89514.16153.64651.09802.28623.07812.50821.78435.01514.68694.34283.9593
H112.89512.25101.09802.28624.16153.64653.95934.34284.68695.01511.78432.50823.0781
H122.89512.25101.09802.28624.16153.64654.34283.95935.01514.68691.78433.07812.5082
H132.25102.89512.28621.09803.64654.16154.68695.01513.95934.34282.50823.07811.7843
H142.25102.89512.28621.09803.64654.16155.01514.68694.34283.95933.07812.50821.7843

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 95.266 C1 C2 C6 95.266
C1 C4 C3 84.734 C1 C4 H13 116.640
C1 C4 H14 116.640 C1 C5 C6 84.734
C1 C5 H9 116.640 C1 C5 H10 116.640
C2 C1 C4 95.266 C2 C1 C5 95.266
C2 C3 C4 84.734 C2 C3 H11 116.640
C2 C3 H12 116.640 C2 C6 C5 84.734
C2 C6 H7 116.640 C2 C6 H8 116.640
C3 C2 C6 169.467 C3 C4 H13 114.341
C3 C4 H14 114.341 C4 C1 C5 169.467
C4 C3 H11 114.341 C4 C3 H12 114.341
C5 C6 H7 114.341 C5 C6 H8 114.341
C6 C5 H9 114.341 C6 C5 H10 114.341
H7 C6 H8 108.679 H9 C5 H10 108.679
H11 C3 H12 108.679 H13 C4 H14 108.679
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability