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All results from a given calculation for C6H8 (Bicyclo[2.1.1]hex-2-ene)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-232.215567
Energy at 298.15K-232.225017
HF Energy-231.672547
Nuclear repulsion energy227.847961
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 MP2/6-31G
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 3264 3123 13.89      
2 A1 3167 3030 41.86      
3 A1 3162 3026 7.78      
4 A1 3084 2951 31.99      
5 A1 1575 1507 0.58      
6 A1 1557 1490 0.03      
7 A1 1286 1231 2.73      
8 A1 1155 1105 1.12      
9 A1 1095 1048 0.04      
10 A1 1009 966 0.00      
11 A1 949 908 0.04      
12 A1 873 836 1.19      
13 A1 533 510 0.28      
14 A2 1280 1225 0.00      
15 A2 1134 1085 0.00      
16 A2 1090 1043 0.00      
17 A2 856 819 0.00      
18 A2 825 789 0.00      
19 A2 541 518 0.00      
20 B1 3160 3023 29.46      
21 B1 3077 2944 46.60      
22 B1 1540 1474 0.79      
23 B1 1230 1177 1.43      
24 B1 1027 983 2.53      
25 B1 807 772 6.75      
26 B1 662 634 48.10      
27 B1 453 433 9.26      
28 B2 3234 3094 8.04      
29 B2 3154 3018 71.29      
30 B2 1350 1292 12.66      
31 B2 1308 1251 0.65      
32 B2 1245 1191 6.30      
33 B2 1133 1084 2.34      
34 B2 914 875 0.12      
35 B2 838 802 5.17      
36 B2 731 699 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 27149.2 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 25976.3 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 MP2/6-31G
ABC
0.18867 0.15265 0.13977

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.682 1.226
C2 0.000 -0.682 1.226
C3 0.000 -1.039 -0.283
C4 0.000 1.039 -0.283
C5 1.084 0.000 -0.819
C6 -1.084 0.000 -0.819
H7 0.000 1.382 2.058
H8 0.000 -1.382 2.058
H9 0.000 -2.094 -0.573
H10 0.000 2.094 -0.573
H11 2.060 0.000 -0.318
H12 -2.060 0.000 -0.318
H13 -1.189 0.000 -1.913
H14 1.189 0.000 -1.913

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.36472.28931.55102.41282.41281.08682.22573.30832.28702.66322.66323.42543.4254
C21.36471.55102.28932.41282.41282.22571.08682.28703.30832.66322.66323.42543.4254
C32.28931.55102.07771.59381.59383.36772.36601.09413.14602.30712.30712.26912.2691
C41.55102.28932.07771.59381.59382.36603.36773.14601.09412.30712.30712.26912.2691
C52.41282.41281.59381.59382.16753.37023.37022.37032.37031.09683.18302.52271.0992
C62.41282.41281.59381.59382.16753.37023.37022.37032.37033.18301.09681.09922.5227
H71.08682.22573.36772.36603.37023.37022.76434.35942.72573.43463.43464.36924.3692
H82.22571.08682.36603.36773.37023.37022.76432.72574.35943.43463.43464.36924.3692
H93.30832.28701.09413.14602.37032.37034.35942.72574.18752.94812.94812.75542.7554
H102.28703.30833.14601.09412.37032.37032.72574.35944.18752.94812.94812.75542.7554
H112.66322.66322.30712.30711.09683.18303.43463.43462.94812.94814.11933.61921.8168
H122.66322.66322.30712.30713.18301.09683.43463.43462.94812.94814.11931.81683.6192
H133.42543.42542.26912.26912.52271.09924.36924.36922.75542.75543.61921.81682.3786
H143.42543.42542.26912.26911.09922.52274.36924.36922.75542.75541.81683.61922.3786

picture of Bicyclo[2.1.1]hex-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 103.288 C1 C2 H8 130.082
C1 C4 C5 100.202 C1 C4 C6 100.202
C1 C4 H10 118.665 C2 C1 C4 103.288
C2 C1 H7 130.082 C2 C3 C5 100.202
C2 C3 C6 100.202 C2 C3 H9 118.665
C3 C2 H8 126.629 C3 C5 C4 81.352
C3 C5 H11 116.851 C3 C5 H14 113.558
C3 C6 C4 81.352 C3 C6 H12 116.851
C3 C6 H13 113.558 C4 C1 H7 126.629
C4 C5 H11 116.851 C4 C5 H14 113.558
C4 C6 H12 116.851 C4 C6 H13 113.558
C5 C3 C6 85.680 C5 C3 H9 122.641
C5 C4 C6 85.680 C5 C4 H10 122.641
C6 C3 H9 122.641 C6 C4 H10 122.641
H11 C5 H14 111.646 H12 C6 H13 111.646
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability