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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-232.616294
Energy at 298.15K-232.625840
HF Energy-231.787295
Nuclear repulsion energy231.632920
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 3328 3116 9.00      
2 A1 3221 3016 39.71      
3 A1 3207 3004 5.74      
4 A1 3138 2939 31.67      
5 A1 1619 1516 0.58      
6 A1 1565 1465 0.00      
7 A1 1310 1227 1.89      
8 A1 1167 1093 0.86      
9 A1 1093 1023 0.27      
10 A1 1025 960 0.00      
11 A1 993 930 0.00      
12 A1 874 819 1.39      
13 A1 543 508 0.22      
14 A2 1263 1183 0.00      
15 A2 1145 1072 0.00      
16 A2 1097 1027 0.00      
17 A2 880 824 0.00      
18 A2 879 823 0.00      
19 A2 544 509 0.00      
20 B1 3215 3011 26.81      
21 B1 3130 2932 49.57      
22 B1 1531 1434 0.16      
23 B1 1264 1183 1.58      
24 B1 1031 965 1.83      
25 B1 855 801 2.57      
26 B1 670 627 39.72      
27 B1 454 425 7.49      
28 B2 3302 3092 3.76      
29 B2 3204 3001 70.56      
30 B2 1372 1285 11.47      
31 B2 1292 1210 1.37      
32 B2 1266 1186 6.73      
33 B2 1135 1063 3.38      
34 B2 947 887 0.25      
35 B2 879 823 5.18      
36 B2 747 700 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 27591.1 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 25839.1 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
0.19583 0.15800 0.14428

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 0.674 1.207
C2 0.000 -0.674 1.207
C3 0.000 -1.017 -0.280
C4 0.000 1.017 -0.280
C5 1.059 0.000 -0.803
C6 -1.059 0.000 -0.803
H7 0.000 1.368 2.033
H8 0.000 -1.368 2.033
H9 0.000 -2.065 -0.572
H10 0.000 2.065 -0.572
H11 2.035 0.000 -0.318
H12 -2.035 0.000 -0.318
H13 -1.157 0.000 -1.891
H14 1.157 0.000 -1.891

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34762.25201.52622.37042.37041.07922.20293.26622.25862.63062.63063.37513.3751
C21.34761.52622.25202.37042.37042.20291.07922.25863.26622.63062.63063.37513.3751
C32.25201.52622.03491.55931.55933.32292.33941.08793.09672.27522.27522.22922.2292
C41.52622.25202.03491.55931.55932.33943.32293.09671.08792.27522.27522.22922.2292
C52.37042.37041.55931.55932.11843.32273.32272.33272.33271.08973.13182.46861.0919
C62.37042.37041.55931.55932.11843.32273.32272.33272.33273.13181.08971.09192.4686
H71.07922.20293.32292.33943.32273.32272.73684.31002.69653.39703.39704.31394.3139
H82.20291.07922.33943.32293.32273.32272.73682.69654.31003.39703.39704.31394.3139
H93.26622.25861.08793.09672.33272.33274.31002.69654.13092.91042.91042.71022.7102
H102.25863.26623.09671.08792.33272.33272.69654.31004.13092.91042.91042.71022.7102
H112.63062.63062.27522.27521.08973.13183.39703.39702.91042.91044.06943.55831.8014
H122.63062.63062.27522.27523.13181.08973.39703.39702.91042.91044.06941.80143.5583
H133.37513.37512.22922.22922.46861.09194.31394.31392.71022.71023.55831.80142.3140
H143.37513.37512.22922.22921.09192.46864.31394.31392.71022.71021.80143.55832.3140

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 103.011 C1 C2 H8 130.063
C1 C4 C5 100.387 C1 C4 C6 100.387
C1 C4 H10 118.574 C2 C1 C4 103.011
C2 C1 H7 130.063 C2 C3 C5 100.387
C2 C3 C6 100.387 C2 C3 H9 118.574
C3 C2 H8 126.926 C3 C5 C4 81.462
C3 C5 H11 117.288 C3 C5 H14 113.287
C3 C6 C4 81.462 C3 C6 H12 117.288
C3 C6 H13 113.287 C4 C1 H7 126.926
C4 C5 H11 117.288 C4 C5 H14 113.287
C4 C6 H12 117.288 C4 C6 H13 113.287
C5 C3 C6 85.578 C5 C3 H9 122.581
C5 C4 C6 85.578 C5 C4 H10 122.581
C6 C3 H9 122.581 C6 C4 H10 122.581
H11 C5 H14 111.324 H12 C6 H13 111.324
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability