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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-233.225917
Energy at 298.15K-233.235452
Nuclear repulsion energy229.886093
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 B3PW91/6-31G
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 3288 3149 13.82      
2 A1 3174 3040 8.87      
3 A1 3164 3030 41.15      
4 A1 3083 2953 41.21      
5 A1 1634 1565 0.89      
6 A1 1541 1476 0.64      
7 A1 1289 1235 4.01      
8 A1 1158 1109 1.77      
9 A1 1083 1037 0.01      
10 A1 1012 969 0.13      
11 A1 965 925 0.04      
12 A1 870 833 1.31      
13 A1 531 509 0.56      
14 A2 1264 1210 0.00      
15 A2 1127 1079 0.00      
16 A2 1083 1037 0.00      
17 A2 941 901 0.00      
18 A2 852 816 0.00      
19 A2 547 524 0.00      
20 B1 3157 3024 35.11      
21 B1 3074 2944 52.15      
22 B1 1513 1449 1.85      
23 B1 1243 1190 2.02      
24 B1 1021 977 4.26      
25 B1 836 801 8.13      
26 B1 715 685 52.16      
27 B1 464 444 7.94      
28 B2 3257 3119 6.65      
29 B2 3168 3034 79.56      
30 B2 1349 1292 17.72      
31 B2 1291 1236 0.00      
32 B2 1239 1187 10.55      
33 B2 1128 1080 3.42      
34 B2 929 890 0.17      
35 B2 856 820 7.61      
36 B2 744 713 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 27293.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 26139.4 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 B3PW91/6-31G
ABC
0.19279 0.15519 0.14216

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.673 1.218
C2 0.000 -0.673 1.218
C3 0.000 -1.028 -0.281
C4 0.000 1.028 -0.281
C5 1.071 0.000 -0.812
C6 -1.071 0.000 -0.812
H7 0.000 1.372 2.044
H8 0.000 -1.372 2.044
H9 0.000 -2.077 -0.573
H10 0.000 2.077 -0.573
H11 2.048 0.000 -0.322
H12 -2.048 0.000 -0.322
H13 -1.172 0.000 -1.903
H14 1.172 0.000 -1.903

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34582.26681.54042.39162.39161.08182.20513.28202.27612.64992.64993.40123.4012
C21.34581.54042.26682.39162.39162.20511.08182.27613.28202.64992.64993.40123.4012
C32.26681.54042.05511.57621.57623.34092.35021.08953.11842.29212.29212.24962.2496
C41.54042.26682.05511.57621.57622.35023.34093.11841.08952.29212.29212.24962.2496
C52.39162.39161.57621.57622.14163.34423.34422.34912.34911.09333.15742.49401.0961
C62.39162.39161.57621.57622.14163.34423.34422.34912.34913.15741.09331.09612.4940
H71.08182.20513.34092.35023.34423.34422.74344.32942.71053.41723.41724.33994.3399
H82.20511.08182.35023.34093.34423.34422.74342.71054.32943.41723.41724.33994.3399
H93.28202.27611.08953.11842.34912.34914.32942.71054.15432.92802.92802.73072.7307
H102.27613.28203.11841.08952.34912.34912.71054.32944.15432.92802.92802.73072.7307
H112.64992.64992.29212.29211.09333.15743.41723.41722.92802.92804.09683.58721.8076
H122.64992.64992.29212.29213.15741.09333.41723.41722.92802.92804.09681.80763.5872
H133.40123.40122.24962.24962.49401.09614.33994.33992.73072.73073.58721.80762.3434
H143.40123.40122.24962.24961.09612.49404.33994.33992.73072.73071.80763.58722.3434

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 103.312 C1 C2 H8 130.238
C1 C4 C5 100.233 C1 C4 C6 100.233
C1 C4 H10 118.868 C2 C1 C4 103.312
C2 C1 H7 130.238 C2 C3 C5 100.233
C2 C3 C6 100.233 C2 C3 H9 118.868
C3 C2 H8 126.451 C3 C5 C4 81.376
C3 C5 H11 117.177 C3 C5 H14 113.448
C3 C6 C4 81.376 C3 C6 H12 117.177
C3 C6 H13 113.448 C4 C1 H7 126.451
C4 C5 H11 117.177 C4 C5 H14 113.448
C4 C6 H12 117.177 C4 C6 H13 113.448
C5 C3 C6 85.588 C5 C3 H9 122.529
C5 C4 C6 85.588 C5 C4 H10 122.529
C6 C3 H9 122.529 C6 C4 H10 122.529
H11 C5 H14 111.309 H12 C6 H13 111.309
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 C -0.094      
3 C -0.289      
4 C -0.289      
5 C -0.233      
6 C -0.233      
7 H 0.163      
8 H 0.163      
9 H 0.141      
10 H 0.141      
11 H 0.160      
12 H 0.160      
13 H 0.153      
14 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.198 0.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.861 0.000 0.000
y 0.000 -35.112 0.000
z 0.000 0.000 -35.281
Traceless
 xyz
x -2.665 0.000 0.000
y 0.000 1.459 0.000
z 0.000 0.000 1.206
Polar
3z2-r22.412
x2-y2-2.749
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 121.055
(<r2>)1/2 11.003