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

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-233.128572
Energy at 298.15K-233.137885
Nuclear repulsion energy230.495961
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 PBEPBE/cc-pVTZ
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 3169 3147 9.91      
2 A1 3046 3025 15.37      
3 A1 3043 3022 37.86      
4 A1 2977 2957 41.89      
5 A1 1572 1561 2.43      
6 A1 1456 1446 0.27      
7 A1 1224 1215 3.64      
8 A1 1108 1100 1.41      
9 A1 1028 1021 0.06      
10 A1 969 962 0.13      
11 A1 931 925 0.00      
12 A1 827 821 1.85      
13 A1 509 506 0.38      
14 A2 1182 1174 0.00      
15 A2 1066 1058 0.00      
16 A2 1032 1025 0.00      
17 A2 879 873 0.00      
18 A2 823 818 0.00      
19 A2 521 518 0.00      
20 B1 3039 3018 31.21      
21 B1 2968 2947 66.95      
22 B1 1423 1413 2.48      
23 B1 1186 1178 2.86      
24 B1 970 963 2.06      
25 B1 805 800 3.67      
26 B1 660 656 43.69      
27 B1 432 429 7.97      
28 B2 3143 3121 6.21      
29 B2 3045 3024 86.55      
30 B2 1284 1275 15.77      
31 B2 1212 1203 0.38      
32 B2 1175 1167 10.99      
33 B2 1069 1062 3.81      
34 B2 887 881 0.53      
35 B2 831 826 7.70      
36 B2 713 708 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 26102.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 25922.8 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 PBEPBE/cc-pVTZ
ABC
0.19423 0.15618 0.14293

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 1.214
C2 0.000 -0.671 1.214
C3 0.000 -1.022 -0.279
C4 0.000 1.022 -0.279
C5 1.065 0.000 -0.809
C6 -1.065 0.000 -0.809
H7 0.000 1.373 2.045
H8 0.000 -1.373 2.045
H9 0.000 -2.078 -0.573
H10 0.000 2.078 -0.573
H11 2.050 0.000 -0.324
H12 -2.050 0.000 -0.324
H13 -1.158 0.000 -1.905
H14 1.158 0.000 -1.905

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34242.25811.53442.38272.38271.08712.20643.27892.27422.64932.64933.39453.3945
C21.34241.53442.25812.38272.38272.20641.08712.27423.27892.64932.64933.39453.3945
C32.25811.53442.04471.56831.56833.33742.35021.09563.11412.29132.29132.24262.2426
C41.53442.25812.04471.56831.56832.35023.33743.11411.09562.29132.29132.24262.2426
C52.38272.38271.56831.56832.12993.34073.34072.34692.34691.09813.15262.47871.1003
C62.38272.38271.56831.56832.12993.34073.34072.34692.34693.15261.09811.10032.4787
H71.08712.20643.33742.35023.34073.34072.74614.33112.71043.42003.42004.33894.3389
H82.20641.08712.35023.33743.34073.34072.74612.71044.33113.42003.42004.33894.3389
H93.27892.27421.09563.11412.34692.34694.33112.71044.15592.92962.92962.72672.7267
H102.27423.27893.11411.09562.34692.34692.71044.33114.15592.92962.92962.72672.7267
H112.64932.64932.29132.29131.09813.15263.42003.42002.92962.92964.10023.57691.8156
H122.64932.64932.29132.29133.15261.09813.42003.42002.92962.92964.10021.81563.5769
H133.39453.39452.24262.24262.47871.10034.33894.33892.72672.72673.57691.81562.3164
H143.39453.39452.24262.24261.10032.47874.33894.33892.72672.72671.81563.57692.3164

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 103.229 C1 C2 H8 130.213
C1 C4 C5 100.336 C1 C4 C6 100.336
C1 C4 H10 118.751 C2 C1 C4 103.229
C2 C1 H7 130.213 C2 C3 C5 100.336
C2 C3 C6 100.336 C2 C3 H9 118.751
C3 C2 H8 126.559 C3 C5 C4 81.368
C3 C5 H11 117.391 C3 C5 H14 113.197
C3 C6 C4 81.368 C3 C6 H12 117.391
C3 C6 H13 113.197 C4 C1 H7 126.559
C4 C5 H11 117.391 C4 C5 H14 113.197
C4 C6 H12 117.391 C4 C6 H13 113.197
C5 C3 C6 85.538 C5 C3 H9 122.532
C5 C4 C6 85.538 C5 C4 H10 122.532
C6 C3 H9 122.532 C6 C4 H10 122.532
H11 C5 H14 111.355 H12 C6 H13 111.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.145      
2 C -0.145      
3 C -0.026      
4 C -0.026      
5 C -0.105      
6 C -0.105      
7 H 0.098      
8 H 0.098      
9 H 0.053      
10 H 0.053      
11 H 0.061      
12 H 0.061      
13 H 0.064      
14 H 0.064      


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 -0.291 0.291
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.751 0.000 0.000
y 0.000 -35.871 0.000
z 0.000 0.000 -36.337
Traceless
 xyz
x -2.646 0.000 0.000
y 0.000 1.673 0.000
z 0.000 0.000 0.974
Polar
3z2-r21.947
x2-y2-2.879
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.822 0.000 0.000
y 0.000 9.903 0.000
z 0.000 0.000 10.097


<r2> (average value of r2) Å2
<r2> 121.118
(<r2>)1/2 11.005