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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-233.061262
Energy at 298.15K-233.070557
Nuclear repulsion energy229.931644
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/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 3189 3146 11.86      
2 A1 3064 3022 16.08      
3 A1 3063 3021 33.26      
4 A1 2990 2949 41.83      
5 A1 1590 1568 1.08      
6 A1 1473 1453 0.10      
7 A1 1238 1221 1.80      
8 A1 1115 1099 1.19      
9 A1 1035 1021 0.14      
10 A1 976 963 0.05      
11 A1 940 927 0.00      
12 A1 829 818 1.14      
13 A1 513 506 0.52      
14 A2 1187 1171 0.00      
15 A2 1078 1064 0.00      
16 A2 1037 1023 0.00      
17 A2 860 848 0.00      
18 A2 833 822 0.00      
19 A2 521 514 0.00      
20 B1 3058 3016 34.76      
21 B1 2981 2940 58.36      
22 B1 1439 1419 0.36      
23 B1 1201 1184 1.61      
24 B1 978 965 2.42      
25 B1 814 803 2.37      
26 B1 659 650 36.38      
27 B1 434 428 6.09      
28 B2 3163 3120 6.14      
29 B2 3062 3020 84.84      
30 B2 1297 1279 12.11      
31 B2 1218 1201 0.96      
32 B2 1191 1175 8.15      
33 B2 1077 1063 3.70      
34 B2 897 885 0.30      
35 B2 838 826 6.19      
36 B2 713 703 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 26275.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 25915.4 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 PBEPBE/6-31G**
ABC
0.19334 0.15542 0.14225

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.674 1.218
C2 0.000 -0.674 1.218
C3 0.000 -1.023 -0.281
C4 0.000 1.023 -0.281
C5 1.067 0.000 -0.810
C6 -1.067 0.000 -0.810
H7 0.000 1.380 2.049
H8 0.000 -1.380 2.049
H9 0.000 -2.082 -0.577
H10 0.000 2.082 -0.577
H11 2.056 0.000 -0.324
H12 -2.056 0.000 -0.324
H13 -1.165 0.000 -1.910
H14 1.165 0.000 -1.910

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34852.26421.53842.38832.38831.09052.21593.28912.28092.65672.65673.40513.4051
C21.34851.53842.26422.38832.38832.21591.09052.28093.28912.65672.65673.40513.4051
C32.26421.53842.04661.57021.57023.34702.35701.09963.11962.29702.29702.24942.2494
C41.53842.26422.04661.57021.57022.35703.34703.11961.09962.29702.29702.24942.2494
C52.38832.38831.57021.57022.13383.34923.34922.35132.35131.10213.16052.48841.1045
C62.38832.38831.57021.57022.13383.34923.34922.35132.35133.16051.10211.10452.4884
H71.09052.21593.34702.35703.34923.34922.75934.34522.71853.42973.42974.35184.3518
H82.21591.09052.35703.34703.34923.34922.75932.71854.34523.42973.42974.35184.3518
H93.28912.28091.09963.11962.35132.35134.34522.71854.16452.93722.93722.73332.7333
H102.28093.28913.11961.09962.35132.35132.71854.34524.16452.93722.93722.73332.7333
H112.65672.65672.29702.29701.10213.16053.42973.42972.93722.93724.11203.59051.8193
H122.65672.65672.29702.29703.16051.10213.42973.42972.93722.93724.11201.81933.5905
H133.40513.40512.24942.24942.48841.10454.35184.35182.73332.73333.59051.81932.3303
H143.40513.40512.24942.24941.10452.48844.35184.35182.73332.73331.81933.59052.3303

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 103.114 C1 C2 H8 130.303
C1 C4 C5 100.397 C1 C4 C6 100.397
C1 C4 H10 118.738 C2 C1 C4 103.114
C2 C1 H7 130.303 C2 C3 C5 100.397
C2 C3 C6 100.397 C2 C3 H9 118.738
C3 C2 H8 126.584 C3 C5 C4 81.337
C3 C5 H11 117.459 C3 C5 H14 113.342
C3 C6 C4 81.337 C3 C6 H12 117.459
C3 C6 H13 113.342 C4 C1 H7 126.584
C4 C5 H11 117.459 C4 C5 H14 113.342
C4 C6 H12 117.459 C4 C6 H13 113.342
C5 C3 C6 85.602 C5 C3 H9 122.466
C5 C4 C6 85.602 C5 C4 H10 122.466
C6 C3 H9 122.466 C6 C4 H10 122.466
H11 C5 H14 111.069 H12 C6 H13 111.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.059      
2 C -0.059      
3 C -0.152      
4 C -0.152      
5 C -0.177      
6 C -0.177      
7 H 0.093      
8 H 0.093      
9 H 0.081      
10 H 0.081      
11 H 0.109      
12 H 0.109      
13 H 0.105      
14 H 0.105      


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 -0.176 0.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.748 0.000 0.000
y 0.000 -35.229 0.000
z 0.000 0.000 -35.417
Traceless
 xyz
x -2.425 0.000 0.000
y 0.000 1.354 0.000
z 0.000 0.000 1.071
Polar
3z2-r22.143
x2-y2-2.519
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.366 0.000 0.000
y 0.000 8.938 0.000
z 0.000 0.000 9.105


<r2> (average value of r2) Å2
<r2> 121.076
(<r2>)1/2 11.003