return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C8H14 (Bicyclo[2.2.2]octane)

using model chemistry: B3LYP/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes D3 1A1

Conformer 1 (D3H)

Jump to S1C2
Vibrational Frequencies calculated at B3LYP/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at B3LYP/cc-pVQZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3)

Jump to S1C1
Energy calculated at B3LYP/cc-pVQZ
 hartrees
Energy at 0K-313.421741
Energy at 298.15K-313.439110
HF Energy-313.421741
Nuclear repulsion energy412.557888
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 B3LYP/cc-pVQZ
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 3048 2953 0.00      
2 A1 3039 2944 0.00      
3 A1 3022 2928 0.00      
4 A1 1529 1481 0.00      
5 A1 1358 1315 0.00      
6 A1 1267 1227 0.00      
7 A1 1030 998 0.00      
8 A1 932 902 0.00      
9 A1 790 765 0.00      
10 A1 638 618 0.00      
11 A1 69 67 0.00      
12 A2 3062 2966 1.84      
13 A2 3037 2942 186.44      
14 A2 3014 2920 22.36      
15 A2 1504 1457 3.17      
16 A2 1380 1337 0.14      
17 A2 1139 1104 0.00      
18 A2 998 966 1.36      
19 A2 803 778 0.17      
20 A2 796 771 0.56      
21 E 3068 2973 105.01      
21 E 3068 2973 104.97      
22 E 3042 2948 4.23      
22 E 3042 2948 4.23      
23 E 3028 2934 87.02      
23 E 3028 2934 86.99      
24 E 3016 2922 0.61      
24 E 3016 2922 0.61      
25 E 1508 1461 8.34      
25 E 1508 1461 8.35      
26 E 1489 1443 0.02      
26 E 1489 1443 0.02      
27 E 1389 1346 0.01      
27 E 1389 1346 0.01      
28 E 1353 1311 0.00      
28 E 1353 1311 0.00      
29 E 1342 1300 0.01      
29 E 1342 1300 0.01      
30 E 1297 1256 3.41      
30 E 1297 1256 3.41      
31 E 1261 1222 0.05      
31 E 1261 1222 0.05      
32 E 1164 1128 0.01      
32 E 1164 1128 0.01      
33 E 1121 1086 0.01      
33 E 1121 1086 0.01      
34 E 1060 1027 0.00      
34 E 1060 1027 0.00      
35 E 964 934 0.00      
35 E 964 934 0.00      
36 E 873 846 1.83      
36 E 873 846 1.83      
37 E 831 805 0.46      
37 E 831 805 0.46      
38 E 511 495 0.00      
38 E 511 495 0.00      
39 E 378 366 0.03      
39 E 378 366 0.03      
40 E 282 273 0.00      
40 E 282 273 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 45203.6 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 43793.3 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 B3LYP/cc-pVQZ
ABC
0.08138 0.07838 0.07838

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ

Point Group is D3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.291
C2 0.000 0.000 -1.291
C3 -0.105 1.434 0.767
C4 1.295 -0.626 0.767
C5 -1.189 -0.808 0.767
C6 0.105 1.434 -0.767
C7 -1.295 -0.626 -0.767
C8 1.189 -0.808 -0.767
H9 0.000 0.000 2.398
H10 0.000 0.000 -2.398
H11 0.735 2.034 1.171
H12 -1.041 1.933 1.204
H13 1.394 -1.653 1.171
H14 2.195 -0.065 1.204
H15 -2.129 -0.381 1.171
H16 -1.154 -1.868 1.204
H17 -0.735 2.034 -1.171
H18 1.041 1.933 -1.204
H19 -1.394 -1.653 -1.171
H20 -2.195 -0.065 -1.204
H21 2.129 -0.381 -1.171
H22 1.154 -1.868 -1.204

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21 H22
C12.58101.53051.53051.53052.51012.51012.51011.10723.68822.16592.19752.16592.19752.16592.19753.27693.32363.27693.32363.27693.3236
C22.58102.51012.51012.51011.53051.53051.53053.68821.10723.27693.32363.27693.32363.27693.32362.16592.19752.16592.19752.16592.1975
C31.53052.51012.49082.49081.54792.83043.00942.17443.47591.10851.14743.45602.78022.74833.49252.12422.33433.86653.24033.47024.0469
C41.53052.51012.49082.49082.83043.00941.54792.17443.47592.74833.49251.10851.14743.45602.78023.86653.24033.47024.04692.12422.3343
C51.53052.51012.49082.49083.00941.54792.83042.17443.47593.45602.78022.74833.49251.10851.14743.47024.04692.12422.33433.86653.2403
C62.51011.53051.54792.83043.00942.49082.49083.47592.17442.12422.33433.86653.24033.47024.04691.10851.14743.45602.78022.74833.4925
C72.51011.53052.83043.00941.54792.49082.49083.47592.17443.86653.24033.47024.04692.12422.33432.74833.49251.10851.14743.45602.7802
C82.51011.53053.00941.54792.83042.49082.49083.47592.17443.47024.04692.12422.33433.86653.24033.45602.78022.74833.49251.10851.1474
H91.10723.68822.17442.17442.17443.47593.47593.47594.79542.48612.49912.48612.49912.48612.49914.17324.21864.17324.21864.17324.2186
H103.68821.10723.47593.47593.47592.17442.17442.17444.79544.17324.21864.17324.21864.17324.21862.48612.49912.48612.49912.48612.4991
H112.16593.27691.10852.74833.45602.12423.86653.47022.48614.17321.77883.74582.55733.74584.33532.76532.39774.85974.31653.64214.5879
H122.19753.32361.14743.49252.78022.33433.24034.04692.49914.21861.77884.33533.80332.55733.80332.39773.18414.31653.33574.58795.0072
H132.16593.27693.45601.10852.74833.86653.47022.12422.48614.17323.74584.33531.77883.74582.55734.85974.31653.64214.58792.76532.3977
H142.19753.32362.78021.14743.49253.24034.04692.33432.49914.21862.55733.80331.77884.33533.80334.31653.33574.58795.00722.39773.1841
H152.16593.27692.74833.45601.10853.47022.12423.86652.48614.17323.74582.55733.74584.33531.77883.64214.58792.76532.39774.85974.3165
H162.19753.32363.49252.78021.14744.04692.33433.24032.49914.21864.33533.80332.55733.80331.77884.58795.00722.39773.18414.31653.3357
H173.27692.16592.12423.86653.47021.10852.74833.45604.17322.48612.76532.39774.85974.31653.64214.58791.77883.74582.55733.74584.3353
H183.32362.19752.33433.24034.04691.14743.49252.78024.21862.49912.39773.18414.31653.33574.58795.00721.77884.33533.80332.55733.8033
H193.27692.16593.86653.47022.12423.45601.10852.74834.17322.48614.85974.31653.64214.58792.76532.39773.74584.33531.77883.74582.5573
H203.32362.19753.24034.04692.33432.78021.14743.49254.21862.49914.31653.33574.58795.00722.39773.18412.55733.80331.77884.33533.8033
H213.27692.16593.47022.12423.86652.74833.45601.10854.17322.48613.64214.58792.76532.39774.85974.31653.74582.55733.74584.33531.7788
H223.32362.19754.04692.33433.24033.49252.78021.14744.21862.49914.58795.00722.39773.18414.31653.33574.33533.80332.55733.80331.7788

picture of Bicyclo[2.2.2]octane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 109.250 C1 C3 H11 109.274
C1 C3 H12 109.461 C1 C4 C8 109.250
C1 C4 H13 109.274 C1 C4 H14 109.460
C1 C5 C7 109.250 C1 C5 H15 109.274
C1 C5 H17 69.922 C2 C6 C3 109.250
C2 C6 H17 109.274 C2 C6 H18 109.461
C2 C7 C5 109.250 C2 C7 H19 109.274
C2 C7 H20 109.460 C2 C8 C4 109.250
C2 C8 H21 109.274 C2 C8 H22 109.461
C3 C1 C4 108.926 C3 C1 C5 108.926
C3 C1 H9 110.011 C3 C6 H17 104.992
C3 C6 H18 119.260 C4 C1 C5 108.926
C4 C1 H9 110.011 C4 C8 H21 104.992
C4 C8 H22 119.260 C5 C1 H9 110.011
C5 C7 H19 104.992 C5 C7 H20 119.260
C6 C2 C7 108.926 C6 C2 C8 108.926
C6 C2 H10 110.011 C6 C3 H11 104.992
C6 C3 H12 119.260 C7 C2 C8 108.926
C7 C2 H10 110.011 C7 C5 H15 104.992
C7 C5 H16 119.260 C8 C2 H10 110.011
C8 C4 H13 104.992 C8 C4 H14 119.260
H11 C3 H12 104.082 H13 C4 H14 104.082
H15 C5 H16 104.082 H17 C6 H18 104.082
H19 C7 H20 104.082 H21 C8 H22 104.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.026      
2 C 0.026      
3 C -0.191      
4 C -0.191      
5 C -0.191      
6 C -0.191      
7 C -0.191      
8 C -0.191      
9 H 0.096      
10 H 0.096      
11 H 0.075      
12 H 0.076      
13 H 0.075      
14 H 0.076      
15 H 0.075      
16 H 0.076      
17 H 0.075      
18 H 0.076      
19 H 0.075      
20 H 0.076      
21 H 0.075      
22 H 0.076      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.354 0.000 0.000
y 0.000 -52.354 0.000
z 0.000 0.000 -52.516
Traceless
 xyz
x 0.081 0.000 0.000
y 0.000 0.081 0.000
z 0.000 0.000 -0.162
Polar
3z2-r2-0.324
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.018 0.000 0.000
y 0.000 13.018 0.000
z 0.000 0.000 13.180


<r2> (average value of r2) Å2
<r2> 233.496
(<r2>)1/2 15.281