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: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
1 2 no D3 1A1

Conformer 1 (D3H)

Jump to S1C2
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-311.155141
Energy at 298.15K-311.172923
HF Energy-311.155141
Nuclear repulsion energy413.486489
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 HF/6-311G*
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 3213 2906 0.00      
2 A1 3188 2883 0.00      
3 A1 3178 2874 0.00      
4 A1 1666 1507 0.00      
5 A1 1501 1358 0.00      
6 A1 1377 1246 0.00      
7 A1 1100 995 0.00      
8 A1 1009 912 0.00      
9 A1 838 757 0.00      
10 A1 679 614 0.00      
11 A1 43 39 0.00      
12 A2 3214 2907 12.46      
13 A2 3197 2892 279.39      
14 A2 3166 2863 23.89      
15 A2 1635 1479 1.75      
16 A2 1509 1365 0.26      
17 A2 1232 1114 0.01      
18 A2 1075 972 1.65      
19 A2 854 773 0.17      
20 A2 847 766 0.69      
21 E 3225 2917 176.42      
21 E 3225 2917 176.42      
22 E 3195 2890 23.06      
22 E 3195 2890 23.06      
23 E 3186 2881 95.93      
23 E 3186 2881 95.93      
24 E 3168 2865 1.63      
24 E 3168 2865 1.63      
25 E 1644 1486 6.30      
25 E 1644 1486 6.30      
26 E 1619 1464 0.03      
26 E 1619 1464 0.03      
27 E 1514 1369 0.01      
27 E 1514 1369 0.01      
28 E 1487 1345 0.02      
28 E 1487 1345 0.02      
29 E 1464 1324 0.00      
29 E 1464 1324 0.00      
30 E 1429 1292 3.15      
30 E 1429 1292 3.15      
31 E 1376 1245 0.17      
31 E 1376 1245 0.17      
32 E 1261 1141 0.00      
32 E 1261 1141 0.00      
33 E 1216 1100 0.06      
33 E 1216 1100 0.06      
34 E 1151 1041 0.03      
34 E 1151 1041 0.03      
35 E 1033 934 0.01      
35 E 1033 934 0.01      
36 E 934 845 1.83      
36 E 934 845 1.83      
37 E 890 805 0.47      
37 E 890 805 0.47      
38 E 545 493 0.00      
38 E 545 493 0.00      
39 E 402 363 0.05      
39 E 402 363 0.05      
40 E 295 267 0.00      
40 E 295 267 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 48294.3 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 43677.4 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 HF/6-311G*
ABC
0.08169 0.07872 0.07872

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is D3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.294
C2 0.000 0.000 -1.294
C3 -0.045 1.444 0.774
C4 1.273 -0.683 0.774
C5 -1.228 -0.761 0.774
C6 0.045 1.444 -0.774
C7 -1.273 -0.683 -0.774
C8 1.228 -0.761 -0.774
H9 0.000 0.000 2.381
H10 0.000 0.000 -2.381
H11 0.769 2.018 1.206
H12 -0.964 1.921 1.105
H13 1.364 -1.675 1.206
H14 2.145 -0.126 1.105
H15 -2.132 -0.344 1.206
H16 -1.181 -1.795 1.105
H17 -0.769 2.018 -1.206
H18 0.964 1.921 -1.105
H19 -1.364 -1.675 -1.206
H20 -2.145 -0.126 -1.105
H21 2.132 -0.344 -1.206
H22 1.181 -1.795 -1.105

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
C12.58841.53511.53511.53512.52302.52302.52301.08643.67482.16162.15722.16162.15722.16162.15723.30423.22063.30423.22063.30423.2206
C22.58842.52302.52302.52301.53511.53511.53513.67481.08643.30423.22063.30423.22063.30423.22062.16162.15722.16162.15722.16162.1572
C31.53512.52302.50192.50191.55152.90312.98002.16013.46991.08591.08633.44932.71482.78163.44802.18562.18553.92273.22553.44383.9402
C41.53512.52302.50192.50192.90312.98001.55152.16013.46992.78163.44801.08591.08633.44932.71483.92273.22553.44383.94022.18562.1855
C51.53512.52302.50192.50192.98001.55152.90312.16013.46993.44932.71482.78163.44801.08591.08633.44383.94022.18562.18553.92273.2255
C62.52301.53511.55152.90312.98002.50192.50193.46992.16012.18562.18553.92273.22553.44383.94021.08591.08633.44932.71482.78163.4480
C72.52301.53512.90312.98001.55152.50192.50193.46992.16013.92273.22553.44383.94022.18562.18552.78163.44801.08591.08633.44932.7148
C82.52301.53512.98001.55152.90312.50192.50193.46992.16013.44383.94022.18562.18553.92273.22553.44932.71482.78163.44801.08591.0863
H91.08643.67482.16012.16012.16013.46993.46993.46994.76122.45842.49912.45842.49912.45842.49914.18704.09454.18704.09454.18704.0945
H103.67481.08643.46993.46993.46992.16012.16012.16014.76124.18704.09454.18704.09454.18704.09452.45842.49912.45842.49912.45842.4991
H112.16163.30421.08592.78163.44932.18563.92273.44382.45844.18701.73803.74092.55003.74094.28432.86082.32144.89984.29283.64154.4781
H122.15723.22061.08633.44802.71482.18553.22553.94022.49914.09451.73804.28423.72192.55003.72192.32142.93204.29283.23494.47814.8258
H132.16163.30423.44931.08592.78163.92273.44382.18562.45844.18703.74094.28421.73803.74092.55004.89984.29283.64154.47812.86082.3214
H142.15723.22062.71481.08633.44803.22553.94022.18552.49914.09452.55003.72191.73804.28433.72194.29283.23494.47814.82582.32142.9320
H152.16163.30422.78163.44931.08593.44382.18563.92272.45844.18703.74092.55003.74094.28431.73803.64154.47812.86082.32144.89984.2928
H162.15723.22063.44802.71481.08633.94022.18553.22552.49914.09454.28433.72192.55003.72191.73804.47814.82582.32142.93204.29283.2349
H173.30422.16162.18563.92273.44381.08592.78163.44934.18702.45842.86082.32144.89984.29283.64154.47811.73803.74092.55003.74094.2843
H183.22062.15722.18553.22553.94021.08633.44802.71484.09452.49912.32142.93204.29283.23494.47814.82581.73804.28423.72192.55003.7219
H193.30422.16163.92273.44382.18563.44931.08592.78164.18702.45844.89984.29283.64154.47812.86082.32143.74094.28421.73803.74092.5500
H203.22062.15723.22553.94022.18552.71481.08633.44804.09452.49914.29283.23494.47814.82582.32142.93202.55003.72191.73804.28433.7219
H213.30422.16163.44382.18563.92272.78163.44931.08594.18702.45843.64154.47812.86082.32144.89984.29283.74092.55003.74094.28431.7380
H223.22062.15723.94022.18553.22553.44802.71481.08634.09452.49914.47814.82582.32142.93204.29283.23494.28433.72192.55003.72191.7380

picture of Bicyclo[2.2.2]octane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 109.652 C1 C3 H11 109.936
C1 C3 H12 109.561 C1 C4 C8 109.652
C1 C4 H13 109.936 C1 C4 H14 109.561
C1 C5 C7 109.652 C1 C5 H15 109.936
C1 C5 H17 71.821 C2 C6 C3 109.652
C2 C6 H17 109.936 C2 C6 H18 109.561
C2 C7 C5 109.652 C2 C7 H19 109.936
C2 C7 H20 109.561 C2 C8 C4 109.652
C2 C8 H21 109.936 C2 C8 H22 109.561
C3 C1 C4 109.149 C3 C1 C5 109.149
C3 C1 H9 109.792 C3 C6 H17 110.694
C3 C6 H18 110.661 C4 C1 C5 109.149
C4 C1 H9 109.792 C4 C8 H21 110.694
C4 C8 H22 110.661 C5 C1 H9 109.792
C5 C7 H19 110.694 C5 C7 H20 110.661
C6 C2 C7 109.149 C6 C2 C8 109.149
C6 C2 H10 109.792 C6 C3 H11 110.694
C6 C3 H12 110.661 C7 C2 C8 109.149
C7 C2 H10 109.792 C7 C5 H15 110.694
C7 C5 H16 110.661 C8 C2 H10 109.792
C8 C4 H13 110.694 C8 C4 H14 110.661
H11 C3 H12 106.283 H13 C4 H14 106.283
H15 C5 H16 106.283 H17 C6 H18 106.283
H19 C7 H20 106.283 H21 C8 H22 106.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.278      
2 C -0.278      
3 C -0.400      
4 C -0.400      
5 C -0.400      
6 C -0.400      
7 C -0.400      
8 C -0.400      
9 H 0.201      
10 H 0.201      
11 H 0.215      
12 H 0.211      
13 H 0.215      
14 H 0.211      
15 H 0.215      
16 H 0.211      
17 H 0.215      
18 H 0.211      
19 H 0.215      
20 H 0.211      
21 H 0.215      
22 H 0.211      


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 -52.438 0.000 0.000
y 0.000 -52.438 0.000
z 0.000 0.000 -52.670
Traceless
 xyz
x 0.116 0.000 0.000
y 0.000 0.116 0.000
z 0.000 0.000 -0.233
Polar
3z2-r2-0.466
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 11.502 0.000 0.000
y 0.000 11.502 0.000
z 0.000 0.000 11.571


<r2> (average value of r2) Å2
<r2> 232.685
(<r2>)1/2 15.254

Conformer 2 (D3)

Jump to S1C1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-311.155140
Energy at 298.15K-311.172917
HF Energy-311.155140
Nuclear repulsion energy413.485842
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 HF/6-311G*
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 3213 2906 0.00      
2 A1 3188 2883 0.00      
3 A1 3178 2874 0.00      
4 A1 1666 1507 0.00      
5 A1 1501 1358 0.00      
6 A1 1377 1246 0.00      
7 A1 1100 995 0.00      
8 A1 1009 912 0.00      
9 A1 838 757 0.00      
10 A1 679 614 0.00      
11 A1 40 36 0.00      
12 A2 3215 2907 9.99      
13 A2 3198 2892 282.64      
14 A2 3166 2864 23.13      
15 A2 1635 1479 1.74      
16 A2 1509 1365 0.27      
17 A2 1232 1114 0.01      
18 A2 1074 972 1.65      
19 A2 854 773 0.18      
20 A2 847 766 0.68      
21 E 3226 2917 176.85      
21 E 3226 2917 176.85      
22 E 3195 2890 18.67      
22 E 3195 2890 18.67      
23 E 3186 2882 100.23      
23 E 3186 2882 100.23      
24 E 3168 2866 1.28      
24 E 3168 2866 1.28      
25 E 1643 1486 6.31      
25 E 1643 1486 6.31      
26 E 1619 1464 0.03      
26 E 1619 1464 0.03      
27 E 1514 1369 0.01      
27 E 1514 1369 0.01      
28 E 1487 1345 0.02      
28 E 1487 1345 0.02      
29 E 1464 1324 0.00      
29 E 1464 1324 0.00      
30 E 1429 1292 3.16      
30 E 1429 1292 3.16      
31 E 1376 1245 0.16      
31 E 1376 1245 0.16      
32 E 1261 1141 0.00      
32 E 1261 1141 0.00      
33 E 1216 1100 0.06      
33 E 1216 1100 0.06      
34 E 1151 1041 0.03      
34 E 1151 1041 0.03      
35 E 1033 934 0.01      
35 E 1033 934 0.01      
36 E 934 845 1.83      
36 E 934 845 1.83      
37 E 890 805 0.47      
37 E 890 805 0.47      
38 E 545 493 0.00      
38 E 545 493 0.00      
39 E 402 363 0.05      
39 E 402 363 0.05      
40 E 295 267 0.00      
40 E 295 267 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 48294.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 43677.2 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 HF/6-311G*
ABC
0.08170 0.07871 0.07871

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is D3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.289
C2 0.000 0.000 -1.289
C3 -0.107 1.433 0.766
C4 1.295 -0.624 0.766
C5 -1.188 -0.809 0.766
C6 0.107 1.433 -0.766
C7 -1.295 -0.624 -0.766
C8 1.188 -0.809 -0.766
H9 0.000 0.000 2.394
H10 0.000 0.000 -2.394
H11 0.731 2.033 1.169
H12 -1.042 1.932 1.204
H13 1.395 -1.650 1.169
H14 2.194 -0.064 1.204
H15 -2.126 -0.383 1.169
H16 -1.153 -1.868 1.204
H17 -0.731 2.033 -1.169
H18 1.042 1.932 -1.204
H19 -1.395 -1.650 -1.169
H20 -2.194 -0.064 -1.204
H21 2.126 -0.383 -1.169
H22 1.153 -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
C12.57891.52951.52951.52952.50822.50822.50821.10503.68392.16352.19692.16352.19692.16352.19693.27243.32223.27243.32223.27243.3222
C22.57892.50822.50822.50821.52951.52951.52953.68391.10503.27243.32223.27243.32223.27243.32222.16352.19692.16352.19692.16352.1969
C31.52952.50822.48932.48931.54702.82703.00862.17193.47201.10611.14683.45252.78002.74553.49092.11962.33453.86083.23753.46804.0458
C41.52952.50822.48932.48932.82703.00861.54702.17193.47202.74553.49091.10611.14683.45252.78003.86083.23753.46804.04582.11962.3345
C51.52952.50822.48932.48933.00861.54702.82702.17193.47203.45252.78002.74553.49091.10611.14683.46804.04582.11962.33453.86083.2375
C62.50821.52951.54702.82703.00862.48932.48933.47202.17192.11962.33453.86083.23753.46804.04581.10611.14683.45252.78002.74553.4909
C72.50821.52952.82703.00861.54702.48932.48933.47202.17193.86083.23753.46804.04582.11962.33452.74553.49091.10611.14683.45252.7800
C82.50821.52953.00861.54702.82702.48932.48933.47202.17193.46804.04582.11962.33453.86083.23753.45252.78002.74553.49091.10611.1468
H91.10503.68392.17192.17192.17193.47203.47203.47204.78892.48362.49722.48362.49722.48362.49724.16684.21534.16684.21534.16684.2153
H103.68391.10503.47203.47203.47202.17192.17192.17194.78894.16684.21534.16684.21534.16684.21532.48362.49722.48362.49722.48362.4972
H112.16353.27241.10612.74553.45252.11963.86083.46802.48364.16681.77613.74142.55693.74144.33212.75722.39524.85194.31103.63924.5853
H122.19693.32221.14683.49092.78002.33453.23754.04582.49724.21531.77614.33213.80232.55693.80232.39523.18444.31103.33374.58535.0060
H132.16353.27243.45251.10612.74553.86083.46802.11962.48364.16683.74144.33211.77613.74142.55694.85194.31103.63924.58532.75722.3952
H142.19693.32222.78001.14683.49093.23754.04582.33452.49724.21532.55693.80231.77614.33213.80234.31103.33374.58535.00602.39523.1844
H152.16353.27242.74553.45251.10613.46802.11963.86082.48364.16683.74142.55693.74144.33211.77613.63924.58532.75722.39524.85194.3110
H162.19693.32223.49092.78001.14684.04582.33453.23752.49724.21534.33213.80232.55693.80231.77614.58535.00602.39523.18444.31103.3337
H173.27242.16352.11963.86083.46801.10612.74553.45254.16682.48362.75722.39524.85194.31103.63924.58531.77613.74142.55693.74144.3321
H183.32222.19692.33453.23754.04581.14683.49092.78004.21532.49722.39523.18444.31103.33374.58535.00601.77614.33213.80232.55693.8023
H193.27242.16353.86083.46802.11963.45251.10612.74554.16682.48364.85194.31103.63924.58532.75722.39523.74144.33211.77613.74142.5569
H203.32222.19693.23754.04582.33452.78001.14683.49094.21532.49724.31103.33374.58535.00602.39523.18442.55693.80231.77614.33213.8023
H213.27242.16353.46802.11963.86082.74553.45251.10614.16682.48363.63924.58532.75722.39524.85194.31103.74142.55693.74144.33211.7761
H223.32222.19694.04582.33453.23753.49092.78001.14684.21532.49724.58535.00602.39523.18444.31103.33374.33213.80232.55693.80231.7761

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 109.223 C1 C3 H11 109.288
C1 C3 H12 109.512 C1 C4 C8 109.223
C1 C4 H13 109.288 C1 C4 H14 109.512
C1 C5 C7 109.223 C1 C5 H15 109.288
C1 C5 H17 69.830 C2 C6 C3 109.223
C2 C6 H17 109.288 C2 C6 H18 109.512
C2 C7 C5 109.223 C2 C7 H19 109.288
C2 C7 H20 109.512 C2 C8 C4 109.223
C2 C8 H21 109.288 C2 C8 H22 109.512
C3 C1 C4 108.929 C3 C1 C5 108.929
C3 C1 H9 110.008 C3 C6 H17 104.831
C3 C6 H18 119.394 C4 C1 C5 108.929
C4 C1 H9 110.008 C4 C8 H21 104.831
C4 C8 H22 119.394 C5 C1 H9 110.008
C5 C7 H19 104.831 C5 C7 H20 119.394
C6 C2 C7 108.929 C6 C2 C8 108.929
C6 C2 H10 110.008 C6 C3 H11 104.831
C6 C3 H12 119.394 C7 C2 C8 108.929
C7 C2 H10 110.008 C7 C5 H15 104.831
C7 C5 H16 119.394 C8 C2 H10 110.008
C8 C4 H13 104.831 C8 C4 H14 119.394
H11 C3 H12 104.052 H13 C4 H14 104.052
H15 C5 H16 104.052 H17 C6 H18 104.052
H19 C7 H20 104.052 H21 C8 H22 104.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.278      
2 C -0.278      
3 C -0.400      
4 C -0.400      
5 C -0.400      
6 C -0.400      
7 C -0.400      
8 C -0.400      
9 H 0.201      
10 H 0.201      
11 H 0.214      
12 H 0.211      
13 H 0.214      
14 H 0.211      
15 H 0.214      
16 H 0.211      
17 H 0.214      
18 H 0.211      
19 H 0.214      
20 H 0.211      
21 H 0.214      
22 H 0.211      


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 -52.440 0.000 0.000
y 0.000 -52.440 0.000
z 0.000 0.000 -52.665
Traceless
 xyz
x 0.113 0.000 0.000
y 0.000 0.113 0.000
z 0.000 0.000 -0.225
Polar
3z2-r2-0.450
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 11.500 0.000 0.000
y 0.000 11.500 0.000
z 0.000 0.000 11.572


<r2> (average value of r2) Å2
<r2> 232.688
(<r2>)1/2 15.254