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: mPW1PW91/6-31G*

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 mPW1PW91/6-31G*
 hartrees
Energy at 0K-313.228980
Energy at 298.15K-313.246379
HF Energy-313.228980
Nuclear repulsion energy413.154996
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 mPW1PW91/6-31G*
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 3102 2941 0.00      
2 A1 3095 2935 0.00      
3 A1 3071 2913 0.00      
4 A1 1560 1479 0.00      
5 A1 1392 1320 0.00      
6 A1 1282 1216 0.00      
7 A1 1061 1006 0.00      
8 A1 937 888 0.00      
9 A1 812 770 0.00      
10 A1 643 610 0.00      
11 A1 72 68 0.00      
12 A2 3120 2959 2.36      
13 A2 3089 2930 168.13      
14 A2 3062 2904 31.25      
15 A2 1532 1452 2.13      
16 A2 1398 1326 0.81      
17 A2 1157 1097 0.01      
18 A2 1003 951 0.96      
19 A2 823 780 0.47      
20 A2 805 763 0.10      
21 E 3126 2964 92.14      
21 E 3126 2964 92.13      
22 E 3102 2941 3.43      
22 E 3102 2941 3.43      
23 E 3077 2918 82.29      
23 E 3077 2918 82.29      
24 E 3064 2906 0.96      
24 E 3064 2906 0.96      
25 E 1537 1458 8.01      
25 E 1537 1458 8.01      
26 E 1515 1437 0.02      
26 E 1515 1437 0.02      
27 E 1409 1336 0.04      
27 E 1409 1336 0.04      
28 E 1382 1311 0.04      
28 E 1382 1311 0.04      
29 E 1355 1285 0.00      
29 E 1355 1285 0.00      
30 E 1330 1261 3.24      
30 E 1330 1261 3.24      
31 E 1279 1213 0.06      
31 E 1279 1213 0.06      
32 E 1180 1119 0.02      
32 E 1180 1119 0.02      
33 E 1133 1075 0.03      
33 E 1133 1075 0.03      
34 E 1102 1045 0.10      
34 E 1102 1045 0.10      
35 E 989 937 0.00      
35 E 989 937 0.00      
36 E 901 855 1.53      
36 E 901 855 1.53      
37 E 846 802 1.21      
37 E 846 802 1.21      
38 E 510 483 0.01      
38 E 510 483 0.01      
39 E 378 358 0.04      
39 E 378 358 0.04      
40 E 285 270 0.00      
40 E 285 270 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 46006.3 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 43627.8 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 mPW1PW91/6-31G*
ABC
0.08169 0.07873 0.07873

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is D3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.292
C2 0.000 0.000 -1.292
C3 -0.042 1.443 0.774
C4 1.270 -0.685 0.774
C5 -1.229 -0.758 0.774
C6 0.042 1.443 -0.774
C7 -1.270 -0.685 -0.774
C8 1.229 -0.758 -0.774
H9 0.000 0.000 2.388
H10 0.000 0.000 -2.388
H11 0.784 2.017 1.208
H12 -0.966 1.925 1.112
H13 1.355 -1.688 1.208
H14 2.150 -0.125 1.112
H15 -2.139 -0.329 1.208
H16 -1.184 -1.799 1.112
H17 -0.784 2.017 -1.208
H18 0.966 1.925 -1.112
H19 -1.355 -1.688 -1.208
H20 -2.150 -0.125 -1.112
H21 2.139 -0.329 -1.208
H22 1.184 -1.799 -1.112

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
C12.58421.53371.53371.53372.51992.51992.51991.09593.68012.16572.16102.16572.16102.16572.16103.30643.22793.30643.22793.30643.2279
C22.58422.51992.51992.51991.53371.53371.53373.68011.09593.30643.22793.30643.22793.30643.22792.16572.16102.16572.16102.16572.1610
C31.53372.51992.49992.49991.54932.90362.97462.16563.47551.09571.09623.45512.71612.77963.45372.19242.19203.93043.23423.43813.9456
C41.53372.51992.49992.49992.90362.97461.54932.16563.47552.77963.45371.09571.09623.45512.71613.93043.23423.43813.94562.19242.1920
C51.53372.51992.49992.49992.97461.54932.90362.16563.47553.45512.71612.77963.45371.09571.09623.43813.94562.19242.19203.93043.2342
C62.51991.53371.54932.90362.97462.49992.49993.47552.16562.19242.19203.93043.23423.43813.94561.09571.09623.45512.71612.77963.4537
C72.51991.53372.90362.97461.54932.49992.49993.47552.16563.93043.23423.43813.94562.19242.19202.77963.45371.09571.09623.45512.7161
C82.51991.53372.97461.54932.90362.49992.49993.47552.16563.43813.94562.19242.19203.93043.23423.45512.71612.77963.45371.09571.0962
H91.09593.68012.16562.16562.16563.47553.47553.47554.77612.46502.50292.46502.50292.46502.50294.19684.10984.19684.10984.19684.1098
H103.68011.09593.47553.47553.47552.16562.16562.16564.77614.19684.10984.19684.10984.19684.10982.46502.50292.46502.50292.46502.5029
H112.16573.30641.09572.77963.45512.19243.93043.43812.46504.19681.75553.74822.54243.74824.29452.88012.32914.91254.31073.62974.4838
H122.16103.22791.09623.45372.71612.19203.23423.94562.50294.10981.75554.29453.72992.54243.72992.32912.94694.31073.24864.48384.8412
H132.16573.30643.45511.09572.77963.93043.43812.19242.46504.19683.74824.29451.75553.74822.54244.91254.31073.62974.48382.88012.3291
H142.16103.22792.71611.09623.45373.23423.94562.19202.50294.10982.54243.72991.75554.29453.72994.31073.24864.48384.84122.32912.9469
H152.16573.30642.77963.45511.09573.43812.19243.93042.46504.19683.74822.54243.74824.29451.75553.62974.48382.88012.32914.91254.3107
H162.16103.22793.45372.71611.09623.94562.19203.23422.50294.10984.29453.72992.54243.72991.75554.48384.84122.32912.94694.31073.2486
H173.30642.16572.19243.93043.43811.09572.77963.45514.19682.46502.88012.32914.91254.31073.62974.48381.75553.74822.54243.74824.2945
H183.22792.16102.19203.23423.94561.09623.45372.71614.10982.50292.32912.94694.31073.24864.48384.84121.75554.29453.72992.54243.7299
H193.30642.16573.93043.43812.19243.45511.09572.77964.19682.46504.91254.31073.62974.48382.88012.32913.74824.29451.75553.74822.5424
H203.22792.16103.23423.94562.19202.71611.09623.45374.10982.50294.31073.24864.48384.84122.32912.94692.54243.72991.75554.29453.7299
H213.30642.16573.43812.19243.93042.77963.45511.09574.19682.46503.62974.48382.88012.32914.91254.31073.74822.54243.74824.29451.7555
H223.22792.16103.94562.19203.23423.45372.71611.09624.10982.50294.48384.84122.32912.94694.31073.24864.29453.72992.54243.72991.7555

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 109.642 C1 C3 H11 109.781
C1 C3 H12 109.386 C1 C4 C8 109.642
C1 C4 H13 109.781 C1 C4 H14 109.386
C1 C5 C7 109.642 C1 C5 H15 109.781
C1 C5 H17 72.105 C2 C6 C3 109.642
C2 C6 H17 109.781 C2 C6 H18 109.386
C2 C7 C5 109.642 C2 C7 H19 109.781
C2 C7 H20 109.386 C2 C8 C4 109.642
C2 C8 H21 109.781 C2 C8 H22 109.386
C3 C1 C4 109.179 C3 C1 C5 109.179
C3 C1 H9 109.762 C3 C6 H17 110.798
C3 C6 H18 110.744 C4 C1 C5 109.179
C4 C1 H9 109.762 C4 C8 H21 110.798
C4 C8 H22 110.744 C5 C1 H9 109.762
C5 C7 H19 110.798 C5 C7 H20 110.744
C6 C2 C7 109.179 C6 C2 C8 109.179
C6 C2 H10 109.762 C6 C3 H11 110.798
C6 C3 H12 110.744 C7 C2 C8 109.179
C7 C2 H10 109.762 C7 C5 H15 110.798
C7 C5 H16 110.744 C8 C2 H10 109.762
C8 C4 H13 110.798 C8 C4 H14 110.744
H11 C3 H12 106.435 H13 C4 H14 106.435
H15 C5 H16 106.435 H17 C6 H18 106.435
H19 C7 H20 106.435 H21 C8 H22 106.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.151      
2 C -0.151      
3 C -0.324      
4 C -0.324      
5 C -0.324      
6 C -0.324      
7 C -0.324      
8 C -0.324      
9 H 0.152      
10 H 0.152      
11 H 0.162      
12 H 0.161      
13 H 0.162      
14 H 0.161      
15 H 0.162      
16 H 0.161      
17 H 0.162      
18 H 0.161      
19 H 0.162      
20 H 0.161      
21 H 0.162      
22 H 0.161      


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 -50.852 0.000 0.000
y 0.000 -50.852 0.000
z 0.000 0.000 -51.018
Traceless
 xyz
x 0.083 0.000 0.000
y 0.000 0.083 0.000
z 0.000 0.000 -0.166
Polar
3z2-r2-0.332
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 11.333 0.000 -0.000
y 0.000 11.333 0.000
z -0.000 0.000 11.325


<r2> (average value of r2) Å2
<r2> 231.873
(<r2>)1/2 15.227

Conformer 2 (D3)

Jump to S1C1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-313.228979
Energy at 298.15K-313.246381
HF Energy-313.228979
Nuclear repulsion energy413.161272
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 mPW1PW91/6-31G*
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 3103 2942 0.00      
2 A1 3096 2936 0.00      
3 A1 3072 2913 0.00      
4 A1 1560 1480 0.00      
5 A1 1391 1320 0.00      
6 A1 1283 1216 0.00      
7 A1 1062 1007 0.00      
8 A1 937 889 0.00      
9 A1 812 770 0.00      
10 A1 643 609 0.00      
11 A1 74 70 0.00      
12 A2 3121 2959 2.60      
13 A2 3090 2930 168.65      
14 A2 3063 2904 30.44      
15 A2 1532 1452 2.13      
16 A2 1398 1326 0.79      
17 A2 1156 1097 0.01      
18 A2 1003 951 0.95      
19 A2 822 779 0.47      
20 A2 804 763 0.11      
21 E 3127 2965 91.86      
21 E 3127 2965 91.86      
22 E 3103 2942 3.80      
22 E 3103 2942 3.79      
23 E 3077 2918 81.96      
23 E 3077 2918 81.95      
24 E 3065 2907 1.06      
24 E 3065 2907 1.06      
25 E 1537 1458 8.01      
25 E 1537 1458 8.01      
26 E 1516 1437 0.02      
26 E 1516 1437 0.02      
27 E 1409 1336 0.04      
27 E 1409 1336 0.04      
28 E 1382 1310 0.04      
28 E 1382 1310 0.04      
29 E 1355 1285 0.00      
29 E 1355 1285 0.00      
30 E 1330 1261 3.24      
30 E 1330 1261 3.24      
31 E 1279 1213 0.07      
31 E 1279 1213 0.07      
32 E 1180 1119 0.02      
32 E 1180 1119 0.02      
33 E 1133 1075 0.04      
33 E 1133 1075 0.04      
34 E 1102 1045 0.10      
34 E 1102 1045 0.10      
35 E 988 937 0.01      
35 E 988 937 0.01      
36 E 902 855 1.53      
36 E 902 855 1.53      
37 E 846 802 1.21      
37 E 846 802 1.21      
38 E 509 483 0.01      
38 E 509 483 0.01      
39 E 378 358 0.04      
39 E 378 358 0.04      
40 E 285 270 0.00      
40 E 285 270 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 46011.4 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 43632.6 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 mPW1PW91/6-31G*
ABC
0.08166 0.07874 0.07874

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

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 -0.105 1.433 0.766
C4 1.293 -0.625 0.766
C5 -1.188 -0.807 0.766
C6 0.105 1.433 -0.766
C7 -1.293 -0.625 -0.766
C8 1.188 -0.807 -0.766
H9 0.000 0.000 2.398
H10 0.000 0.000 -2.398
H11 0.736 2.033 1.172
H12 -1.042 1.932 1.202
H13 1.392 -1.654 1.172
H14 2.194 -0.064 1.202
H15 -2.128 -0.379 1.172
H16 -1.152 -1.868 1.202
H17 -0.736 2.033 -1.172
H18 1.042 1.932 -1.202
H19 -1.392 -1.654 -1.172
H20 -2.194 -0.064 -1.202
H21 2.128 -0.379 -1.172
H22 1.152 -1.868 -1.202

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
C12.57891.52891.52891.52892.50752.50752.50751.10883.68772.16512.19642.16512.19642.16512.19643.27603.32033.27603.32033.27603.3203
C22.57892.50752.50752.50751.52891.52891.52893.68771.10883.27603.32033.27603.32033.27603.32032.16512.19642.16512.19642.16512.1964
C31.52892.50752.48812.48811.54612.82713.00612.17443.47491.11021.14733.45452.77752.74603.49002.12442.33183.86493.23653.46784.0432
C41.52892.50752.48812.48812.82713.00611.54612.17443.47492.74603.49001.11021.14733.45452.77753.86493.23653.46784.04322.12442.3318
C51.52892.50752.48812.48813.00611.54612.82712.17443.47493.45452.77752.74603.49001.11021.14733.46784.04322.12442.33183.86493.2365
C62.50751.52891.54612.82713.00612.48812.48813.47492.17442.12442.33183.86493.23653.46784.04321.11021.14733.45452.77752.74603.4900
C72.50751.52892.82713.00611.54612.48812.48813.47492.17443.86493.23653.46784.04322.12442.33182.74603.49001.11021.14733.45452.7775
C82.50751.52893.00611.54612.82712.48812.48813.47492.17443.46784.04322.12442.33183.86493.23653.45452.77752.74603.49001.11021.1473
H91.10883.68772.17442.17442.17443.47493.47493.47494.79642.48552.49942.48552.49942.48552.49944.17374.21664.17374.21664.17374.2166
H103.68771.10883.47493.47493.47492.17442.17442.17444.79644.17374.21664.17374.21664.17374.21662.48552.49942.48552.49942.48552.4994
H112.16513.27601.11022.74603.45452.12443.86493.46782.48554.17371.78073.74452.55373.74454.33372.76772.39584.85944.31453.63984.5853
H122.19643.32031.14733.49002.77752.33183.23654.04322.49944.21661.78074.33373.80122.55373.80122.39583.18134.31453.33034.58535.0031
H132.16513.27603.45451.11022.74603.86493.46782.12442.48554.17373.74454.33371.78073.74452.55374.85944.31453.63984.58532.76772.3958
H142.19643.32032.77751.14733.49003.23654.04322.33182.49944.21662.55373.80121.78074.33373.80124.31453.33034.58535.00312.39583.1813
H152.16513.27602.74603.45451.11023.46782.12443.86492.48554.17373.74452.55373.74454.33371.78073.63984.58532.76772.39584.85944.3145
H162.19643.32033.49002.77751.14734.04322.33183.23652.49944.21664.33373.80122.55373.80121.78074.58535.00312.39583.18134.31453.3303
H173.27602.16512.12443.86493.46781.11022.74603.45454.17372.48552.76772.39584.85944.31453.63984.58531.78073.74452.55373.74454.3337
H183.32032.19642.33183.23654.04321.14733.49002.77754.21662.49942.39583.18134.31453.33034.58535.00311.78074.33373.80122.55373.8012
H193.27602.16513.86493.46782.12443.45451.11022.74604.17372.48554.85944.31453.63984.58532.76772.39583.74454.33371.78073.74452.5537
H203.32032.19643.23654.04322.33182.77751.14733.49004.21662.49944.31453.33034.58535.00312.39583.18132.55373.80121.78074.33373.8012
H213.27602.16513.46782.12443.86492.74603.45451.11024.17372.48553.63984.58532.76772.39584.85944.31453.74452.55373.74454.33371.7807
H223.32032.19644.04322.33183.23653.49002.77751.14734.21662.49944.58535.00312.39583.18134.31453.33034.33373.80122.55373.80121.7807

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 109.263 C1 C3 H11 109.216
C1 C3 H12 109.482 C1 C4 C8 109.263
C1 C4 H13 109.216 C1 C4 H14 109.482
C1 C5 C7 109.263 C1 C5 H15 109.216
C1 C5 H17 69.974 C2 C6 C3 109.263
C2 C6 H17 109.216 C2 C6 H18 109.482
C2 C7 C5 109.263 C2 C7 H19 109.216
C2 C7 H20 109.482 C2 C8 C4 109.263
C2 C8 H21 109.216 C2 C8 H22 109.482
C3 C1 C4 108.911 C3 C1 C5 108.911
C3 C1 H9 110.026 C3 C6 H17 105.026
C3 C6 H18 119.197 C4 C1 C5 108.911
C4 C1 H9 110.026 C4 C8 H21 105.026
C4 C8 H22 119.197 C5 C1 H9 110.026
C5 C7 H19 105.026 C5 C7 H20 119.197
C6 C2 C7 108.911 C6 C2 C8 108.911
C6 C2 H10 110.026 C6 C3 H11 105.026
C6 C3 H12 119.197 C7 C2 C8 108.911
C7 C2 H10 110.026 C7 C5 H15 105.026
C7 C5 H16 119.197 C8 C2 H10 110.026
C8 C4 H13 105.026 C8 C4 H14 119.197
H11 C3 H12 104.132 H13 C4 H14 104.132
H15 C5 H16 104.132 H17 C6 H18 104.132
H19 C7 H20 104.132 H21 C8 H22 104.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.151      
2 C -0.151      
3 C -0.324      
4 C -0.324      
5 C -0.324      
6 C -0.324      
7 C -0.324      
8 C -0.324      
9 H 0.152      
10 H 0.152      
11 H 0.162      
12 H 0.161      
13 H 0.162      
14 H 0.161      
15 H 0.162      
16 H 0.161      
17 H 0.162      
18 H 0.161      
19 H 0.162      
20 H 0.161      
21 H 0.162      
22 H 0.161      


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 -50.848 0.000 0.000
y 0.000 -50.848 0.000
z 0.000 0.000 -51.022
Traceless
 xyz
x 0.087 0.000 0.000
y 0.000 0.087 0.000
z 0.000 0.000 -0.174
Polar
3z2-r2-0.349
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 11.333 0.000 -0.000
y 0.000 11.333 0.000
z -0.000 0.000 11.321


<r2> (average value of r2) Å2
<r2> 231.863
(<r2>)1/2 15.227