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/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-51.936253
Energy at 298.15K-51.954076
HF Energy-51.936253
Nuclear repulsion energy223.876231
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/CEP-121G
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 3195 2915 0.00      
2 A1 3175 2897 0.00      
3 A1 3152 2876 0.00      
4 A1 1667 1521 0.00      
5 A1 1488 1358 0.00      
6 A1 1375 1254 0.00      
7 A1 1113 1016 0.00      
8 A1 1023 933 0.00      
9 A1 830 757 0.00      
10 A1 678 618 0.00      
11 A1 41 38 0.00      
12 A2 3201 2921 0.00      
13 A2 3177 2899 305.06      
14 A2 3136 2861 54.14      
15 A2 1642 1498 3.46      
16 A2 1509 1377 0.46      
17 A2 1229 1121 0.00      
18 A2 1070 976 1.28      
19 A2 861 785 0.00      
20 A2 842 768 1.31      
21 E 3215 2934 190.12      
21 E 3215 2934 190.12      
22 E 3182 2904 0.00      
22 E 3182 2904 0.00      
23 E 3158 2882 142.14      
23 E 3158 2882 142.14      
24 E 3136 2862 0.00      
24 E 3136 2862 0.00      
25 E 1646 1502 10.16      
25 E 1646 1502 10.16      
26 E 1628 1485 0.00      
26 E 1628 1485 0.00      
27 E 1515 1383 0.04      
27 E 1515 1383 0.04      
28 E 1479 1350 0.00      
28 E 1479 1350 0.00      
29 E 1474 1345 0.00      
29 E 1474 1345 0.00      
30 E 1417 1293 5.03      
30 E 1417 1293 5.03      
31 E 1374 1254 0.00      
31 E 1374 1254 0.00      
32 E 1264 1153 0.06      
32 E 1264 1153 0.06      
33 E 1221 1114 0.00      
33 E 1221 1114 0.00      
34 E 1159 1058 0.06      
34 E 1159 1058 0.06      
35 E 1042 951 0.00      
35 E 1042 951 0.00      
36 E 936 854 3.65      
36 E 936 854 3.65      
37 E 890 812 0.17      
37 E 890 812 0.17      
38 E 547 499 0.00      
38 E 547 499 0.00      
39 E 397 362 0.05      
39 E 397 362 0.05      
40 E 289 264 0.00      
40 E 289 264 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 48171.1 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 43956.1 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/CEP-121G
ABC
0.08028 0.07740 0.07740

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is D3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.304
C2 0.000 0.000 -1.304
C3 -0.000 1.459 0.782
C4 1.263 -0.729 0.782
C5 -1.263 -0.730 0.782
C6 0.000 1.459 -0.782
C7 -1.263 -0.729 -0.782
C8 1.263 -0.730 -0.782
H9 0.000 0.000 2.391
H10 0.000 0.000 -2.391
H11 0.871 1.984 1.166
H12 -0.872 1.983 1.166
H13 1.282 -1.747 1.166
H14 2.154 -0.236 1.166
H15 -2.154 -0.237 1.166
H16 -1.282 -1.747 1.166
H17 -0.871 1.984 -1.166
H18 0.872 1.983 -1.166
H19 -1.282 -1.747 -1.166
H20 -2.154 -0.236 -1.166
H21 2.154 -0.237 -1.166
H22 1.282 -1.747 -1.166

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
C12.60841.54951.54951.54952.54552.54552.54551.08713.69552.17122.17122.17122.17122.17122.17123.28603.28573.28603.28573.28603.2857
C22.60842.54552.54552.54551.54951.54951.54953.69551.08713.28603.28573.28603.28573.28603.28572.17122.17122.17122.17122.17122.1712
C31.54952.54552.52672.52671.56372.97132.97162.17223.49251.08771.08773.47372.76782.76803.47372.19762.19763.96403.36233.36313.9640
C41.54952.54552.52672.52672.97132.97161.56372.17223.49252.76803.47371.08771.08773.47372.76783.96403.36233.36313.96402.19762.1976
C51.54952.54552.52672.52672.97161.56372.97132.17223.49253.47372.76782.76803.47371.08771.08773.36313.96402.19762.19763.96403.3623
C62.54551.54951.56372.97132.97162.52672.52673.49252.17222.19762.19763.96403.36233.36313.96401.08771.08773.47372.76782.76803.4737
C72.54551.54952.97132.97161.56372.52672.52673.49252.17223.96403.36233.36313.96402.19762.19762.76803.47371.08771.08773.47372.7678
C82.54551.54952.97161.56372.97132.52672.52673.49252.17223.36313.96402.19762.19763.96403.36233.47372.76782.76803.47371.08771.0877
H91.08713.69552.17222.17222.17223.49253.49253.49254.78272.48922.48932.48922.48932.48922.48934.16544.16514.16544.16514.16544.1651
H103.69551.08713.49253.49253.49252.17222.17222.17224.78274.16544.16514.16544.16514.16544.16512.48922.48932.48922.48932.48922.4893
H112.17123.28601.08772.76803.47372.19763.96403.36312.48924.16541.74363.75302.56393.75304.30762.91162.33194.89844.41813.46654.4187
H122.17123.28571.08773.47372.76782.19763.36233.96402.48934.16511.74364.30763.75292.56393.75292.33192.91194.41813.46514.41874.8981
H132.17123.28603.47371.08772.76803.96403.36312.19762.48924.16543.75304.30761.74363.75302.56394.89844.41813.46654.41872.91162.3319
H142.17123.28572.76781.08773.47373.36233.96402.19762.48934.16512.56393.75291.74364.30763.75294.41813.46514.41874.89812.33192.9119
H152.17123.28602.76803.47371.08773.36312.19763.96402.48924.16543.75302.56393.75304.30761.74363.46654.41872.91162.33194.89844.4181
H162.17123.28573.47372.76781.08773.96402.19763.36232.48934.16514.30763.75292.56393.75291.74364.41874.89812.33192.91194.41813.4651
H173.28602.17122.19763.96403.36311.08772.76803.47374.16542.48922.91162.33194.89844.41813.46654.41871.74363.75302.56393.75304.3076
H183.28572.17122.19763.36233.96401.08773.47372.76784.16512.48932.33192.91194.41813.46514.41874.89811.74364.30763.75292.56393.7529
H193.28602.17123.96403.36312.19763.47371.08772.76804.16542.48924.89844.41813.46654.41872.91162.33193.75304.30761.74363.75302.5639
H203.28572.17123.36233.96402.19762.76781.08773.47374.16512.48934.41813.46514.41874.89812.33192.91192.56393.75291.74364.30763.7529
H213.28602.17123.36312.19763.96402.76803.47371.08774.16542.48923.46654.41872.91162.33194.89844.41813.75302.56393.75304.30761.7436
H223.28572.17123.96402.19763.36233.47372.76781.08774.16512.48934.41874.89812.33192.91194.41813.46514.30763.75292.56393.75291.7436

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 109.701 C1 C3 H11 109.588
C1 C3 H12 109.587 C1 C4 C8 109.701
C1 C4 H13 109.588 C1 C4 H14 109.587
C1 C5 C7 109.701 C1 C5 H15 109.588
C1 C5 H17 73.765 C2 C6 C3 109.701
C2 C6 H17 109.588 C2 C6 H18 109.587
C2 C7 C5 109.701 C2 C7 H19 109.588
C2 C7 H20 109.587 C2 C8 C4 109.701
C2 C8 H21 109.588 C2 C8 H22 109.587
C3 C1 C4 109.241 C3 C1 C5 109.241
C3 C1 H9 109.701 C3 C6 H17 110.678
C3 C6 H18 110.679 C4 C1 C5 109.241
C4 C1 H9 109.701 C4 C8 H21 110.678
C4 C8 H22 110.679 C5 C1 H9 109.701
C5 C7 H19 110.678 C5 C7 H20 110.679
C6 C2 C7 109.241 C6 C2 C8 109.241
C6 C2 H10 109.701 C6 C3 H11 110.678
C6 C3 H12 110.679 C7 C2 C8 109.241
C7 C2 H10 109.701 C7 C5 H15 110.678
C7 C5 H16 110.679 C8 C2 H10 109.701
C8 C4 H13 110.678 C8 C4 H14 110.679
H11 C3 H12 106.555 H13 C4 H14 106.555
H15 C5 H16 106.555 H17 C6 H18 106.555
H19 C7 H20 106.555 H21 C8 H22 106.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 C 0.007      
3 C -0.316      
4 C -0.316      
5 C -0.316      
6 C -0.316      
7 C -0.316      
8 C -0.316      
9 H 0.136      
10 H 0.136      
11 H 0.134      
12 H 0.134      
13 H 0.134      
14 H 0.134      
15 H 0.134      
16 H 0.134      
17 H 0.134      
18 H 0.134      
19 H 0.134      
20 H 0.134      
21 H 0.134      
22 H 0.134      


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 -52.477 0.000 0.000
y 0.000 -52.477 0.000
z 0.000 0.000 -52.749
Traceless
 xyz
x 0.136 0.000 0.000
y 0.000 0.136 0.000
z 0.000 0.000 -0.271
Polar
3z2-r2-0.543
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 11.642 0.000 0.000
y 0.000 11.642 0.000
z 0.000 0.000 11.722


<r2> (average value of r2) Å2
<r2> 196.274
(<r2>)1/2 14.010

Conformer 2 (D3)

Jump to S1C1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-51.936253
Energy at 298.15K-51.954076
HF Energy-51.936253
Nuclear repulsion energy223.875361
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/CEP-121G
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 3195 2915 0.00      
2 A1 3175 2897 0.00      
3 A1 3152 2876 0.00      
4 A1 1667 1521 0.00      
5 A1 1488 1358 0.00      
6 A1 1375 1254 0.00      
7 A1 1113 1016 0.00      
8 A1 1023 933 0.00      
9 A1 830 757 0.00      
10 A1 677 618 0.00      
11 A1 41 38 0.00      
12 A2 3201 2921 0.00      
13 A2 3177 2899 305.14      
14 A2 3136 2861 54.04      
15 A2 1642 1498 3.46      
16 A2 1509 1377 0.46      
17 A2 1229 1121 0.00      
18 A2 1070 976 1.28      
19 A2 861 785 0.00      
20 A2 842 768 1.31      
21 E 3215 2934 190.12      
21 E 3215 2934 190.12      
22 E 3182 2904 0.00      
22 E 3182 2904 0.00      
23 E 3158 2882 142.14      
23 E 3158 2882 142.14      
24 E 3136 2862 0.00      
24 E 3136 2862 0.00      
25 E 1646 1502 10.16      
25 E 1646 1502 10.16      
26 E 1628 1485 0.00      
26 E 1628 1485 0.00      
27 E 1515 1383 0.04      
27 E 1515 1383 0.04      
28 E 1479 1350 0.00      
28 E 1479 1350 0.00      
29 E 1474 1345 0.00      
29 E 1474 1345 0.00      
30 E 1417 1293 5.03      
30 E 1417 1293 5.03      
31 E 1374 1254 0.00      
31 E 1374 1254 0.00      
32 E 1264 1153 0.06      
32 E 1264 1153 0.06      
33 E 1221 1114 0.00      
33 E 1221 1114 0.00      
34 E 1159 1058 0.06      
34 E 1159 1058 0.06      
35 E 1042 951 0.00      
35 E 1042 951 0.00      
36 E 936 854 3.65      
36 E 936 854 3.65      
37 E 890 812 0.17      
37 E 890 812 0.17      
38 E 547 499 0.00      
38 E 547 499 0.00      
39 E 397 362 0.05      
39 E 397 362 0.05      
40 E 289 264 0.00      
40 E 289 264 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 48170.9 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 43955.9 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/CEP-121G
ABC
0.08028 0.07740 0.07740

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is D3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.296
C2 0.000 0.000 -1.296
C3 -0.107 1.441 0.770
C4 1.301 -0.628 0.770
C5 -1.195 -0.813 0.770
C6 0.107 1.441 -0.770
C7 -1.301 -0.628 -0.770
C8 1.195 -0.813 -0.770
H9 0.000 0.000 2.401
H10 0.000 0.000 -2.401
H11 0.732 2.041 1.173
H12 -1.043 1.940 1.209
H13 1.402 -1.655 1.173
H14 2.202 -0.067 1.209
H15 -2.134 -0.386 1.173
H16 -1.159 -1.873 1.209
H17 -0.732 2.041 -1.173
H18 1.043 1.940 -1.209
H19 -1.402 -1.655 -1.173
H20 -2.202 -0.067 -1.209
H21 2.134 -0.386 -1.173
H22 1.159 -1.873 -1.209

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
C12.59111.53751.53751.53752.52062.52062.52061.10543.69652.17192.20442.17192.20442.17192.20443.28613.33553.28613.33553.28613.3355
C22.59112.52062.52062.52061.53751.53751.53753.69651.10543.28613.33553.28613.33553.28613.33552.17192.20442.17192.20442.17192.2044
C31.53752.52062.50242.50241.55432.84223.02362.17903.48451.10761.14833.46692.79212.75893.50472.12792.34233.87763.25283.48354.0620
C41.53752.52062.50242.50242.84223.02361.55432.17903.48452.75893.50471.10761.14833.46702.79213.87763.25283.48354.06202.12792.3423
C51.53752.52062.50242.50243.02361.55432.84222.17903.48453.46702.79212.75893.50471.10761.14833.48354.06212.12792.34233.87763.2528
C62.52061.53751.55432.84223.02362.50242.50243.48452.17902.12792.34233.87763.25283.48354.06201.10761.14833.46692.79212.75893.5047
C72.52061.53752.84223.02361.55432.50242.50243.48452.17903.87763.25283.48354.06202.12792.34232.75893.50471.10761.14833.46702.7921
C82.52061.53753.02361.55432.84222.50242.50243.48452.17903.48354.06212.12792.34233.87763.25283.46702.79212.75893.50471.10761.1483
H91.10543.69652.17902.17902.17903.48453.48453.48454.80192.49182.50452.49182.50452.49182.50454.18084.22904.18084.22904.18084.2290
H103.69651.10543.48453.48453.48452.17902.17902.17904.80194.18084.22904.18084.22904.18084.22902.49182.50452.49182.50452.49182.5045
H112.17193.28611.10762.75893.46702.12793.87763.48352.49184.18081.77793.75602.57033.75604.34742.76632.40484.87034.32783.65594.6022
H122.20443.33551.14833.50472.79212.34233.25284.06212.50454.22901.77794.34743.81522.57033.81522.40483.19304.32783.35004.60225.0237
H132.17193.28613.46691.10762.75893.87763.48352.12792.49184.18083.75604.34741.77793.75602.57034.87034.32783.65594.60222.76632.4048
H142.20443.33552.79211.14833.50473.25284.06202.34232.50454.22902.57033.81521.77794.34743.81524.32783.35004.60225.02372.40483.1930
H152.17193.28612.75893.46701.10763.48352.12793.87762.49184.18083.75602.57033.75604.34741.77793.65594.60222.76632.40484.87034.3278
H162.20443.33553.50472.79211.14834.06202.34233.25282.50454.22904.34743.81522.57033.81521.77794.60225.02372.40483.19304.32783.3500
H173.28612.17192.12793.87763.48351.10762.75893.46704.18082.49182.76632.40484.87034.32783.65594.60221.77793.75602.57033.75604.3474
H183.33552.20442.34233.25284.06211.14833.50472.79214.22902.50452.40483.19304.32783.35004.60225.02371.77794.34743.81522.57033.8152
H193.28612.17193.87763.48352.12793.46691.10762.75894.18082.49184.87034.32783.65594.60222.76632.40483.75604.34741.77793.75602.5703
H203.33552.20443.25284.06202.34232.79211.14833.50474.22902.50454.32783.35004.60225.02372.40483.19302.57033.81521.77794.34743.8152
H213.28612.17193.48352.12793.87762.75893.46701.10764.18082.49183.65594.60222.76632.40484.87034.32783.75602.57033.75604.34741.7779
H223.33552.20444.06202.34233.25283.50472.79211.14834.22902.50454.60225.02372.40483.19304.32783.35004.34743.81522.57033.81521.7779

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 109.221 C1 C3 H11 109.320
C1 C3 H12 109.473 C1 C4 C8 109.221
C1 C4 H13 109.320 C1 C4 H14 109.473
C1 C5 C7 109.221 C1 C5 H15 109.320
C1 C5 H17 69.792 C2 C6 C3 109.221
C2 C6 H17 109.320 C2 C6 H18 109.473
C2 C7 C5 109.221 C2 C7 H19 109.320
C2 C7 H20 109.473 C2 C8 C4 109.221
C2 C8 H21 109.320 C2 C8 H22 109.473
C3 C1 C4 108.942 C3 C1 C5 108.942
C3 C1 H9 109.996 C3 C6 H17 104.900
C3 C6 H18 119.387 C4 C1 C5 108.942
C4 C1 H9 109.996 C4 C8 H21 104.900
C4 C8 H22 119.387 C5 C1 H9 109.996
C5 C7 H19 104.900 C5 C7 H20 119.387
C6 C2 C7 108.942 C6 C2 C8 108.942
C6 C2 H10 109.996 C6 C3 H11 104.900
C6 C3 H12 119.387 C7 C2 C8 108.942
C7 C2 H10 109.996 C7 C5 H15 104.900
C7 C5 H16 119.387 C8 C2 H10 109.996
C8 C4 H13 104.900 C8 C4 H14 119.387
H11 C3 H12 104.008 H13 C4 H14 104.008
H15 C5 H16 104.008 H17 C6 H18 104.008
H19 C7 H20 104.008 H21 C8 H22 104.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 C 0.007      
3 C -0.316      
4 C -0.316      
5 C -0.316      
6 C -0.316      
7 C -0.316      
8 C -0.316      
9 H 0.136      
10 H 0.136      
11 H 0.134      
12 H 0.134      
13 H 0.134      
14 H 0.134      
15 H 0.134      
16 H 0.134      
17 H 0.134      
18 H 0.134      
19 H 0.134      
20 H 0.134      
21 H 0.134      
22 H 0.134      


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 -52.477 0.000 0.000
y 0.000 -52.477 0.000
z 0.000 0.000 -52.749
Traceless
 xyz
x 0.136 0.000 0.000
y 0.000 0.136 0.000
z 0.000 0.000 -0.271
Polar
3z2-r2-0.543
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 11.642 0.000 0.000
y 0.000 11.642 0.000
z 0.000 0.000 11.723


<r2> (average value of r2) Å2
<r2> 196.275
(<r2>)1/2 14.010