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 C7H8 (Norbornadiene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-269.749063
Energy at 298.15K-269.758868
HF Energy-269.749063
Nuclear repulsion energy289.627765
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/Def2TZVPP
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 3373 3057 8.95      
2 A1 3255 2950 15.03      
3 A1 3194 2895 54.01      
4 A1 1793 1625 0.43      
5 A1 1628 1476 0.82      
6 A1 1380 1251 1.99      
7 A1 1223 1108 0.23      
8 A1 1010 915 9.47      
9 A1 959 870 17.50      
10 A1 842 763 3.80      
11 A1 829 751 56.44      
12 A1 458 415 7.34      
13 A2 3343 3030 0.00      
14 A2 1431 1297 0.00      
15 A2 1385 1255 0.00      
16 A2 1226 1111 0.00      
17 A2 1062 962 0.00      
18 A2 974 882 0.00      
19 A2 774 702 0.00      
20 A2 486 440 0.00      
21 B1 3370 3055 21.41      
22 B1 3244 2941 45.88      
23 B1 1750 1586 12.61      
24 B1 1362 1235 0.16      
25 B1 1181 1070 0.65      
26 B1 1127 1022 1.06      
27 B1 977 885 4.75      
28 B1 756 685 38.63      
29 B1 551 500 6.23      
30 B2 3345 3032 17.65      
31 B2 3251 2947 86.31      
32 B2 1469 1332 30.14      
33 B2 1397 1266 0.04      
34 B2 1299 1178 0.76      
35 B2 1087 985 4.86      
36 B2 1019 924 1.39      
37 B2 959 869 0.15      
38 B2 863 783 8.76      
39 B2 598 542 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 30114.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 27295.6 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 HF/Def2TZVPP
ABC
0.14556 0.12112 0.10756

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.349
C2 0.000 1.103 0.261
C3 0.000 -1.103 0.261
C4 1.248 0.653 -0.516
C5 1.248 -0.653 -0.516
C6 -1.248 0.653 -0.516
C7 -1.248 -0.653 -0.516
H8 -0.889 0.000 1.965
H9 0.889 0.000 1.965
H10 0.000 2.128 0.593
H11 0.000 -2.128 0.593
H12 1.943 1.318 -0.987
H13 1.943 -1.318 -0.987
H14 -1.943 1.318 -0.987
H15 -1.943 -1.318 -0.987

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54921.54922.33782.33782.33782.33781.08181.08182.25822.25823.31233.31233.31233.3123
C21.54922.20581.53782.29081.53782.29082.21602.21601.07723.24772.31943.34592.31943.3459
C31.54922.20582.29081.53782.29081.53782.21602.21603.24771.07723.34592.31943.34592.3194
C42.33781.53782.29081.30692.49652.81793.33972.59102.22763.24411.07052.14283.29353.7805
C52.33782.29081.53781.30692.81792.49653.33972.59103.24412.22762.14281.07053.78053.2935
C62.33781.53782.29082.49652.81791.30692.59103.33972.22763.24413.29353.78051.07052.1428
C72.33782.29081.53782.81792.49651.30692.59103.33973.24412.22763.78053.29352.14281.0705
H81.08182.21602.21603.33973.33972.59102.59101.77862.68362.68364.29834.29833.40053.4005
H91.08182.21602.21602.59102.59103.33973.33971.77862.68362.68363.40053.40054.29834.2983
H102.25821.07723.24772.22763.24412.22763.24412.68362.68364.25562.63194.25982.63194.2598
H112.25823.24771.07723.24412.22763.24412.22762.68362.68364.25564.25982.63194.25982.6319
H123.31232.31943.34591.07052.14283.29353.78054.29833.40052.63194.25982.63633.88584.6957
H133.31233.34592.31942.14281.07053.78053.29354.29833.40054.25982.63192.63634.69573.8858
H143.31232.31943.34593.29353.78051.07052.14283.40054.29832.63194.25983.88584.69572.6363
H153.31233.34592.31943.78053.29352.14281.07053.40054.29834.25982.63194.69573.88582.6363

picture of Norbornadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 98.454 C1 C2 C6 98.454
C1 C2 H10 117.460 C1 C3 C5 98.454
C1 C3 C7 98.454 C1 C3 H11 117.460
C2 C1 C3 90.782 C2 C1 H8 113.569
C2 C1 H9 113.569 C2 C4 C5 106.994
C2 C4 H12 124.586 C2 C6 C7 106.994
C2 C6 H14 124.586 C3 C1 H8 113.569
C3 C1 H9 113.569 C3 C5 C4 106.994
C3 C5 H13 124.586 C3 C7 C6 106.994
C3 C7 H15 124.586 C4 C2 C6 108.533
C4 C2 H10 115.705 C4 C5 H13 128.381
C5 C3 C7 108.533 C5 C3 H11 115.705
C5 C4 H12 128.381 C6 C2 H10 115.705
C6 C7 H15 128.381 C7 C3 H11 115.705
C7 C6 H14 128.381 H8 C1 H9 110.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.148      
2 C 0.141      
3 C 0.141      
4 C -0.207      
5 C -0.207      
6 C -0.207      
7 C -0.207      
8 H 0.057      
9 H 0.057      
10 H 0.099      
11 H 0.099      
12 H 0.095      
13 H 0.095      
14 H 0.095      
15 H 0.095      


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 0.058 0.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.117 0.000 0.000
y 0.000 -38.976 0.000
z 0.000 0.000 -43.485
Traceless
 xyz
x -1.887 0.000 0.000
y 0.000 4.325 0.000
z 0.000 0.000 -2.438
Polar
3z2-r2-4.876
x2-y2-4.142
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.973 0.000 0.000
y 0.000 11.351 0.000
z 0.000 0.000 8.859


<r2> (average value of r2) Å2
<r2> 151.417
(<r2>)1/2 12.305