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All results from a given calculation for C7H8 (Norbornadiene)

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 C2V 1A1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-42.883846
Energy at 298.15K-42.893714
Nuclear repulsion energy147.174794
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 3386 3090 13.88      
2 A1 3271 2985 20.23      
3 A1 3193 2914 61.45      
4 A1 1753 1600 0.83      
5 A1 1637 1494 1.09      
6 A1 1372 1252 1.96      
7 A1 1224 1117 0.75      
8 A1 1011 923 13.70      
9 A1 953 870 33.19      
10 A1 850 776 21.79      
11 A1 835 762 55.41      
12 A1 464 423 8.78      
13 A2 3348 3055 0.00      
14 A2 1422 1298 0.00      
15 A2 1387 1266 0.00      
16 A2 1229 1121 0.00      
17 A2 1063 970 0.00      
18 A2 982 896 0.00      
19 A2 778 710 0.00      
20 A2 486 443 0.00      
21 B1 3382 3086 36.95      
22 B1 3267 2981 56.26      
23 B1 1708 1559 12.08      
24 B1 1361 1242 1.00      
25 B1 1184 1080 2.95      
26 B1 1133 1034 1.91      
27 B1 979 893 5.53      
28 B1 779 711 54.61      
29 B1 553 505 7.81      
30 B2 3350 3057 23.45      
31 B2 3265 2979 101.37      
32 B2 1464 1336 29.32      
33 B2 1403 1280 0.02      
34 B2 1299 1185 0.27      
35 B2 1088 992 4.98      
36 B2 1033 942 1.05      
37 B2 960 876 0.12      
38 B2 861 785 11.19      
39 B2 604 551 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 30157.2 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 27518.4 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/CEP-121G
ABC
0.14209 0.11868 0.10505

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.365
C2 0.000 1.128 0.273
C3 0.000 -1.128 0.273
C4 1.251 0.669 -0.525
C5 1.251 -0.669 -0.525
C6 -1.251 0.669 -0.525
C7 -1.251 -0.669 -0.525
H8 -0.891 0.000 1.982
H9 0.891 0.000 1.982
H10 0.000 2.156 0.603
H11 0.000 -2.156 0.603
H12 1.943 1.332 -1.008
H13 1.943 -1.332 -1.008
H14 -1.943 1.332 -1.008
H15 -1.943 -1.332 -1.008

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15
C11.56981.56982.36332.36332.36332.36331.08361.08362.28672.28673.34383.34383.34383.3438
C21.56982.25501.55282.33031.55282.33032.23292.23291.07993.29992.33633.38612.33633.3861
C31.56982.25502.33031.55282.33031.55282.23292.23293.29991.07993.38612.33633.38612.3363
C42.36331.55282.33031.33882.50192.83763.36452.61952.24633.28911.07312.17213.29793.8003
C52.36332.33031.55281.33882.83762.50193.36452.61953.28912.24632.17211.07313.80033.2979
C62.36331.55282.33032.50192.83761.33882.61953.36452.24633.28913.29793.80031.07312.1721
C72.36332.33031.55282.83762.50191.33882.61953.36453.28912.24633.80033.29792.17211.0731
H81.08362.23292.23293.36453.36452.61952.61951.78182.71002.71004.32954.32953.43793.4379
H91.08362.23292.23292.61952.61953.36453.36451.78182.71002.71003.43793.43794.32954.3295
H102.28671.07993.29992.24633.28912.24633.28912.71002.71004.31172.65494.30522.65494.3052
H112.28673.29991.07993.28912.24633.28912.24632.71002.71004.31174.30522.65494.30522.6549
H123.34382.33633.38611.07312.17213.29793.80034.32953.43792.65494.30522.66403.88684.7121
H133.34383.38612.33632.17211.07313.80033.29794.32953.43794.30522.65492.66404.71213.8868
H143.34382.33633.38613.29793.80031.07312.17213.43794.32952.65494.30523.88684.71212.6640
H153.34383.38612.33633.80033.29792.17211.07313.43794.32954.30522.65494.71213.88682.6640

picture of Norbornadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 98.370 C1 C2 C6 98.370
C1 C2 H10 118.129 C1 C3 C5 98.370
C1 C3 C7 98.370 C1 C3 H11 118.129
C2 C1 C3 91.818 C2 C1 H8 113.331
C2 C1 H9 113.331 C2 C4 C5 107.160
C2 C4 H12 124.663 C2 C6 C7 107.160
C2 C6 H14 124.663 C3 C1 H8 113.331
C3 C1 H9 113.331 C3 C5 C4 107.160
C3 C5 H13 124.663 C3 C7 C6 107.160
C3 C7 H15 124.663 C4 C2 C6 107.339
C4 C2 H10 115.965 C4 C5 H13 128.133
C5 C3 C7 107.339 C5 C3 H11 115.965
C5 C4 H12 128.133 C6 C2 H10 115.965
C6 C7 H15 128.133 C7 C3 H11 115.965
C7 C6 H14 128.133 H8 C1 H9 110.612
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 -0.375      
2 C -0.171      
3 C -0.171      
4 C -0.181      
5 C -0.181      
6 C -0.181      
7 C -0.181      
8 H 0.153      
9 H 0.153      
10 H 0.169      
11 H 0.169      
12 H 0.199      
13 H 0.199      
14 H 0.199      
15 H 0.199      


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 0.065 0.065
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.401 0.000 0.000
y 0.000 -39.117 0.000
z 0.000 0.000 -43.784
Traceless
 xyz
x -1.951 0.000 0.000
y 0.000 4.475 0.000
z 0.000 0.000 -2.524
Polar
3z2-r2-5.049
x2-y2-4.284
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.259 0.000 0.000
y 0.000 11.314 0.000
z 0.000 0.000 8.109


<r2> (average value of r2) Å2
<r2> 126.862
(<r2>)1/2 11.263