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: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-270.596375
Energy at 298.15K-270.605788
Nuclear repulsion energy287.631463
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 CCD/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 3265 3091 7.89      
2 A1 3156 2987 9.31      
3 A1 3100 2935 35.71      
4 A1 1691 1600 0.06      
5 A1 1551 1468 0.42      
6 A1 1299 1229 2.87      
7 A1 1161 1099 0.18      
8 A1 977 925 2.70      
9 A1 926 876 7.06      
10 A1 810 766 0.60      
11 A1 753 712 51.90      
12 A1 435 412 5.23      
13 A2 3238 3065 0.00      
14 A2 1352 1280 0.00      
15 A2 1303 1233 0.00      
16 A2 1165 1102 0.00      
17 A2 954 903 0.00      
18 A2 905 857 0.00      
19 A2 731 692 0.00      
20 A2 454 430 0.00      
21 B1 3263 3089 22.06      
22 B1 3160 2991 32.74      
23 B1 1654 1565 2.87      
24 B1 1288 1219 0.69      
25 B1 1116 1057 0.49      
26 B1 1068 1011 0.65      
27 B1 952 902 1.50      
28 B1 685 648 31.34      
29 B1 519 491 6.08      
30 B2 3240 3067 11.40      
31 B2 3154 2985 52.96      
32 B2 1382 1309 20.44      
33 B2 1312 1242 0.00      
34 B2 1219 1154 0.47      
35 B2 995 942 0.04      
36 B2 930 880 0.32      
37 B2 904 855 3.17      
38 B2 838 793 6.62      
39 B2 562 532 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 28732.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 27195.7 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 CCD/6-31G*
ABC
0.14306 0.12045 0.10621

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.351
C2 0.000 1.121 0.274
C3 0.000 -1.121 0.274
C4 1.240 0.670 -0.520
C5 1.240 -0.670 -0.520
C6 -1.240 0.670 -0.520
C7 -1.240 -0.670 -0.520
H8 -0.901 0.000 1.975
H9 0.901 0.000 1.975
H10 0.000 2.159 0.619
H11 0.000 -2.159 0.619
H12 1.930 1.340 -1.024
H13 1.930 -1.340 -1.024
H14 -1.930 1.340 -1.024
H15 -1.930 -1.340 -1.024

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15
C11.55371.55372.34212.34212.34212.34211.09621.09622.27932.27933.34053.34053.34053.3405
C21.55372.24101.53982.31801.53982.31802.22732.22731.09393.29732.33653.38602.33653.3860
C31.55372.24102.31801.53982.31801.53982.22732.22733.29731.09393.38602.33653.38602.3365
C42.34211.53982.31801.33972.47922.81803.35532.60602.24753.29171.08622.18413.27903.7871
C52.34212.31801.53981.33972.81802.47923.35532.60603.29172.24752.18411.08623.78713.2790
C62.34211.53982.31802.47922.81801.33972.60603.35532.24753.29173.27903.78711.08622.1841
C72.34212.31801.53982.81802.47921.33972.60603.35533.29172.24753.78713.27902.18411.0862
H81.09622.22732.22733.35533.35532.60602.60601.80162.70392.70394.33654.33653.44233.4423
H91.09622.22732.22732.60602.60603.35533.35531.80162.70392.70393.44233.44234.33654.3365
H102.27931.09393.29732.24753.29172.24753.29172.70392.70394.31742.66364.32042.66364.3204
H112.27933.29731.09393.29172.24753.29172.24752.70392.70394.31744.32042.66364.32042.6636
H123.34052.33653.38601.08622.18413.27903.78714.33653.44232.66364.32042.68003.86104.7000
H133.34053.38602.33652.18411.08623.78713.27904.33653.44234.32042.66362.68004.70003.8610
H143.34052.33653.38603.27903.78711.08622.18413.44234.33652.66364.32043.86104.70002.6800
H153.34053.38602.33653.78713.27902.18411.08623.44234.33654.32042.66364.70003.86102.6800

picture of Norbornadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 98.416 C1 C2 C6 98.416
C1 C2 H10 117.782 C1 C3 C5 98.416
C1 C3 C7 98.416 C1 C3 H11 117.782
C2 C1 C3 92.305 C2 C1 H8 113.254
C2 C1 H9 113.254 C2 C4 C5 107.019
C2 C4 H12 124.789 C2 C6 C7 107.019
C2 C6 H14 124.789 C3 C1 H8 113.254
C3 C1 H9 113.254 C3 C5 C4 107.019
C3 C5 H13 124.789 C3 C7 C6 107.019
C3 C7 H15 124.789 C4 C2 C6 107.230
C4 C2 H10 116.128 C4 C5 H13 128.099
C5 C3 C7 107.230 C5 C3 H11 116.128
C5 C4 H12 128.099 C6 C2 H10 116.128
C6 C7 H15 128.099 C7 C3 H11 116.128
C7 C6 H14 128.099 H8 C1 H9 110.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability