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: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G3
 hartrees
Energy at 0K-271.255098
Energy at 298.15K-271.265408
Nuclear repulsion energy289.081124
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/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 3416 3219 11.07      
2 A1 3292 3102 17.70      
3 A1 3236 3049 55.24      
4 A1 1821 1716 0.23      
5 A1 1654 1558 0.04      
6 A1 1396 1315 0.94      
7 A1 1235 1163 0.13      
8 A1 1015 957 8.57      
9 A1 968 912 14.02      
10 A1 846 797 4.03      
11 A1 836 787 49.42      
12 A1 463 436 5.13      
13 A2 3386 3190 0.00      
14 A2 1449 1366 0.00      
15 A2 1396 1316 0.00      
16 A2 1237 1166 0.00      
17 A2 1054 994 0.00      
18 A2 986 929 0.00      
19 A2 775 730 0.00      
20 A2 486 458 0.00      
21 B1 3413 3216 32.01      
22 B1 3287 3097 52.10      
23 B1 1779 1676 5.21      
24 B1 1381 1301 0.01      
25 B1 1193 1124 0.31      
26 B1 1139 1073 0.65      
27 B1 988 931 4.17      
28 B1 763 719 32.12      
29 B1 557 525 4.59      
30 B2 3388 3192 21.10      
31 B2 3289 3098 86.60      
32 B2 1483 1397 23.66      
33 B2 1409 1328 0.01      
34 B2 1315 1239 0.40      
35 B2 1081 1019 4.74      
36 B2 1028 969 1.27      
37 B2 965 909 0.05      
38 B2 871 821 8.29      
39 B2 600 565 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 30438.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 28679.3 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 MP2=FULL/6-31G*
ABC
0.14368 0.12155 0.10680

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.345
C2 0.000 1.118 0.272
C3 0.000 -1.118 0.272
C4 1.234 0.672 -0.517
C5 1.234 -0.672 -0.517
C6 -1.234 0.672 -0.517
C7 -1.234 -0.672 -0.517
H8 -0.901 0.000 1.966
H9 0.901 0.000 1.966
H10 0.000 2.155 0.616
H11 0.000 -2.155 0.616
H12 1.923 1.340 -1.022
H13 1.923 -1.340 -1.022
H14 -1.923 1.340 -1.022
H15 -1.923 -1.340 -1.022

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54951.54952.33272.33272.33272.33271.09451.09452.27472.27473.33093.33093.33093.3309
C21.54952.23601.53122.31251.53122.31252.22092.22091.09233.29072.32823.37832.32823.3783
C31.54952.23602.31251.53122.31251.53122.22092.22093.29071.09233.37832.32823.37832.3282
C42.33271.53122.31251.34312.46762.80953.34322.59432.23753.28551.08452.18543.26563.7768
C52.33272.31251.53121.34312.80952.46763.34322.59433.28552.23752.18541.08453.77683.2656
C62.33271.53122.31252.46762.80951.34312.59433.34322.23753.28553.26563.77681.08452.1854
C72.33272.31251.53122.80952.46761.34312.59433.34323.28552.23753.77683.26562.18541.0845
H81.09452.22092.22093.34323.34322.59432.59431.80212.69782.69784.32434.32433.43083.4308
H91.09452.22092.22092.59432.59433.34323.34321.80212.69782.69783.43083.43084.32434.3243
H102.27471.09233.29072.23753.28552.23753.28552.69782.69784.30942.65394.31202.65394.3120
H112.27473.29071.09233.28552.23753.28552.23752.69782.69784.30944.31202.65394.31202.6539
H123.33092.32823.37831.08452.18543.26563.77684.32433.43082.65394.31202.68023.84504.6870
H133.33093.37832.32822.18541.08453.77683.26564.32433.43084.31202.65392.68024.68703.8450
H143.33092.32823.37833.26563.77681.08452.18543.43084.32432.65394.31203.84504.68702.6802
H153.33093.37832.32823.77683.26562.18541.08453.43084.32434.31202.65394.68703.84502.6802

picture of Norbornadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 98.312 C1 C2 C6 98.312
C1 C2 H10 117.866 C1 C3 C5 98.312
C1 C3 C7 98.312 C1 C3 H11 117.866
C2 C1 C3 91.873 C2 C1 H8 113.424
C2 C1 H9 113.424 C2 C4 C5 107.171
C2 C4 H12 124.752 C2 C6 C7 107.171
C2 C6 H14 124.752 C3 C1 H8 113.424
C3 C1 H9 113.424 C3 C5 C4 107.171
C3 C5 H13 124.752 C3 C7 C6 107.171
C3 C7 H15 124.752 C4 C2 C6 107.431
C4 C2 H10 116.088 C4 C5 H13 128.019
C5 C3 C7 107.431 C5 C3 H11 116.088
C5 C4 H12 128.019 C6 C2 H10 116.088
C6 C7 H15 128.019 C7 C3 H11 116.088
C7 C6 H14 128.019 H8 C1 H9 110.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability