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: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-270.669022
Energy at 298.15K-270.678419
Nuclear repulsion energy288.436403
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 MP2=FULL/6-31+G**
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 3312 3111 6.65      
2 A1 3202 3008 6.78      
3 A1 3136 2945 37.97      
4 A1 1633 1534 0.29      
5 A1 1536 1443 1.36      
6 A1 1282 1204 4.99      
7 A1 1146 1076 0.55      
8 A1 973 913 2.45      
9 A1 915 859 7.73      
10 A1 799 750 1.32      
11 A1 747 701 72.98      
12 A1 429 403 8.12      
13 A2 3285 3085 0.00      
14 A2 1327 1246 0.00      
15 A2 1296 1217 0.00      
16 A2 1154 1084 0.00      
17 A2 953 895 0.00      
18 A2 907 852 0.00      
19 A2 725 681 0.00      
20 A2 454 426 0.00      
21 B1 3310 3109 16.55      
22 B1 3211 3016 29.17      
23 B1 1593 1496 10.53      
24 B1 1261 1185 2.71      
25 B1 1102 1035 0.87      
26 B1 1056 992 0.29      
27 B1 946 889 1.43      
28 B1 680 638 45.00      
29 B1 515 484 9.30      
30 B2 3286 3087 8.50      
31 B2 3200 3005 50.70      
32 B2 1372 1289 23.41      
33 B2 1303 1223 0.02      
34 B2 1193 1121 0.84      
35 B2 986 926 0.00      
36 B2 923 867 0.37      
37 B2 903 848 4.41      
38 B2 829 779 6.63      
39 B2 555 521 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 28716.6 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 26970.7 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 MP2=FULL/6-31+G**
ABC
0.14361 0.12158 0.10667

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.345
C2 0.000 1.119 0.271
C3 0.000 -1.119 0.271
C4 1.234 0.673 -0.517
C5 1.234 -0.673 -0.517
C6 -1.234 0.673 -0.517
C7 -1.234 -0.673 -0.517
H8 -0.898 0.000 1.962
H9 0.898 0.000 1.962
H10 0.000 2.152 0.613
H11 0.000 -2.152 0.613
H12 1.921 1.338 -1.020
H13 1.921 -1.338 -1.020
H14 -1.921 1.338 -1.020
H15 -1.921 -1.338 -1.020

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15
C11.55121.55122.33342.33342.33342.33341.09001.09002.27292.27293.32783.32783.32783.3278
C21.55122.23881.53112.31501.53112.31502.21802.21801.08723.28882.32513.37582.32513.3758
C31.55122.23882.31501.53112.31501.53112.21802.21803.28881.08723.37582.32513.37582.3251
C42.33341.53112.31501.34672.46892.81243.33902.59092.23283.28341.07982.18383.26393.7758
C52.33342.31501.53111.34672.81242.46893.33902.59093.28342.23282.18381.07983.77583.2639
C62.33341.53112.31502.46892.81241.34672.59093.33902.23283.28343.26393.77581.07982.1838
C72.33342.31501.53112.81242.46891.34672.59093.33903.28342.23283.77583.26392.18381.0798
H81.09002.21802.21803.33903.33902.59092.59091.79692.69412.69414.31674.31673.42473.4247
H91.09002.21802.21802.59092.59093.33903.33901.79692.69412.69413.42473.42474.31674.3167
H102.27291.08723.28882.23283.28342.23283.28342.69412.69414.30332.64944.30492.64944.3049
H112.27293.28881.08723.28342.23283.28342.23282.69412.69414.30334.30492.64944.30492.6494
H123.32782.32513.37581.07982.18383.26393.77584.31673.42472.64944.30492.67543.84264.6823
H133.32783.37582.32512.18381.07983.77583.26394.31673.42474.30492.64942.67544.68233.8426
H143.32782.32513.37583.26393.77581.07982.18383.42474.31672.64944.30493.84264.68232.6754
H153.32783.37582.32513.77583.26392.18381.07983.42474.31674.30492.64944.68233.84262.6754

picture of Norbornadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 98.403 C1 C2 C6 98.403
C1 C2 H10 117.885 C1 C3 C5 98.403
C1 C3 C7 98.403 C1 C3 H11 117.885
C2 C1 C3 92.380 C2 C1 H8 113.076
C2 C1 H9 113.076 C2 C4 C5 106.938
C2 C4 H12 124.986 C2 C6 C7 106.938
C2 C6 H14 124.986 C3 C1 H8 113.076
C3 C1 H9 113.076 C3 C5 C4 106.938
C3 C5 H13 124.986 C3 C7 C6 106.938
C3 C7 H15 124.986 C4 C2 C6 107.470
C4 C2 H10 115.994 C4 C5 H13 127.968
C5 C3 C7 107.470 C5 C3 H11 115.994
C5 C4 H12 127.968 C6 C2 H10 115.994
C6 C7 H15 127.968 C7 C3 H11 115.994
C7 C6 H14 127.968 H8 C1 H9 111.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability