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: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-268.711294
Energy at 298.15K-268.720923
Nuclear repulsion energy286.322497
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 CID/3-21G
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 3342 3113 5.90      
2 A1 3246 3024 7.91      
3 A1 3172 2955 28.41      
4 A1 1716 1599 0.11      
5 A1 1596 1487 0.54      
6 A1 1317 1227 3.99      
7 A1 1204 1121 0.13      
8 A1 984 917 5.86      
9 A1 914 852 21.82      
10 A1 830 773 10.42      
11 A1 798 743 47.27      
12 A1 456 425 6.70      
13 A2 3306 3080 0.00      
14 A2 1377 1283 0.00      
15 A2 1349 1257 0.00      
16 A2 1212 1129 0.00      
17 A2 1009 940 0.00      
18 A2 923 860 0.00      
19 A2 766 714 0.00      
20 A2 475 443 0.00      
21 B1 3337 3108 19.23      
22 B1 3237 3016 26.64      
23 B1 1681 1566 2.13      
24 B1 1308 1219 2.25      
25 B1 1164 1084 0.08      
26 B1 1089 1014 1.73      
27 B1 916 853 4.55      
28 B1 736 685 39.04      
29 B1 527 491 6.07      
30 B2 3308 3082 8.28      
31 B2 3241 3019 36.96      
32 B2 1418 1321 24.12      
33 B2 1366 1272 0.84      
34 B2 1240 1155 0.42      
35 B2 1029 959 2.34      
36 B2 999 931 1.17      
37 B2 923 860 0.03      
38 B2 825 768 6.97      
39 B2 578 539 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 29456.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 27441.9 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 CID/3-21G
ABC
0.14110 0.11886 0.10555

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.372
C2 0.000 1.133 0.280
C3 0.000 -1.133 0.280
C4 1.244 0.666 -0.529
C5 1.244 -0.666 -0.529
C6 -1.244 0.666 -0.529
C7 -1.244 -0.666 -0.529
H8 -0.901 0.000 1.982
H9 0.901 0.000 1.982
H10 0.000 2.164 0.614
H11 0.000 -2.164 0.614
H12 1.934 1.331 -1.021
H13 1.934 -1.331 -1.021
H14 -1.934 1.331 -1.021
H15 -1.934 -1.331 -1.021

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15
C11.57351.57352.36772.36772.36772.36771.08841.08842.29322.29323.35223.35223.35223.3522
C21.57352.26651.55632.33251.55632.33252.23462.23461.08373.31442.33943.39182.33943.3918
C31.57352.26652.33251.55632.33251.55632.23462.23463.31441.08373.39182.33943.39182.3394
C42.36771.55632.33251.33172.48862.82253.36962.62102.25853.29621.07682.16873.28413.7854
C52.36772.33251.55631.33172.82252.48863.36962.62103.29622.25852.16871.07683.78543.2841
C62.36771.55632.33252.48862.82251.33172.62103.36962.25853.29623.28413.78541.07682.1687
C72.36772.33251.55632.82252.48861.33172.62103.36963.29622.25853.78543.28412.16871.0768
H81.08842.23462.23463.36963.36962.62102.62101.80212.71452.71454.33934.33933.44373.4437
H91.08842.23462.23462.62102.62103.36963.36961.80212.71452.71453.44373.44374.33934.3393
H102.29321.08373.31442.25853.29622.25853.29622.71452.71454.32862.66634.31612.66634.3161
H112.29323.31441.08373.29622.25853.29622.25852.71452.71454.32864.31612.66634.31612.6663
H123.35222.33943.39181.07682.16873.28413.78544.33933.44372.66634.31612.66113.86794.6949
H133.35223.39182.33942.16871.07683.78543.28414.33933.44374.31612.66632.66114.69493.8679
H143.35222.33943.39183.28413.78541.07682.16873.44374.33932.66634.31613.86794.69492.6611
H153.35223.39182.33943.78543.28412.16871.07683.44374.33934.31612.66634.69493.86792.6611

picture of Norbornadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 98.313 C1 C2 C6 98.313
C1 C2 H10 118.133 C1 C3 C5 98.313
C1 C3 C7 98.313 C1 C3 H11 118.133
C2 C1 C3 92.142 C2 C1 H8 112.902
C2 C1 H9 112.902 C2 C4 C5 107.477
C2 C4 H12 124.354 C2 C6 C7 107.477
C2 C6 H14 124.354 C3 C1 H8 112.902
C3 C1 H9 112.902 C3 C5 C4 107.477
C3 C5 H13 124.354 C3 C7 C6 107.477
C3 C7 H15 124.354 C4 C2 C6 106.170
C4 C2 H10 116.482 C4 C5 H13 128.121
C5 C3 C7 106.170 C5 C3 H11 116.482
C5 C4 H12 128.121 C6 C2 H10 116.482
C6 C7 H15 128.121 C7 C3 H11 116.482
C7 C6 H14 128.121 H8 C1 H9 111.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability