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 C6H6 (Benzvalene)

using model chemistry: MP3/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-231.421195
Energy at 298.15K-231.427647
HF Energy-230.586919
Nuclear repulsion energy212.670948
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 MP3/cc-pVDZ
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 3304 3132 5.52      
2 A1 3291 3120 6.01      
3 A1 3251 3082 1.87      
4 A1 1651 1565 3.13      
5 A1 1439 1364 0.37      
6 A1 1203 1140 1.82      
7 A1 1122 1063 1.61      
8 A1 995 944 0.12      
9 A1 936 887 0.03      
10 A1 774 734 1.87      
11 A1 687 651 6.56      
12 A2 1133 1074 0.00      
13 A2 926 878 0.00      
14 A2 893 847 0.00      
15 A2 816 774 0.00      
16 A2 544 515 0.00      
17 B1 3273 3102 5.60      
18 B1 1149 1089 19.24      
19 B1 1006 953 0.17      
20 B1 775 734 89.64      
21 B1 649 615 0.55      
22 B1 517 490 10.10      
23 B2 3277 3107 5.25      
24 B2 3250 3081 19.11      
25 B2 1363 1292 4.33      
26 B2 1299 1231 3.96      
27 B2 1238 1173 0.35      
28 B2 996 944 0.25      
29 B2 866 821 5.21      
30 B2 830 787 7.48      

Unscaled Zero Point Vibrational Energy (zpe) 21725.6 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 20593.7 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 MP3/cc-pVDZ
ABC
0.24384 0.17352 0.12822

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.734 0.000 -1.013
C2 -0.734 0.000 -1.013
C3 0.000 1.080 -0.207
C4 0.000 -1.080 -0.207
C5 0.000 0.675 1.259
C6 0.000 -0.675 1.259
H7 1.490 0.000 -1.798
H8 -1.490 0.000 -1.798
H9 0.000 2.119 -0.548
H10 0.000 -2.119 -0.548
H11 0.000 1.359 2.108
H12 0.000 -1.359 2.108

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46801.53481.53482.48082.48081.08982.35852.29012.29013.48223.4822
C21.46801.53481.53482.48082.48082.35851.08982.29012.29013.48223.4822
C31.53481.53482.16091.52072.28702.43282.43281.09283.21742.33173.3632
C41.53481.53482.16092.28701.52072.43282.43283.21741.09283.36322.3317
C52.48082.48081.52072.28701.35023.46683.46682.31253.32711.09052.2045
C62.48082.48082.28701.52071.35023.46683.46683.32712.31252.20451.0905
H71.08982.35852.43282.43283.46683.46682.97992.87622.87624.39584.3958
H82.35851.08982.43282.43283.46683.46682.97992.87622.87624.39584.3958
H92.29012.29011.09283.21742.31253.32712.87622.87624.23772.76224.3760
H102.29012.29013.21741.09283.32712.31252.87622.87624.23774.37602.7622
H113.48223.48222.33173.36321.09052.20454.39584.39582.76224.37602.7184
H123.48223.48223.36322.33172.20451.09054.39584.39584.37602.76222.7184

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.429 C1 C2 C4 61.429
C1 C2 H8 133.919 C1 C3 C2 57.143
C1 C3 C5 108.566 C1 C3 H9 120.346
C1 C4 C2 57.143 C1 C4 C6 108.566
C1 C4 H10 120.346 C2 C1 C3 61.429
C2 C1 C4 61.429 C2 C1 H7 133.919
C2 C3 C5 108.566 C2 C3 H9 120.346
C2 C4 C6 108.566 C2 C4 H10 120.346
C3 C1 C4 89.496 C3 C1 H7 135.230
C3 C2 C4 89.496 C3 C2 H8 135.230
C3 C5 C6 105.459 C3 C5 H11 125.689
C4 C1 H7 135.230 C4 C2 H8 135.230
C4 C6 C5 105.459 C4 C6 H12 125.689
C5 C3 H9 123.624 C5 C6 H12 128.852
C6 C4 H10 123.624 C6 C5 H11 128.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability