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=FULL/6-311G*

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=FULL/6-311G*
 hartrees
Energy at 0K-231.560433
Energy at 298.15K-231.566875
HF Energy-230.608332
Nuclear repulsion energy213.978337
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=FULL/6-311G*
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 3287 3287 6.12      
2 A1 3278 3278 10.01      
3 A1 3237 3237 1.98      
4 A1 1649 1649 2.37      
5 A1 1446 1446 0.06      
6 A1 1216 1216 2.47      
7 A1 1133 1133 2.79      
8 A1 1009 1009 0.14      
9 A1 939 939 0.04      
10 A1 780 780 2.15      
11 A1 689 689 8.79      
12 A2 1141 1141 0.00      
13 A2 920 920 0.00      
14 A2 864 864 0.00      
15 A2 819 819 0.00      
16 A2 549 549 0.00      
17 B1 3259 3259 8.82      
18 B1 1149 1149 26.82      
19 B1 1000 1000 0.00      
20 B1 778 778 105.95      
21 B1 633 633 2.28      
22 B1 518 518 16.79      
23 B2 3261 3261 7.77      
24 B2 3236 3236 21.73      
25 B2 1370 1370 6.10      
26 B2 1305 1305 4.57      
27 B2 1248 1248 0.71      
28 B2 1011 1011 0.09      
29 B2 876 876 6.58      
30 B2 842 842 8.13      

Unscaled Zero Point Vibrational Energy (zpe) 21719.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21719.4 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=FULL/6-311G*
ABC
0.24702 0.17552 0.12966

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.728 0.000 -1.007
C2 -0.728 0.000 -1.007
C3 0.000 1.075 -0.206
C4 0.000 -1.075 -0.206
C5 0.000 0.670 1.253
C6 0.000 -0.670 1.253
H7 1.478 0.000 -1.785
H8 -1.478 0.000 -1.785
H9 0.000 2.105 -0.546
H10 0.000 -2.105 -0.546
H11 0.000 1.349 2.095
H12 0.000 -1.349 2.095

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45651.52531.52532.46722.46721.08082.33982.27422.27423.46063.4606
C21.45651.52531.52532.46722.46722.33981.08082.27422.27423.46063.4606
C31.52531.52532.14971.51442.27502.41522.41521.08443.19752.31813.3428
C41.52531.52532.14972.27501.51442.41522.41523.19751.08443.34282.3181
C52.46722.46721.51442.27501.34083.44453.44452.30083.30721.08192.1883
C62.46722.46722.27501.51441.34083.44453.44453.30722.30082.18831.0819
H71.08082.33982.41522.41523.44453.44452.95672.85482.85484.36634.3663
H82.33981.08082.41522.41523.44453.44452.95672.85482.85484.36634.3663
H92.27422.27421.08443.19752.30083.30722.85482.85484.20922.74744.3482
H102.27422.27423.19751.08443.30722.30082.85482.85484.20924.34822.7474
H113.46063.46062.31813.34281.08192.18834.36634.36632.74744.34822.6986
H123.46063.46063.34282.31812.18831.08194.36634.36634.34822.74742.6986

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.481 C1 C2 C4 61.481
C1 C2 H8 133.949 C1 C3 C2 57.038
C1 C3 C5 108.518 C1 C3 H9 120.313
C1 C4 C2 57.038 C1 C4 C6 108.518
C1 C4 H10 120.313 C2 C1 C3 61.481
C2 C1 C4 61.481 C2 C1 H7 133.949
C2 C3 C5 108.518 C2 C3 H9 120.313
C2 C4 C6 108.518 C2 C4 H10 120.313
C3 C1 C4 89.606 C3 C1 H7 135.173
C3 C2 C4 89.606 C3 C2 H8 135.173
C3 C5 C6 105.490 C3 C5 H11 125.645
C4 C1 H7 135.173 C4 C2 H8 135.173
C4 C6 C5 105.490 C4 C6 H12 125.645
C5 C3 H9 123.751 C5 C6 H12 128.865
C6 C4 H10 123.751 C6 C5 H11 128.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability