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All results from a given calculation for C6H6 (Dewar Benzene)

using model chemistry: MP3/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-231.633946
Energy at 298.15K 
HF Energy-230.648183
Nuclear repulsion energy209.004422
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/Def2TZVPP
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 3275 3275 5.71      
2 A1 3182 3182 26.01      
3 A1 1650 1650 0.08      
4 A1 1206 1206 4.03      
5 A1 1064 1064 1.49      
6 A1 970 970 9.34      
7 A1 886 886 0.29      
8 A1 831 831 75.10      
9 A1 393 393 4.55      
10 A2 3242 3242 0.00      
11 A2 1323 1323 0.00      
12 A2 1224 1224 0.00      
13 A2 979 979 0.00      
14 A2 949 949 0.00      
15 A2 797 797 0.00      
16 A2 333 333 0.00      
17 B1 3273 3273 29.57      
18 B1 1624 1624 9.82      
19 B1 1246 1246 4.17      
20 B1 1123 1123 0.10      
21 B1 1025 1025 0.45      
22 B1 740 740 44.53      
23 B2 3243 3243 19.59      
24 B2 3173 3173 13.43      
25 B2 1325 1325 35.89      
26 B2 1185 1185 6.05      
27 B2 979 979 2.90      
28 B2 946 946 5.90      
29 B2 856 856 9.67      
30 B2 499 499 5.09      

Unscaled Zero Point Vibrational Energy (zpe) 21769.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21769.2 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/Def2TZVPP
ABC
0.26196 0.14947 0.11671

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.786 0.527
C2 0.000 -0.786 0.527
H3 0.000 1.347 1.454
H4 0.000 -1.347 1.454
C5 -1.301 0.669 -0.266
C6 1.301 0.669 -0.266
C7 1.301 -0.669 -0.266
C8 -1.301 -0.669 -0.266
H9 -1.943 1.413 -0.710
H10 1.943 1.413 -0.710
H11 1.943 -1.413 -0.710
H12 -1.943 -1.413 -0.710

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57161.08422.32601.52771.52772.10632.10632.38722.38723.18423.1842
C21.57162.32601.08422.10632.10631.52771.52773.18423.18422.38722.3872
H31.08422.32602.69472.26062.26062.95232.95232.90942.90944.00974.0097
H42.32601.08422.69472.95232.95232.26062.26064.00974.00972.90942.9094
C51.52772.10632.26062.95232.60152.92551.33801.07853.35753.87992.2234
C61.52772.10632.26062.95232.60151.33802.92553.35751.07852.22343.8799
C72.10631.52772.95232.26062.92551.33802.60153.87992.22341.07853.3575
C82.10631.52772.95232.26061.33802.92552.60152.22343.87993.35751.0785
H92.38723.18422.90944.00971.07853.35753.87992.22343.88614.80472.8254
H102.38723.18422.90944.00973.35751.07852.22343.87993.88612.82544.8047
H113.18422.38724.00972.90943.87992.22341.07853.35754.80472.82543.8861
H123.18422.38724.00972.90942.22343.87993.35751.07852.82544.80473.8861

picture of Dewar Benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 121.195 C1 C2 H7 85.616
C1 C2 H8 85.616 C1 C5 H8 94.384
C1 C5 H9 131.928 C1 C6 H7 94.384
C1 C6 H10 131.928 C2 C1 C3 121.195
C2 C1 C5 85.616 C2 C1 C6 85.616
C2 H7 C6 94.384 C2 H7 H11 131.928
C2 H8 C5 94.384 C2 H8 H12 131.928
C3 C1 C5 118.905 C3 C1 C6 118.905
C4 C2 H7 118.905 C4 C2 H8 118.905
C5 C1 C6 116.746 C5 H8 H12 133.595
C6 H7 H11 133.595 H7 C6 H10 133.595
H8 C5 H9 133.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability