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

using model chemistry: MP3=FULL/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=FULL/cc-pVDZ
 hartrees
Energy at 0K-231.429114
Energy at 298.15K 
HF Energy-230.582330
Nuclear repulsion energy207.249020
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/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 3278 3082 5.89      
2 A1 3175 2986 32.35      
3 A1 1654 1556 0.08      
4 A1 1201 1130 3.88      
5 A1 1052 989 1.09      
6 A1 969 911 7.18      
7 A1 878 826 0.03      
8 A1 821 772 69.13      
9 A1 391 368 3.89      
10 A2 3243 3050 0.00      
11 A2 1323 1244 0.00      
12 A2 1208 1136 0.00      
13 A2 972 914 0.00      
14 A2 929 873 0.00      
15 A2 794 747 0.00      
16 A2 326 306 0.00      
17 B1 3275 3080 33.71      
18 B1 1628 1531 6.07      
19 B1 1243 1169 4.06      
20 B1 1111 1045 0.03      
21 B1 1018 958 0.25      
22 B1 727 683 38.84      
23 B2 3245 3051 19.88      
24 B2 3167 2978 15.44      
25 B2 1314 1236 33.88      
26 B2 1171 1101 4.66      
27 B2 960 903 5.64      
28 B2 933 878 3.39      
29 B2 847 797 8.81      
30 B2 497 467 5.24      

Unscaled Zero Point Vibrational Energy (zpe) 21675.5 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 20381.5 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/cc-pVDZ
ABC
0.25719 0.14732 0.11491

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.791 0.530
C2 0.000 -0.791 0.530
H3 0.000 1.360 1.470
H4 0.000 -1.360 1.470
C5 -1.309 0.676 -0.268
C6 1.309 0.676 -0.268
C7 1.309 -0.676 -0.268
C8 -1.309 -0.676 -0.268
H9 -1.960 1.429 -0.720
H10 1.960 1.429 -0.720
H11 1.960 -1.429 -0.720
H12 -1.960 -1.429 -0.720

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.58151.09902.34751.53771.53772.12212.12212.41102.41103.21433.2143
C21.58152.34751.09902.12212.12211.53771.53773.21433.21432.41102.4110
H31.09902.34752.72082.28102.28102.98032.98032.94012.94014.05204.0520
H42.34751.09902.72082.98032.98032.28102.28104.05204.05202.94012.9401
C51.53772.12212.28102.98032.61892.94751.35231.09293.38543.91472.2491
C61.53772.12212.28102.98032.61891.35232.94753.38541.09292.24913.9147
C72.12211.53772.98032.28102.94751.35232.61893.91472.24911.09293.3854
C82.12211.53772.98032.28101.35232.94752.61892.24913.91473.38541.0929
H92.41103.21432.94014.05201.09293.38543.91472.24913.92014.85112.8576
H102.41103.21432.94014.05203.38541.09292.24913.91473.92012.85764.8511
H113.21432.41104.05202.94013.91472.24911.09293.38544.85112.85763.9201
H123.21432.41104.05202.94012.24913.91473.38541.09292.85764.85113.9201

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 121.222 C1 C2 H7 85.726
C1 C2 H8 85.726 C1 C5 H8 94.274
C1 C5 H9 132.101 C1 C6 H7 94.274
C1 C6 H10 132.101 C2 C1 C3 121.222
C2 C1 C5 85.726 C2 C1 C6 85.726
C2 H7 C6 94.274 C2 H7 H11 132.101
C2 H8 C5 94.274 C2 H8 H12 132.101
C3 C1 C5 118.843 C3 C1 C6 118.843
C4 C2 H7 118.843 C4 C2 H8 118.843
C5 C1 C6 116.762 C5 H8 H12 133.523
C6 H7 H11 133.523 H7 C6 H10 133.523
H8 C5 H9 133.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability