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

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-231.498182
Energy at 298.15K 
HF Energy-230.632608
Nuclear repulsion energy208.799080
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 CCD/TZVP
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 3267 3097 7.38      
2 A1 3160 2996 31.98      
3 A1 1645 1559 0.10      
4 A1 1207 1144 3.66      
5 A1 1067 1012 1.43      
6 A1 972 921 11.53      
7 A1 883 837 0.26      
8 A1 832 789 76.66      
9 A1 403 382 4.62      
10 A2 3232 3064 0.00      
11 A2 1324 1256 0.00      
12 A2 1237 1173 0.00      
13 A2 978 927 0.00      
14 A2 900 853 0.00      
15 A2 791 750 0.00      
16 A2 313 297 0.00      
17 B1 3264 3095 35.58      
18 B1 1620 1536 9.69      
19 B1 1254 1189 3.72      
20 B1 1127 1068 0.10      
21 B1 1029 975 0.35      
22 B1 745 707 44.74      
23 B2 3234 3066 23.17      
24 B2 3151 2987 16.17      
25 B2 1328 1259 32.54      
26 B2 1193 1131 5.63      
27 B2 949 900 6.53      
28 B2 926 878 2.85      
29 B2 849 804 7.38      
30 B2 494 469 4.61      

Unscaled Zero Point Vibrational Energy (zpe) 21686.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 20558.7 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 CCD/TZVP
ABC
0.26156 0.14925 0.11642

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.786 0.525
C2 0.000 -0.786 0.525
H3 0.000 1.350 1.456
H4 0.000 -1.350 1.456
C5 -1.302 0.670 -0.266
C6 1.302 0.670 -0.266
C7 1.302 -0.670 -0.266
C8 -1.302 -0.670 -0.266
H9 -1.946 1.418 -0.707
H10 1.946 1.418 -0.707
H11 1.946 -1.418 -0.707
H12 -1.946 -1.418 -0.707

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57301.08832.33071.52811.52812.10752.10752.38842.38843.18833.1883
C21.57302.33071.08832.10752.10751.52811.52813.18833.18832.38842.3884
H31.08832.33072.70052.26362.26362.95642.95642.91052.91054.01624.0162
H42.33071.08832.70052.95642.95642.26362.26364.01624.01622.91052.9105
C51.52812.10752.26362.95642.60422.92831.33921.08143.36223.88622.2288
C61.52812.10752.26362.95642.60421.33922.92833.36221.08142.22883.8862
C72.10751.52812.95642.26362.92831.33922.60423.88622.22881.08143.3622
C82.10751.52812.95642.26361.33922.92832.60422.22883.88623.36221.0814
H92.38843.18832.91054.01621.08143.36223.88622.22883.89194.81562.8361
H102.38843.18832.91054.01623.36221.08142.22883.88623.89192.83614.8156
H113.18832.38844.01622.91053.88622.22881.08143.36224.81562.83613.8919
H123.18832.38844.01622.91052.22883.88623.36221.08142.83614.81563.8919

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 121.201 C1 C2 H7 85.613
C1 C2 H8 85.613 C1 C5 H8 94.387
C1 C5 H9 131.733 C1 C6 H7 94.387
C1 C6 H10 131.733 C2 C1 C3 121.201
C2 C1 C5 85.613 C2 C1 C6 85.613
C2 H7 C6 94.387 C2 H7 H11 131.733
C2 H8 C5 94.387 C2 H8 H12 131.733
C3 C1 C5 118.847 C3 C1 C6 118.847
C4 C2 H7 118.847 C4 C2 H8 118.847
C5 C1 C6 116.886 C5 H8 H12 133.797
C6 H7 H11 133.797 H7 C6 H10 133.797
H8 C5 H9 133.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability