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

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-231.415190
Energy at 298.15K 
HF Energy-230.582042
Nuclear repulsion energy207.074589
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 3272 3101 5.97      
2 A1 3169 3004 32.81      
3 A1 1652 1566 0.08      
4 A1 1200 1137 3.83      
5 A1 1051 996 1.11      
6 A1 967 917 7.20      
7 A1 877 831 0.03      
8 A1 819 776 69.12      
9 A1 391 370 3.92      
10 A2 3238 3069 0.00      
11 A2 1322 1253 0.00      
12 A2 1208 1145 0.00      
13 A2 970 919 0.00      
14 A2 925 876 0.00      
15 A2 793 751 0.00      
16 A2 325 308 0.00      
17 B1 3269 3099 34.23      
18 B1 1625 1541 6.11      
19 B1 1242 1177 4.16      
20 B1 1110 1052 0.03      
21 B1 1017 964 0.27      
22 B1 724 686 38.76      
23 B2 3239 3070 20.24      
24 B2 3162 2997 15.68      
25 B2 1313 1245 33.84      
26 B2 1170 1109 4.66      
27 B2 957 907 5.90      
28 B2 931 883 3.12      
29 B2 845 801 8.67      
30 B2 496 471 5.24      

Unscaled Zero Point Vibrational Energy (zpe) 21637.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 20510.1 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
0.25686 0.14703 0.11469

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 0.000 0.791 0.530
C2 0.000 -0.791 0.530
H3 0.000 1.361 1.471
H4 0.000 -1.361 1.471
C5 -1.311 0.677 -0.268
C6 1.311 0.677 -0.268
C7 1.311 -0.677 -0.268
C8 -1.311 -0.677 -0.268
H9 -1.962 1.430 -0.721
H10 1.962 1.430 -0.721
H11 1.962 -1.430 -0.721
H12 -1.962 -1.430 -0.721

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.58281.10002.34931.53911.53912.12382.12382.41312.41313.21703.2170
C21.58282.34931.10002.12382.12381.53911.53913.21703.21702.41312.4131
H31.10002.34932.72252.28292.28292.98252.98252.94272.94274.05524.0552
H42.34931.10002.72252.98252.98252.28292.28294.05524.05522.94272.9427
C51.53912.12382.28292.98252.62182.95041.35311.09393.38903.91852.2508
C61.53912.12382.28292.98252.62181.35312.95043.38901.09392.25083.9185
C72.12381.53912.98252.28292.95041.35312.62183.91852.25081.09393.3890
C82.12381.53912.98252.28291.35312.95042.62182.25083.91853.38901.0939
H92.41313.21702.94274.05521.09393.38903.91852.25083.92424.85562.8596
H102.41313.21702.94274.05523.38901.09392.25083.91853.92422.85964.8556
H113.21702.41314.05522.94273.91852.25081.09393.38904.85562.85963.9242
H123.21702.41314.05522.94272.25083.91853.38901.09392.85964.85563.9242

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 121.203 C1 C2 H7 85.720
C1 C2 H8 85.720 C1 C5 H8 94.280
C1 C5 H9 132.099 C1 C6 H7 94.280
C1 C6 H10 132.099 C2 C1 C3 121.203
C2 C1 C5 85.720 C2 C1 C6 85.720
C2 H7 C6 94.280 C2 H7 H11 132.099
C2 H8 C5 94.280 C2 H8 H12 132.099
C3 C1 C5 118.833 C3 C1 C6 118.833
C4 C2 H7 118.833 C4 C2 H8 118.833
C5 C1 C6 116.802 C5 H8 H12 133.518
C6 H7 H11 133.518 H7 C6 H10 133.518
H8 C5 H9 133.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability