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

using model chemistry: MP2=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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-231.392640
Energy at 298.15K 
HF Energy-230.581433
Nuclear repulsion energy207.536461
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 MP2=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 3260 3098 6.53 298.69 0.03 0.06
2 A1 3165 3008 25.11 149.20 0.14 0.24
3 A1 1593 1514 0.13 14.94 0.03 0.05
4 A1 1174 1116 4.44 18.96 0.16 0.28
5 A1 1026 975 2.09 11.07 0.73 0.84
6 A1 966 918 3.22 12.32 0.27 0.43
7 A1 870 826 0.54 6.17 0.70 0.82
8 A1 813 773 68.90 4.70 0.15 0.27
9 A1 389 369 3.82 11.56 0.65 0.79
10 A2 3226 3066 0.00 168.43 0.75 0.86
11 A2 1299 1234 0.00 5.88 0.75 0.86
12 A2 1185 1126 0.00 10.56 0.75 0.86
13 A2 970 922 0.00 0.07 0.75 0.86
14 A2 909 864 0.00 0.05 0.75 0.86
15 A2 776 738 0.00 2.62 0.75 0.86
16 A2 319 303 0.00 2.23 0.75 0.86
17 B1 3257 3096 35.82 66.92 0.75 0.86
18 B1 1568 1490 6.20 1.91 0.75 0.86
19 B1 1214 1154 2.50 1.51 0.75 0.86
20 B1 1102 1047 0.17 0.45 0.75 0.86
21 B1 1015 964 0.02 8.81 0.75 0.86
22 B1 715 680 42.19 4.58 0.75 0.86
23 B2 3227 3067 19.16 44.87 0.75 0.86
24 B2 3158 3001 11.18 117.48 0.75 0.86
25 B2 1297 1233 33.55 0.02 0.75 0.86
26 B2 1146 1089 4.94 0.83 0.75 0.86
27 B2 941 894 6.40 0.06 0.75 0.86
28 B2 909 864 6.40 0.42 0.75 0.86
29 B2 831 790 7.29 1.69 0.75 0.86
30 B2 481 457 4.72 6.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21400.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 20338.7 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 MP2=FULL/cc-pVDZ
ABC
0.25606 0.14880 0.11558

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.791 0.529
C2 0.000 -0.791 0.529
H3 0.000 1.357 1.473
H4 0.000 -1.357 1.473
C5 -1.302 0.680 -0.267
C6 1.302 0.680 -0.267
C7 1.302 -0.680 -0.267
C8 -1.302 -0.680 -0.267
H9 -1.949 1.434 -0.725
H10 1.949 1.434 -0.725
H11 1.949 -1.434 -0.725
H12 -1.949 -1.434 -0.725

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.58291.10022.34641.53001.53002.11952.11952.40552.40553.21323.2132
C21.58292.34641.10022.11952.11951.53001.53003.21323.21322.40552.4055
H31.10022.34642.71332.27612.27612.97802.97802.93932.93934.05204.0520
H42.34641.10022.71332.97802.97802.27612.27614.05204.05202.93932.9393
C51.53002.11952.27612.97802.60342.93691.35921.09453.36863.90442.2572
C61.53002.11952.27612.97802.60341.35922.93693.36861.09452.25723.9044
C72.11951.53002.97802.27612.93691.35922.60343.90442.25721.09453.3686
C82.11951.53002.97802.27611.35922.93692.60342.25723.90443.36861.0945
H92.40553.21322.93934.05201.09453.36863.90442.25723.89854.83922.8670
H102.40553.21322.93934.05203.36861.09452.25723.90443.89852.86704.8392
H113.21322.40554.05202.93933.90442.25721.09453.36864.83922.86703.8985
H123.21322.40554.05202.93932.25723.90443.36861.09452.86704.83923.8985

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 120.912 C1 C2 H7 85.808
C1 C2 H8 85.808 C1 C5 H8 94.192
C1 C5 H9 132.148 C1 C6 H7 94.192
C1 C6 H10 132.148 C2 C1 C3 120.912
C2 C1 C5 85.808 C2 C1 C6 85.808
C2 H7 C6 94.192 C2 H7 H11 132.148
C2 H8 C5 94.192 C2 H8 H12 132.148
C3 C1 C5 118.946 C3 C1 C6 118.946
C4 C2 H7 118.946 C4 C2 H8 118.946
C5 C1 C6 116.601 C5 H8 H12 133.534
C6 H7 H11 133.534 H7 C6 H10 133.534
H8 C5 H9 133.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability