return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULLultrafine/daug-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 B2PLYP=FULLultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-231.894780
Energy at 298.15K 
HF Energy-231.613849
Nuclear repulsion energy207.825699
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 B2PLYP=FULLultrafine/daug-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 3233 3233 8.77 328.51 0.03 0.06
2 A1 3130 3130 29.60 171.28 0.11 0.19
3 A1 1602 1602 0.12 62.92 0.01 0.02
4 A1 1170 1170 4.08 34.19 0.09 0.17
5 A1 1029 1029 1.98 7.56 0.56 0.72
6 A1 948 948 5.55 14.18 0.20 0.34
7 A1 857 857 0.73 4.22 0.48 0.65
8 A1 805 805 79.39 4.04 0.02 0.04
9 A1 385 385 5.20 4.26 0.53 0.69
10 A2 3199 3199 0.00 175.48 0.75 0.86
11 A2 1287 1287 0.00 6.27 0.75 0.86
12 A2 1197 1197 0.00 9.15 0.75 0.86
13 A2 956 956 0.00 0.77 0.75 0.86
14 A2 909 909 0.00 1.60 0.75 0.86
15 A2 783 783 0.00 1.98 0.75 0.86
16 A2 331 331 0.00 0.80 0.75 0.86
17 B1 3230 3230 38.36 70.25 0.75 0.86
18 B1 1576 1576 14.72 0.07 0.75 0.86
19 B1 1206 1206 2.90 1.32 0.75 0.86
20 B1 1101 1101 0.32 0.00 0.75 0.86
21 B1 1004 1004 0.39 6.58 0.75 0.86
22 B1 710 710 47.53 0.93 0.75 0.86
23 B2 3201 3201 25.63 48.07 0.75 0.86
24 B2 3123 3123 15.95 121.75 0.75 0.86
25 B2 1296 1296 35.91 0.00 0.75 0.86
26 B2 1151 1151 7.13 0.15 0.75 0.86
27 B2 941 941 6.20 0.77 0.75 0.86
28 B2 924 924 2.71 0.84 0.75 0.86
29 B2 829 829 10.97 0.16 0.75 0.86
30 B2 483 483 4.57 2.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21298.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21298.8 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 B2PLYP=FULLultrafine/daug-cc-pVDZ
ABC
0.25833 0.14839 0.11549

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.791 0.527
C2 0.000 -0.791 0.527
H3 0.000 1.358 1.464
H4 0.000 -1.358 1.464
C5 -1.305 0.675 -0.266
C6 1.305 0.675 -0.266
C7 1.305 -0.675 -0.266
C8 -1.305 -0.675 -0.266
H9 -1.953 1.426 -0.716
H10 1.953 1.426 -0.716
H11 1.953 -1.426 -0.716
H12 -1.953 -1.426 -0.716

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.58201.09552.34431.53151.53152.11712.11712.40072.40073.20533.2053
C21.58202.34431.09552.11712.11711.53151.53153.20533.20532.40072.4007
H31.09552.34432.71522.27222.27222.97152.97152.92842.92844.03944.0394
H42.34431.09552.71522.97152.97152.27222.27224.03944.03942.92842.9284
C51.53152.11712.27222.97152.61052.93921.35061.08903.37413.90322.2442
C61.53152.11712.27222.97152.61051.35062.93923.37411.08902.24423.9032
C72.11711.53152.97152.27222.93921.35062.61053.90322.24421.08903.3741
C82.11711.53152.97152.27221.35062.93922.61052.24423.90323.37411.0890
H92.40073.20532.92844.03941.08903.37413.90322.24423.90674.83652.8512
H102.40073.20532.92844.03943.37411.08902.24423.90323.90672.85124.8365
H113.20532.40074.03942.92843.90322.24421.08903.37414.83652.85123.9067
H123.20532.40074.03942.92842.24423.90323.37411.08902.85124.83653.9067

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 121.146 C1 C2 H7 85.667
C1 C2 H8 85.667 C1 C5 H8 94.333
C1 C5 H9 132.010 C1 C6 H7 94.333
C1 C6 H10 132.010 C2 C1 C3 121.146
C2 C1 C5 85.667 C2 C1 C6 85.667
C2 H7 C6 94.333 C2 H7 H11 132.010
C2 H8 C5 94.333 C2 H8 H12 132.010
C3 C1 C5 118.820 C3 C1 C6 118.820
C4 C2 H7 118.820 C4 C2 H8 118.820
C5 C1 C6 116.922 C5 H8 H12 133.551
C6 H7 H11 133.551 H7 C6 H10 133.551
H8 C5 H9 133.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability