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All results from a given calculation for C6H6 (1,2,4,5-Hexatetraene)

using model chemistry: MP2/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-231.400958
Energy at 298.15K-231.404764
HF Energy-230.598138
Nuclear repulsion energy174.603586
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/aug-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 Ag 3186 3055 0.00      
2 Ag 3159 3030 0.00      
3 Ag 1997 1915 0.00      
4 Ag 1487 1426 0.00      
5 Ag 1389 1332 0.00      
6 Ag 1169 1121 0.00      
7 Ag 1029 986 0.00      
8 Ag 871 835 0.00      
9 Ag 525 503 0.00      
10 Ag 217 209 0.00      
11 Au 3256 3122 1.10      
12 Au 993 952 4.05      
13 Au 911 874 34.10      
14 Au 485 465 4.40      
15 Au 323 310 12.11      
16 Au 80 77 0.91      
17 Bg 3256 3122 0.00      
18 Bg 994 953 0.00      
19 Bg 874 838 0.00      
20 Bg 662 635 0.00      
21 Bg 275 263 0.00      
22 Bu 3195 3064 2.46      
23 Bu 3160 3030 11.33      
24 Bu 2013 1930 48.94      
25 Bu 1448 1389 0.22      
26 Bu 1247 1196 11.70      
27 Bu 1086 1042 2.29      
28 Bu 872 836 94.32      
29 Bu 519 497 29.98      
30 Bu 116 111 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 20395.8 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 19559.6 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/aug-cc-pVDZ
ABC
1.04145 0.04462 0.04357

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.335 0.656 0.000
C2 0.335 -0.656 0.000
C3 0.335 1.808 0.000
C4 -0.335 -1.808 0.000
C5 1.007 2.951 0.000
C6 -1.007 -2.951 0.000
H7 -1.431 0.672 0.000
H8 1.431 -0.672 0.000
H9 1.292 3.437 0.938
H10 1.292 3.437 -0.938
H11 -1.292 -3.437 0.938
H12 -1.292 -3.437 -0.938

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47241.33292.46412.65853.66881.09622.20923.35553.35554.30624.3062
C21.47242.46411.33293.66882.65852.20921.09624.30624.30623.35553.3555
C31.33292.46413.67811.32574.94482.09932.71212.10902.10905.57095.5709
C42.46411.33293.67814.94481.32572.71212.09935.57095.57092.10902.1090
C52.65853.66881.32574.94486.23603.33673.64811.09431.09436.85316.8531
C63.66882.65854.94481.32576.23603.64813.33676.85316.85311.09431.0943
H71.09622.20922.09932.71213.33673.64813.16173.99183.99184.21704.2170
H82.20921.09622.71212.09933.64813.33673.16174.21704.21703.99183.9918
H93.35554.30622.10905.57091.09436.85313.99184.21701.87657.34287.5788
H103.35554.30622.10905.57091.09436.85313.99184.21701.87657.57887.3428
H114.30623.35555.57092.10906.85311.09434.21703.99187.34287.57881.8765
H124.30623.35555.57092.10906.85311.09434.21703.99187.57887.34281.8765

picture of 1,2,4,5-Hexatetraene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 122.822 C1 C2 H8 117.906
C1 C3 C5 179.675 C2 C1 C3 122.822
C2 C1 H7 117.906 C2 C4 C6 179.675
C3 C1 H7 119.272 C3 C5 H9 120.971
C3 C5 H10 120.971 C4 C2 H8 119.272
C4 C6 H11 120.971 C4 C6 H12 120.971
H9 C5 H10 118.058 H11 C6 H12 118.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability