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

using model chemistry: MP4/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 MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-231.491306
Energy at 298.15K-231.494999
HF Energy-230.596255
Nuclear repulsion energy173.892255
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 MP4/6-31G*
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 3157 3084        
2 Ag 3148 3076        
3 Ag 2016 1969        
4 Ag 1521 1486        
5 Ag 1426 1393        
6 Ag 1186 1158        
7 Ag 1048 1024        
8 Ag 869 849        
9 Ag 531 519        
10 Ag 225 220        
11 Au 3226 3151        
12 Au 1036 1012        
13 Au 911 890        
14 Au 481 470        
15 Au 330 322        
16 Au 75 74        
17 Bg 3226 3151        
18 Bg 1038 1014        
19 Bg 883 863        
20 Bg 664 649        
21 Bg 307 300        
22 Bu 3164 3091        
23 Bu 3149 3076        
24 Bu 2030 1983        
25 Bu 1490 1456        
26 Bu 1292 1262        
27 Bu 1101 1076        
28 Bu 870 850        
29 Bu 529 517        
30 Bu 118 116        

Unscaled Zero Point Vibrational Energy (zpe) 20521.8 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 20047.8 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 MP4/aug-cc-pVDZ
ABC
1.03678 0.04421 0.04318

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.335 0.660 0.000
C2 0.335 -0.660 0.000
C3 0.335 1.817 0.000
C4 -0.335 -1.817 0.000
C5 1.009 2.965 0.000
C6 -1.009 -2.965 0.000
H7 -1.434 0.674 0.000
H8 1.434 -0.674 0.000
H9 1.295 3.454 0.940
H10 1.295 3.454 -0.940
H11 -1.295 -3.454 0.940
H12 -1.295 -3.454 -0.940

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.48011.33742.47662.66883.68711.09882.21573.36853.36854.32724.3272
C21.48012.47661.33743.68712.66882.21571.09884.32724.32723.36853.3685
C31.33742.47663.69511.33144.96762.10632.72252.11732.11735.59645.5964
C42.47661.33743.69514.96761.33142.72252.10635.59645.59642.11732.1173
C52.66883.68711.33144.96766.26453.34933.66411.09711.09716.88446.8844
C63.68712.66884.96761.33146.26453.66413.34936.88446.88441.09711.0971
H71.09882.21572.10632.72253.34933.66413.16914.00704.00704.23574.2357
H82.21571.09882.72252.10633.66413.34933.16914.23574.23574.00704.0070
H93.36854.32722.11735.59641.09716.88444.00704.23571.87977.37697.6126
H103.36854.32722.11735.59641.09716.88444.00704.23571.87977.61267.3769
H114.32723.36855.59642.11736.88441.09714.23574.00707.37697.61261.8797
H124.32723.36855.59642.11736.88441.09714.23574.00707.61267.37691.8797

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 122.968 C1 C2 H8 117.686
C1 C3 C5 179.699 C2 C1 C3 122.968
C2 C1 H7 117.686 C2 C4 C6 179.699
C3 C1 H7 119.346 C3 C5 H9 121.051
C3 C5 H10 121.051 C4 C2 H8 119.346
C4 C6 H11 121.051 C4 C6 H12 121.051
H9 C5 H10 117.898 H11 C6 H12 117.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability