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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-231.015125
Energy at 298.15K-231.018970
HF Energy-230.487833
Nuclear repulsion energy174.218239
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 MP2/6-31G
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 3158 3022 0.00      
2 Ag 3157 3020 0.00      
3 Ag 2006 1919 0.00      
4 Ag 1547 1480 0.00      
5 Ag 1449 1386 0.00      
6 Ag 1199 1147 0.00      
7 Ag 1043 998 0.00      
8 Ag 948 907 0.00      
9 Ag 532 509 0.00      
10 Ag 218 208 0.00      
11 Au 3237 3097 17.12      
12 Au 1082 1036 0.06      
13 Au 936 896 39.69      
14 Au 494 472 5.90      
15 Au 289 277 11.32      
16 Au 73 70 0.21      
17 Bg 3237 3097 0.00      
18 Bg 1085 1038 0.00      
19 Bg 921 881 0.00      
20 Bg 689 660 0.00      
21 Bg 274 262 0.00      
22 Bu 3164 3027 12.00      
23 Bu 3158 3021 20.13      
24 Bu 2020 1933 26.71      
25 Bu 1532 1466 0.67      
26 Bu 1329 1271 4.43      
27 Bu 1101 1054 2.08      
28 Bu 949 908 124.20      
29 Bu 525 502 20.54      
30 Bu 116 111 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 20732.2 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 19836.6 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 MP2/6-31G
ABC
1.05555 0.04422 0.04319

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.332 0.662 0.000
C2 0.332 -0.662 0.000
C3 0.332 1.819 0.000
C4 -0.332 -1.819 0.000
C5 0.998 2.966 0.000
C6 -0.998 -2.966 0.000
H7 -1.426 0.668 0.000
H8 1.426 -0.668 0.000
H9 1.288 3.465 0.926
H10 1.288 3.465 -0.926
H11 -1.288 -3.465 0.926
H12 -1.288 -3.465 -0.926

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.48161.33372.48142.65993.68871.09392.20453.36663.36664.33624.3362
C21.48162.48141.33373.68872.65992.20451.09394.33624.33623.36663.3666
C31.33372.48143.69821.32634.96622.10082.71732.11632.11635.60345.6034
C42.48141.33373.69824.96621.32632.71732.10085.60345.60342.11632.1163
C52.65993.68871.32634.96626.25853.33983.65911.09061.09066.88726.8872
C63.68872.65994.96621.32636.25853.65913.33986.88726.88721.09061.0906
H71.09392.20452.10082.71733.33983.65913.14924.00504.00504.23764.2376
H82.20451.09392.71732.10083.65913.33983.14924.23764.23764.00504.0050
H93.36664.33622.11635.60341.09066.88724.00504.23761.85117.39267.6208
H103.36664.33622.11635.60341.09066.88724.00504.23761.85117.62087.3926
H114.33623.36665.60342.11636.88721.09064.23764.00507.39267.62081.8511
H124.33623.36665.60342.11636.88721.09064.23764.00507.62087.39261.8511

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 123.536 C1 C2 H8 116.933
C1 C3 C5 179.678 C2 C1 C3 123.536
C2 C1 H7 116.933 C2 C4 C6 179.678
C3 C1 H7 119.531 C3 C5 H9 121.934
C3 C5 H10 121.934 C4 C2 H8 119.531
C4 C6 H11 121.934 C4 C6 H12 121.934
H9 C5 H10 116.133 H11 C6 H12 116.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability