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

using model chemistry: MP2=FULL/6-311+G(3df,2p)

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=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-231.716346
Energy at 298.15K-231.720309
HF Energy-230.651781
Nuclear repulsion energy176.960428
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/6-311+G(3df,2p)
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 3190 3007 0.00      
2 Ag 3168 2986 0.00      
3 Ag 2021 1905 0.00      
4 Ag 1501 1415 0.00      
5 Ag 1400 1319 0.00      
6 Ag 1177 1110 0.00      
7 Ag 1039 980 0.00      
8 Ag 878 828 0.00      
9 Ag 538 507 0.00      
10 Ag 227 214 0.00      
11 Au 3258 3071 0.13      
12 Au 1009 951 2.39      
13 Au 929 876 34.72      
14 Au 495 466 4.01      
15 Au 350 330 12.68      
16 Au 81 77 0.73      
17 Bg 3258 3071 0.00      
18 Bg 1010 953 0.00      
19 Bg 894 843 0.00      
20 Bg 682 643 0.00      
21 Bg 313 295 0.00      
22 Bu 3198 3015 2.62      
23 Bu 3168 2987 6.50      
24 Bu 2037 1920 68.48      
25 Bu 1462 1378 0.64      
26 Bu 1260 1187 10.17      
27 Bu 1098 1035 2.21      
28 Bu 879 828 98.16      
29 Bu 540 509 30.26      
30 Bu 120 113 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 20588.2 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 19408.5 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/6-311+G(3df,2p)
ABC
1.06771 0.04583 0.04475

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.329 0.650 0.000
C2 0.329 -0.650 0.000
C3 0.329 1.786 0.000
C4 -0.329 -1.786 0.000
C5 0.992 2.910 0.000
C6 -0.992 -2.910 0.000
H7 -1.413 0.668 0.000
H8 1.413 -0.668 0.000
H9 1.275 3.392 0.926
H10 1.275 3.392 -0.926
H11 -1.275 -3.392 0.926
H12 -1.275 -3.392 -0.926

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45781.31322.43632.61833.62181.08382.18473.30893.30894.25314.2531
C21.45782.43631.31323.62182.61832.18471.08384.25314.25313.30893.3089
C31.31322.43633.63251.30524.87902.07062.68242.08102.08105.49935.4993
C42.43631.31323.63254.87901.30522.68242.07065.49935.49932.08102.0810
C52.61833.62181.30524.87906.14993.28883.60271.08161.08166.76146.7614
C63.62182.61834.87901.30526.14993.60273.28886.76146.76141.08161.0816
H71.08382.18472.07062.68243.28883.60273.12573.93773.93774.16594.1659
H82.18471.08382.68242.07063.60273.28883.12574.16594.16593.93773.9377
H93.30894.25312.08105.49931.08166.76143.93774.16591.85277.24697.4800
H103.30894.25312.08105.49931.08166.76143.93774.16591.85277.48007.2469
H114.25313.30895.49932.08106.76141.08164.16593.93777.24697.48001.8527
H124.25313.30895.49932.08106.76141.08164.16593.93777.48007.24691.8527

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 123.014 C1 C2 H8 117.792
C1 C3 C5 179.595 C2 C1 C3 123.014
C2 C1 H7 117.792 C2 C4 C6 179.595
C3 C1 H7 119.194 C3 C5 H9 121.073
C3 C5 H10 121.073 C4 C2 H8 119.194
C4 C6 H11 121.073 C4 C6 H12 121.073
H9 C5 H10 117.853 H11 C6 H12 117.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability