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

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-231.493075
Energy at 298.15K-231.497071
HF Energy-230.600470
Nuclear repulsion energy176.606231
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(2df,p)
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 3210 3031 0.00      
2 Ag 3190 3013 0.00      
3 Ag 2042 1929 0.00      
4 Ag 1508 1424 0.00      
5 Ag 1407 1329 0.00      
6 Ag 1182 1116 0.00      
7 Ag 1040 982 0.00      
8 Ag 884 835 0.00      
9 Ag 541 511 0.00      
10 Ag 231 218 0.00      
11 Au 3278 3096 0.52      
12 Au 1020 964 0.54      
13 Au 939 887 29.71      
14 Au 495 467 3.56      
15 Au 357 338 7.95      
16 Au 82 77 0.42      
17 Bg 3278 3096 0.00      
18 Bg 1022 965 0.00      
19 Bg 902 852 0.00      
20 Bg 685 647 0.00      
21 Bg 325 307 0.00      
22 Bu 3217 3039 4.12      
23 Bu 3190 3013 3.65      
24 Bu 2059 1945 36.00      
25 Bu 1470 1389 0.60      
26 Bu 1268 1198 7.63      
27 Bu 1106 1045 1.09      
28 Bu 885 835 91.39      
29 Bu 545 515 21.40      
30 Bu 120 113 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 20739.7 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 19588.6 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(2df,p)
ABC
1.06447 0.04563 0.04456

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.330 0.653 0.000
C2 0.330 -0.653 0.000
C3 0.330 1.791 0.000
C4 -0.330 -1.791 0.000
C5 0.993 2.916 0.000
C6 -0.993 -2.916 0.000
H7 -1.416 0.666 0.000
H8 1.416 -0.666 0.000
H9 1.278 3.402 0.927
H10 1.278 3.402 -0.927
H11 -1.278 -3.402 0.927
H12 -1.278 -3.402 -0.927

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46351.31492.44402.62123.63041.08612.18793.31653.31654.26634.2663
C21.46352.44401.31493.63042.62122.18791.08614.26634.26633.31653.3165
C31.31492.44403.64171.30644.88922.07662.68592.08662.08665.51425.5142
C42.44401.31493.64174.88921.30642.68592.07665.51425.51422.08662.0866
C52.62123.63041.30644.88926.16113.29663.60661.08431.08436.77746.7774
C63.63042.62124.88921.30646.16113.60663.29666.77746.77741.08431.0843
H71.08612.18792.07662.68593.29663.60663.12903.95003.95004.17404.1740
H82.18791.08612.68592.07663.60663.29663.12904.17404.17403.95003.9500
H93.31654.26632.08665.51421.08436.77743.95004.17401.85317.26817.5006
H103.31654.26632.08665.51421.08436.77743.95004.17401.85317.50067.2681
H114.26633.31655.51422.08666.77741.08434.17403.95007.26817.50061.8531
H124.26633.31655.51422.08666.77741.08434.17403.95007.50067.26811.8531

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 123.106 C1 C2 H8 117.450
C1 C3 C5 179.577 C2 C1 C3 123.106
C2 C1 H7 117.450 C2 C4 C6 179.577
C3 C1 H7 119.444 C3 C5 H9 121.294
C3 C5 H10 121.294 C4 C2 H8 119.444
C4 C6 H11 121.294 C4 C6 H12 121.294
H9 C5 H10 117.412 H11 C6 H12 117.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability