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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-231.459213
Energy at 298.15K-231.463038
HF Energy-230.648122
Nuclear repulsion energy176.613256
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/TZVP
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 3193 3027 0.00      
2 Ag 3177 3011 0.00      
3 Ag 2022 1917 0.00      
4 Ag 1515 1436 0.00      
5 Ag 1416 1342 0.00      
6 Ag 1182 1121 0.00      
7 Ag 1044 990 0.00      
8 Ag 850 806 0.00      
9 Ag 541 512 0.00      
10 Ag 224 213 0.00      
11 Au 3264 3094 1.72      
12 Au 1018 965 1.42      
13 Au 899 852 35.61      
14 Au 469 444 6.46      
15 Au 311 294 14.79      
16 Au 68 64 0.30      
17 Bg 3264 3094 0.00      
18 Bg 1021 967 0.00      
19 Bg 887 841 0.00      
20 Bg 673 638 0.00      
21 Bg 296 281 0.00      
22 Bu 3202 3035 3.75      
23 Bu 3177 3012 10.84      
24 Bu 2039 1933 51.41      
25 Bu 1484 1407 0.23      
26 Bu 1279 1213 9.04      
27 Bu 1104 1047 1.86      
28 Bu 850 805 111.41      
29 Bu 537 509 26.29      
30 Bu 119 113 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 20561.6 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 19490.4 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/TZVP
ABC
1.05649 0.04570 0.04461

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.331 0.653 0.000
C2 0.331 -0.653 0.000
C3 0.331 1.789 0.000
C4 -0.331 -1.789 0.000
C5 1.003 2.911 0.000
C6 -1.003 -2.911 0.000
H7 -1.417 0.667 0.000
H8 1.417 -0.667 0.000
H9 1.288 3.394 0.927
H10 1.288 3.394 -0.927
H11 -1.288 -3.394 0.927
H12 -1.288 -3.394 -0.927

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46341.31542.44202.62293.62661.08582.18973.31563.31564.26014.2601
C21.46342.44201.31543.62662.62292.18971.08584.26014.26013.31563.3156
C31.31542.44203.63951.30764.88612.07702.68552.08552.08555.50865.5086
C42.44201.31543.63954.88611.30762.68552.07705.50865.50862.08552.0855
C52.62293.62661.30764.88616.15813.30013.60181.08341.08346.77196.7719
C63.62662.62294.88611.30766.15813.60183.30016.77196.77191.08341.0834
H71.08582.18972.07702.68553.30013.60183.13143.95083.95084.16724.1672
H82.18971.08582.68552.07703.60183.30013.13144.16724.16723.95083.9508
H93.31564.26012.08555.50861.08346.77193.95084.16721.85447.25987.4929
H103.31564.26012.08555.50861.08346.77193.95084.16721.85447.49297.2598
H114.26013.31565.50862.08556.77191.08344.16723.95087.25987.49291.8544
H124.26013.31565.50862.08556.77191.08344.16723.95087.49297.25981.8544

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 122.909 C1 C2 H8 117.635
C1 C3 C5 179.282 C2 C1 C3 122.909
C2 C1 H7 117.635 C2 C4 C6 179.282
C3 C1 H7 119.456 C3 C5 H9 121.148
C3 C5 H10 121.148 C4 C2 H8 119.456
C4 C6 H11 121.148 C4 C6 H12 121.148
H9 C5 H10 117.702 H11 C6 H12 117.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability