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

using model chemistry: MP4/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 MP4/TZVP
 hartrees
Energy at 0K-231.548498
Energy at 298.15K-231.552233
HF Energy-230.646729
Nuclear repulsion energy175.879795
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/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 3161 3044        
2 Ag 3146 3030        
3 Ag 1992 1918        
4 Ag 1505 1449        
5 Ag 1410 1357        
6 Ag 1168 1125        
7 Ag 1031 992        
8 Ag 835 804        
9 Ag 530 510        
10 Ag 220 212        
11 Au 3229 3109        
12 Au 1016 978        
13 Au 883 850        
14 Au 461 444        
15 Au 302 291        
16 Au 67 64        
17 Bg 3229 3109        
18 Bg 1018 981        
19 Bg 874 842        
20 Bg 658 634        
21 Bg 286 276        
22 Bu 3170 3052        
23 Bu 3147 3030        
24 Bu 2007 1932        
25 Bu 1480 1425        
26 Bu 1274 1227        
27 Bu 1087 1046        
28 Bu 835 804        
29 Bu 522 503        
30 Bu 117 112        

Unscaled Zero Point Vibrational Energy (zpe) 20329.1 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 19574.9 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/TZVP
ABC
1.04884 0.04529 0.04421

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.332 0.656 0.000
C2 0.332 -0.656 0.000
C3 0.332 1.798 0.000
C4 -0.332 -1.798 0.000
C5 1.009 2.924 0.000
C6 -1.009 -2.924 0.000
H7 -1.420 0.668 0.000
H8 1.420 -0.668 0.000
H9 1.295 3.408 0.928
H10 1.295 3.408 -0.928
H11 -1.295 -3.408 0.928
H12 -1.295 -3.408 -0.928

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47081.32062.45412.63433.64331.08802.19593.32923.32924.27914.2791
C21.47082.45411.32063.64332.63432.19591.08804.27914.27913.32923.3292
C31.32062.45413.65651.31384.90832.08452.69522.09372.09375.53305.5330
C42.45411.32063.65654.90831.31382.69522.08455.53305.53302.09372.0937
C52.63433.64331.31384.90836.18583.31493.61491.08561.08566.80196.8019
C63.64332.63434.90831.31386.18583.61493.31496.80196.80191.08561.0856
H71.08802.19592.08452.69523.31493.61493.13823.96773.96774.18254.1825
H82.19591.08802.69522.08453.61493.31493.13824.18254.18253.96773.9677
H93.32924.27912.09375.53301.08566.80193.96774.18251.85677.29237.5249
H103.32924.27912.09375.53301.08566.80193.96774.18251.85677.52497.2923
H114.27913.32925.53302.09376.80191.08564.18253.96777.29237.52491.8567
H124.27913.32925.53302.09376.80191.08564.18253.96777.52497.29231.8567

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 122.998 C1 C2 H8 117.445
C1 C3 C5 179.136 C2 C1 C3 122.998
C2 C1 H7 117.445 C2 C4 C6 179.136
C3 C1 H7 119.557 C3 C5 H9 121.223
C3 C5 H10 121.223 C4 C2 H8 119.557
C4 C6 H11 121.223 C4 C6 H12 121.223
H9 C5 H10 117.551 H11 C6 H12 117.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability