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

using model chemistry: MP4/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-231.683821
Energy at 298.15K-231.687671
HF Energy-230.654392
Nuclear repulsion energy175.915397
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/cc-pVTZ
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 3156 3059        
2 Ag 3131 3034        
3 Ag 1989 1927        
4 Ag 1492 1446        
5 Ag 1395 1352        
6 Ag 1161 1125        
7 Ag 1025 993        
8 Ag 864 838        
9 Ag 525 508        
10 Ag 221 215        
11 Au 3213 3114        
12 Au 1009 978        
13 Au 912 884        
14 Au 481 466        
15 Au 332 321        
16 Au 77 75        
17 Bg 3213 3114        
18 Bg 1011 980        
19 Bg 880 853        
20 Bg 663 643        
21 Bg 301 292        
22 Bu 3164 3066        
23 Bu 3131 3035        
24 Bu 2003 1942        
25 Bu 1461 1416        
26 Bu 1252 1214        
27 Bu 1081 1048        
28 Bu 865 838        
29 Bu 522 506        
30 Bu 116 112        

Unscaled Zero Point Vibrational Energy (zpe) 20322.5 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 19696.6 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 MP4/cc-pVTZ
ABC
1.06168 0.04520 0.04415

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.330 0.656 0.000
C2 0.330 -0.656 0.000
C3 0.330 1.799 0.000
C4 -0.330 -1.799 0.000
C5 0.995 2.932 0.000
C6 -0.995 -2.932 0.000
H7 -1.416 0.671 0.000
H8 1.416 -0.671 0.000
H9 1.277 3.415 0.929
H10 1.277 3.415 -0.929
H11 -1.277 -3.415 0.929
H12 -1.277 -3.415 -0.929

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46841.32062.45462.63413.64871.08582.19323.32603.32604.28164.2816
C21.46842.45461.32063.64872.63412.19321.08584.28164.28163.32603.3260
C31.32062.45463.65811.31364.91322.07912.69802.09082.09085.53505.5350
C42.45461.32063.65814.91321.31362.69802.07915.53505.53502.09082.0908
C52.63413.64871.31364.91326.19253.30543.62751.08451.08456.80556.8055
C63.64872.63414.91321.31366.19253.62753.30546.80556.80551.08451.0845
H71.08582.19322.07912.69803.30543.62753.13403.95563.95564.19294.1929
H82.19321.08582.69802.07913.62753.30543.13404.19294.19293.95563.9556
H93.32604.28162.09085.53501.08456.80553.95564.19291.85807.29267.5255
H103.32604.28162.09085.53501.08456.80553.95564.19291.85807.52557.2926
H114.28163.32605.53502.09086.80551.08454.19293.95567.29267.52551.8580
H124.28163.32605.53502.09086.80551.08454.19293.95567.52557.29261.8580

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 123.224 C1 C2 H8 117.554
C1 C3 C5 179.637 C2 C1 C3 123.224
C2 C1 H7 117.554 C2 C4 C6 179.637
C3 C1 H7 119.222 C3 C5 H9 121.061
C3 C5 H10 121.061 C4 C2 H8 119.222
C4 C6 H11 121.061 C4 C6 H12 121.061
H9 C5 H10 117.878 H11 C6 H12 117.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability