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

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-231.531841
Energy at 298.15K-231.535642
HF Energy-230.625445
Nuclear repulsion energy175.153212
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 MP4/6-311G**
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 3150 3055        
2 Ag 3131 3036        
3 Ag 1988 1928        
4 Ag 1492 1447        
5 Ag 1397 1354        
6 Ag 1163 1128        
7 Ag 1026 995        
8 Ag 849 824        
9 Ag 527 511        
10 Ag 221 215        
11 Au 3215 3117        
12 Au 1009 978        
13 Au 900 873        
14 Au 474 459        
15 Au 322 312        
16 Au 73 71        
17 Bg 3215 3117        
18 Bg 1011 980        
19 Bg 870 843        
20 Bg 657 637        
21 Bg 299 290        
22 Bu 3158 3062        
23 Bu 3131 3036        
24 Bu 2002 1941        
25 Bu 1462 1418        
26 Bu 1258 1220        
27 Bu 1077 1044        
28 Bu 850 825        
29 Bu 524 508        
30 Bu 117 113        

Unscaled Zero Point Vibrational Energy (zpe) 20283.1 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 19668.5 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 MP4/6-311G**
ABC
1.04930 0.04484 0.04379

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.332 0.659 0.000
C2 0.332 -0.659 0.000
C3 0.332 1.806 0.000
C4 -0.332 -1.806 0.000
C5 1.003 2.942 0.000
C6 -1.003 -2.942 0.000
H7 -1.424 0.672 0.000
H8 1.424 -0.672 0.000
H9 1.288 3.429 0.932
H10 1.288 3.429 -0.932
H11 -1.288 -3.429 0.932
H12 -1.288 -3.429 -0.932

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47591.32612.46492.64533.66301.09132.20333.34163.34164.29994.2999
C21.47592.46491.32613.66302.64532.20331.09134.29994.29993.34163.3416
C31.32612.46493.67291.31924.93262.09082.70742.10102.10105.55855.5585
C42.46491.32613.67294.93261.31922.70742.09085.55855.55852.10102.1010
C52.64533.66301.31924.93266.21713.32323.63851.08951.08956.83416.8341
C63.66302.64534.93261.31926.21713.63853.32326.83416.83411.08951.0895
H71.09132.20332.09082.70743.32323.63853.14853.97763.97764.20724.2072
H82.20331.09132.70742.09083.63853.32323.14854.20724.20723.97763.9776
H93.34164.29992.10105.55851.08956.83413.97764.20721.86477.32507.5586
H103.34164.29992.10105.55851.08956.83413.97764.20721.86477.55867.3250
H114.29993.34165.55852.10106.83411.08954.20723.97767.32507.55861.8647
H124.29993.34165.55852.10106.83411.08954.20723.97767.55867.32501.8647

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 123.122 C1 C2 H8 117.458
C1 C3 C5 179.567 C2 C1 C3 123.122
C2 C1 H7 117.458 C2 C4 C6 179.567
C3 C1 H7 119.420 C3 C5 H9 121.154
C3 C5 H10 121.154 C4 C2 H8 119.420
C4 C6 H11 121.154 C4 C6 H12 121.154
H9 C5 H10 117.692 H11 C6 H12 117.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability