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

using model chemistry: MP2=FULL/cc-pVDZ

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=FULL/cc-pVDZ
 hartrees
Energy at 0K-231.380908
Energy at 298.15K-231.384794
HF Energy-230.591538
Nuclear repulsion energy174.845758
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=FULL/cc-pVDZ
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 3201 3042 0.00      
2 Ag 3177 3019 0.00      
3 Ag 2027 1927 0.00      
4 Ag 1502 1427 0.00      
5 Ag 1396 1327 0.00      
6 Ag 1175 1117 0.00      
7 Ag 1040 988 0.00      
8 Ag 861 818 0.00      
9 Ag 533 507 0.00      
10 Ag 225 214 0.00      
11 Au 3275 3112 1.84      
12 Au 1009 959 0.67      
13 Au 918 872 33.65      
14 Au 483 459 4.47      
15 Au 337 320 8.09      
16 Au 79 75 0.46      
17 Bg 3275 3112 0.00      
18 Bg 1011 961 0.00      
19 Bg 875 831 0.00      
20 Bg 665 632 0.00      
21 Bg 310 295 0.00      
22 Bu 3208 3049 4.53      
23 Bu 3177 3019 8.94      
24 Bu 2043 1941 33.16      
25 Bu 1458 1386 0.41      
26 Bu 1252 1190 8.79      
27 Bu 1096 1042 1.16      
28 Bu 862 819 97.13      
29 Bu 530 504 21.36      
30 Bu 119 113 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 20556.8 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 19537.2 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=FULL/cc-pVDZ
ABC
1.04840 0.04471 0.04367

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.333 0.656 0.000
C2 0.333 -0.656 0.000
C3 0.333 1.808 0.000
C4 -0.333 -1.808 0.000
C5 0.999 2.949 0.000
C6 -0.999 -2.949 0.000
H7 -1.429 0.672 0.000
H8 1.429 -0.672 0.000
H9 1.284 3.437 0.938
H10 1.284 3.437 -0.938
H11 -1.284 -3.437 0.938
H12 -1.284 -3.437 -0.938

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47141.32992.46402.65143.66621.09652.20613.35073.35074.30614.3061
C21.47142.46401.32993.66622.65142.20611.09654.30614.30613.35073.3507
C31.32992.46403.67621.32154.93952.09612.71122.10722.10725.56815.5681
C42.46401.32993.67624.93951.32152.71122.09615.56815.56812.10722.1072
C52.65143.66621.32154.93956.22713.32893.64611.09521.09526.84666.8466
C63.66622.65144.93951.32156.22713.64613.32896.84666.84661.09521.0952
H71.09652.20612.09612.71123.32893.64613.15813.98593.98594.21754.2175
H82.20611.09652.71122.09613.64613.32893.15814.21754.21753.98593.9859
H93.35074.30612.10725.56811.09526.84663.98594.21751.87617.33867.5746
H103.35074.30612.10725.56811.09526.84663.98594.21751.87617.57467.3386
H114.30613.35075.56812.10726.84661.09524.21753.98597.33867.57461.8761
H124.30613.35075.56812.10726.84661.09524.21753.98597.57467.33861.8761

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 123.108 C1 C2 H8 117.694
C1 C3 C5 179.720 C2 C1 C3 123.108
C2 C1 H7 117.694 C2 C4 C6 179.720
C3 C1 H7 119.198 C3 C5 H9 121.076
C3 C5 H10 121.076 C4 C2 H8 119.198
C4 C6 H11 121.076 C4 C6 H12 121.076
H9 C5 H10 117.848 H11 C6 H12 117.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability