return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H6 (Hexa-1,5-diene-3-yne)

using model chemistry: MP3=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-231.457608
Energy at 298.15K-231.461423
HF Energy-230.607269
Nuclear repulsion energy175.108539
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 MP3=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3362 3362 0.00      
2 Ag 3272 3272 0.00      
3 Ag 3260 3260 0.00      
4 Ag 2401 2401 0.00      
5 Ag 1727 1727 0.00      
6 Ag 1494 1494 0.00      
7 Ag 1366 1366 0.00      
8 Ag 1121 1121 0.00      
9 Ag 739 739 0.00      
10 Ag 545 545 0.00      
11 Ag 232 232 0.00      
12 Au 1027 1027 42.65      
13 Au 942 942 64.31      
14 Au 679 679 6.27      
15 Au 186 186 5.04      
16 Au 38 38 0.05      
17 Bg 1025 1025 0.00      
18 Bg 943 943 0.00      
19 Bg 666 666 0.00      
20 Bg 320 320 0.00      
21 Bu 3362 3362 21.44      
22 Bu 3271 3271 21.15      
23 Bu 3260 3260 8.84      
24 Bu 1750 1750 22.47      
25 Bu 1513 1513 4.94      
26 Bu 1363 1363 6.80      
27 Bu 1244 1244 16.44      
28 Bu 1043 1043 0.04      
29 Bu 537 537 8.01      
30 Bu 114 114 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 21401.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21401.5 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 MP3=FULL/6-31G**
ABC
0.86125 0.04556 0.04327

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.606 0.000
C2 0.000 -0.606 0.000
C3 0.000 2.037 0.000
C4 0.000 -2.037 0.000
C5 1.118 2.773 0.000
C6 -1.118 -2.773 0.000
H7 -0.966 2.522 0.000
H8 0.966 -2.522 0.000
H9 2.095 2.317 0.000
H10 1.071 3.850 0.000
H11 -2.095 -2.317 0.000
H12 -1.071 -3.850 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21101.43162.64262.43933.55912.14673.27382.70543.41713.59604.5829
C21.21102.64261.43163.55912.43933.27382.14673.59604.58292.70543.4171
C31.43162.64264.07421.33884.93871.08134.66082.11392.10614.83205.9842
C42.64261.43164.07424.93871.33884.66081.08134.83205.98422.11392.1061
C52.43933.55911.33884.93875.98062.09955.29801.07841.07816.01986.9762
C63.55912.43934.93871.33885.98065.29802.09956.01986.97621.07841.0781
H72.14673.27381.08134.66082.09955.29805.40243.06842.43204.96946.3737
H83.27382.14674.66081.08135.29802.09955.40244.96946.37373.06842.4320
H92.70543.59602.11394.83201.07846.01983.06844.96941.84396.24776.9328
H103.41714.58292.10615.98421.07816.97622.43206.37371.84396.93287.9933
H113.59602.70544.83202.11396.01981.07844.96943.06846.24776.93281.8439
H124.58293.41715.98422.10616.97621.07816.37372.43206.93287.99331.8439

picture of Hexa-1,5-diene-3-yne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 123.364
C1 C3 H7 116.670 C2 C1 C3 180.000
C2 C4 C6 123.364 C2 C4 H8 116.670
C3 C5 H9 121.600 C3 C5 H10 120.863
C4 C6 H11 121.600 C4 C6 H12 120.863
C5 C3 H7 119.967 C6 C4 H8 119.967
H9 C5 H10 117.538 H11 C6 H12 117.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability