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-231.077627
Energy at 298.15K 
HF Energy-230.513360
Nuclear repulsion energy173.040831
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
4/u)
Dep P Dep U
1 Ag 3260 3260 0.00      
2 Ag 3178 3178 0.00      
3 Ag 3165 3165 0.00      
4 Ag 2351 2351 0.00      
5 Ag 1687 1687 0.00      
6 Ag 1496 1496 0.00      
7 Ag 1370 1370 0.00      
8 Ag 1132 1132 0.00      
9 Ag 726 726 0.00      
10 Ag 545 545 0.00      
11 Ag 240 240 0.00      
12 Au 1011 1011 49.74      
13 Au 929 929 90.08      
14 Au 673 673 5.48      
15 Au 160 160 5.85      
16 Au 28 28 0.02      
17 Bg 1009 1009 0.00      
18 Bg 930 930 0.00      
19 Bg 631 631 0.00      
20 Bg 233i 233i 0.00      
21 Bu 3260 3260 40.42      
22 Bu 3177 3177 21.01      
23 Bu 3165 3165 18.01      
24 Bu 1707 1707 23.54      
25 Bu 1511 1511 3.26      
26 Bu 1370 1370 2.84      
27 Bu 1226 1226 20.21      
28 Bu 1036 1036 0.22      
29 Bu 540 540 5.03      
30 Bu 110 110 2.13      

Unscaled Zero Point Vibrational Energy (zpe) 20694.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20694.3 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
0.85479 0.04432 0.04213

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 0.612 0.000
C2 0.000 -0.612 0.000
C3 0.000 2.060 0.000
C4 0.000 -2.060 0.000
C5 1.121 2.819 0.000
C6 -1.121 -2.819 0.000
H7 -0.979 2.545 0.000
H8 0.979 -2.545 0.000
H9 2.118 2.379 0.000
H10 1.064 3.906 0.000
H11 -2.118 -2.379 0.000
H12 -1.064 -3.906 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22421.44752.67162.47493.60922.16653.30522.75853.46163.66524.6418
C21.22422.67161.44753.60922.47493.30522.16653.66524.64182.75853.4616
C31.44752.67164.11911.35365.00531.09244.70732.14232.13114.91816.0598
C42.67161.44754.11915.00531.35364.70731.09244.91816.05982.14232.1311
C52.47493.60921.35365.00536.06662.11725.36541.09011.08916.12437.0708
C63.60922.47495.00531.35366.06665.36542.11726.12437.07081.09011.0891
H72.16653.30521.09244.70732.11725.36545.45313.10152.45455.05406.4517
H83.30522.16654.70731.09245.36542.11725.45315.05406.45173.10152.4545
H92.75853.66522.14234.91811.09016.12433.10155.05401.85606.37097.0448
H103.46164.64182.13116.05981.08917.07082.45456.45171.85607.04488.0969
H113.66522.75854.91812.14236.12431.09015.05403.10156.37097.04481.8560
H124.64183.46166.05982.13117.07081.08916.45172.45457.04488.09691.8560

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 124.110
C1 C3 H7 116.376 C2 C1 C3 180.000
C2 C4 C6 124.110 C2 C4 H8 116.376
C3 C5 H9 122.106 C3 C5 H10 121.103
C4 C6 H11 122.106 C4 C6 H12 121.103
C5 C3 H7 119.514 C6 C4 H8 119.514
H9 C5 H10 116.790 H11 C6 H12 116.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability