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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at G4
 hartrees
Energy at 0K-231.995696
Energy at 298.15K-231.987880
HF Energy-232.162599
Nuclear repulsion energy175.314598
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 B3LYP/6-31G(2df,p)
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 3251 3137 0.00      
2 Ag 3162 3051 0.00      
3 Ag 3139 3029 0.00      
4 Ag 2314 2233 0.00      
5 Ag 1650 1593 0.00      
6 Ag 1441 1390 0.00      
7 Ag 1324 1278 0.00      
8 Ag 1086 1048 0.00      
9 Ag 722 697 0.00      
10 Ag 531 513 0.00      
11 Ag 222 215 0.00      
12 Au 1019 984 27.07      
13 Au 944 911 58.97      
14 Au 692 668 6.92      
15 Au 183 177 4.66      
16 Au 52 51 0.08      
17 Bg 1014 979 0.00      
18 Bg 945 912 0.00      
19 Bg 718 693 0.00      
20 Bg 383 370 0.00      
21 Bu 3251 3137 14.17      
22 Bu 3161 3051 5.78      
23 Bu 3139 3029 23.72      
24 Bu 1682 1623 24.35      
25 Bu 1461 1410 4.85      
26 Bu 1321 1274 4.16      
27 Bu 1217 1174 17.90      
28 Bu 1018 982 0.68      
29 Bu 527 509 12.01      
30 Bu 110 106 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 20839.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20110.3 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 B3LYP/6-31G(2df,p)
ABC
0.88354 0.04562 0.04338

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

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 2.020 0.000
C4 0.000 -2.020 0.000
C5 1.100 2.785 0.000
C6 -1.100 -2.785 0.000
H7 -0.978 2.498 0.000
H8 0.978 -2.498 0.000
H9 2.094 2.352 0.000
H10 1.027 3.866 0.000
H11 -2.094 -2.352 0.000
H12 -1.027 -3.866 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21191.41402.62592.44043.56442.12983.25432.72603.41823.62384.5885
C21.21192.62591.41403.56442.44043.25432.12983.62384.58852.72603.4182
C31.41402.62594.03991.33944.92871.08884.62242.11982.11274.84725.9750
C42.62591.41404.03994.92871.33944.62241.08884.84725.97502.11982.1127
C52.44043.56441.33944.92875.98772.09785.28371.08401.08396.04816.9825
C63.56442.44044.92871.33945.98775.28372.09786.04816.98251.08401.0839
H72.12983.25431.08884.62242.09785.28375.36513.07552.42814.97616.3640
H83.25432.12984.62241.08885.28372.09785.36514.97616.36403.07552.4281
H92.72603.62382.11984.84721.08406.04813.07554.97611.85206.29746.9572
H103.41824.58852.11275.97501.08396.98252.42816.36401.85206.95728.0005
H113.62382.72604.84722.11986.04811.08404.97613.07556.29746.95721.8520
H124.58853.41825.97502.11276.98251.08396.36402.42816.95728.00051.8520

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 173.877 C1 C3 C5 124.407
C1 C3 H7 115.675 C2 C1 C3 173.877
C2 C4 C6 124.407 C2 C4 H8 115.675
C3 C5 H9 121.807 C3 C5 H10 121.017
C4 C6 H11 121.807 C4 C6 H12 121.017
C5 C3 H7 119.918 C6 C4 H8 119.918
H9 C5 H10 117.176 H11 C6 H12 117.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.068      
2 C 0.068      
3 C -0.131      
4 C -0.131      
5 C -0.293      
6 C -0.293      
7 H 0.116      
8 H 0.116      
9 H 0.119      
10 H 0.122      
11 H 0.119      
12 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 247.661
(<r2>)1/2 15.737