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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-36.285569
Energy at 298.15K-36.289714
HF Energy-36.285569
Nuclear repulsion energy88.334309
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 HF/CEP-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 3448 3096 0.00      
2 Ag 3384 3039 0.00      
3 Ag 3351 3010 0.00      
4 Ag 2530 2272 0.00      
5 Ag 1819 1633 0.00      
6 Ag 1548 1391 0.00      
7 Ag 1419 1275 0.00      
8 Ag 1161 1042 0.00      
9 Ag 757 680 0.00      
10 Ag 542 486 0.00      
11 Ag 203 182 0.00      
12 Au 1124 1009 47.65      
13 Au 1090 979 118.33      
14 Au 762 684 15.87      
15 Au 201 181 9.65      
16 Au 44 39 0.22      
17 Bg 1122 1008 0.00      
18 Bg 1091 980 0.00      
19 Bg 833 748 0.00      
20 Bg 464 417 0.00      
21 Bu 3448 3096 46.15      
22 Bu 3384 3039 43.50      
23 Bu 3352 3010 25.90      
24 Bu 1841 1653 28.41      
25 Bu 1564 1404 6.44      
26 Bu 1416 1272 12.08      
27 Bu 1277 1146 30.13      
28 Bu 1072 963 0.06      
29 Bu 558 501 12.33      
30 Bu 110 99 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 22456.4 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 20165.9 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 HF/CEP-31G*
ABC
0.84464 0.04449 0.04226

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.615 0.000
C2 0.000 -0.615 0.000
C3 0.000 2.070 0.000
C4 0.000 -2.070 0.000
C5 1.130 2.803 0.000
C6 -1.130 -2.803 0.000
H7 -0.966 2.555 0.000
H8 0.966 -2.555 0.000
H9 2.107 2.341 0.000
H10 1.083 3.883 0.000
H11 -2.107 -2.341 0.000
H12 -1.083 -3.883 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22911.45552.68462.46273.59922.16763.31352.72413.44343.63004.6264
C21.22912.68461.45553.59922.46273.31352.16763.63004.62642.72413.4434
C31.45552.68464.14011.34685.00201.08094.72482.12432.11204.88876.0510
C42.68461.45554.14015.00201.34684.72481.08094.88876.05102.12432.1120
C52.46273.59921.34685.00206.04392.11075.36011.08021.08176.07787.0427
C63.59922.46275.00201.34686.04395.36012.11076.07787.04271.08021.0817
H72.16763.31351.08094.72482.11075.36015.46303.08032.44185.02756.4393
H83.31352.16764.72481.08095.36012.11075.46305.02756.43933.08032.4418
H92.72413.63002.12434.88871.08026.07783.08035.02751.85106.29966.9944
H103.44344.62642.11206.05101.08177.04272.44186.43931.85106.99448.0629
H113.63002.72414.88872.12436.07781.08025.02753.08036.29966.99441.8510
H124.62643.44346.05102.11207.04271.08176.43932.44186.99448.06291.8510

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 122.956
C1 C3 H7 116.655 C2 C1 C3 180.000
C2 C4 C6 122.956 C2 C4 H8 116.655
C3 C5 H9 121.767 C3 C5 H10 120.450
C4 C6 H11 121.767 C4 C6 H12 120.450
C5 C3 H7 120.389 C6 C4 H8 120.389
H9 C5 H10 117.783 H11 C6 H12 117.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.801      
2 C -0.801      
3 C 0.626      
4 C 0.626      
5 C -0.531      
6 C -0.531      
7 H 0.277      
8 H 0.277      
9 H 0.242      
10 H 0.187      
11 H 0.242      
12 H 0.187      


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
Primitive
 xyz
x -32.405 1.004 0.000
y 1.004 -26.269 0.000
z 0.000 0.000 -40.679
Traceless
 xyz
x 1.069 1.004 0.000
y 1.004 10.273 0.000
z 0.000 0.000 -11.342
Polar
3z2-r2-22.684
x2-y2-6.136
xy1.004
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.619 4.817 0.000
y 4.817 17.659 0.000
z 0.000 0.000 4.012


<r2> (average value of r2) Å2
<r2> 198.313
(<r2>)1/2 14.082