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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-36.199135
Energy at 298.15K-36.203438
HF Energy-36.199135
Nuclear repulsion energy88.146520
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 3460 3119 0.00      
2 Ag 3386 3052 0.00      
3 Ag 3352 3022 0.00      
4 Ag 2496 2250 0.00      
5 Ag 1798 1621 0.00      
6 Ag 1569 1414 0.00      
7 Ag 1443 1300 0.00      
8 Ag 1192 1074 0.00      
9 Ag 766 691 0.00      
10 Ag 563 507 0.00      
11 Ag 224 202 0.00      
12 Au 1149 1036 0.00      
13 Au 1124 1013 212.53      
14 Au 783 706 19.08      
15 Au 205 184 11.64      
16 Au 46 41 0.20      
17 Bg 1154 1041 0.00      
18 Bg 1121 1011 0.00      
19 Bg 885 798 0.00      
20 Bg 495 446 0.00      
21 Bu 3460 3119 73.88      
22 Bu 3386 3052 54.96      
23 Bu 3352 3022 23.84      
24 Bu 1822 1643 40.89      
25 Bu 1584 1428 7.58      
26 Bu 1440 1298 4.22      
27 Bu 1295 1168 43.91      
28 Bu 1090 982 0.18      
29 Bu 574 517 8.80      
30 Bu 111 100 4.36      

Unscaled Zero Point Vibrational Energy (zpe) 22663.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 20428.9 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
0.84952 0.04415 0.04197

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 0.617 0.000
C2 0.000 -0.617 0.000
C3 0.000 2.073 0.000
C4 0.000 -2.073 0.000
C5 1.129 2.819 0.000
C6 -1.129 -2.819 0.000
H7 -0.966 2.552 0.000
H8 0.966 -2.552 0.000
H9 2.108 2.369 0.000
H10 1.074 3.896 0.000
H11 -2.108 -2.369 0.000
H12 -1.074 -3.896 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.23401.45562.68952.47403.61622.16283.31302.74103.45073.65504.6393
C21.23402.68951.45563.61622.47403.31302.16283.65504.63932.74103.4507
C31.45562.68954.14511.35295.01961.07874.72442.12902.11654.91626.0647
C42.68951.45564.14515.01961.35294.72441.07874.91626.06472.12902.1165
C52.47403.61621.35295.01966.07222.11185.37291.07801.07916.11437.0669
C63.61622.47405.01961.35296.07225.37292.11186.11437.06691.07801.0791
H72.16283.31301.07874.72442.11185.37295.45753.08012.44355.05146.4491
H83.31302.16284.72441.07875.37292.11185.45755.05146.44913.08012.4435
H92.74103.65502.12904.91621.07806.11433.08015.05141.84486.34217.0269
H103.45074.63932.11656.06471.07917.06692.44356.44911.84487.02698.0833
H113.65502.74104.91622.12906.11431.07805.05143.08016.34217.02691.8448
H124.63933.45076.06472.11657.06691.07916.44912.44357.02698.08331.8448

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 123.465
C1 C3 H7 116.387 C2 C1 C3 180.000
C2 C4 C6 123.465 C2 C4 H8 116.387
C3 C5 H9 121.870 C3 C5 H10 120.570
C4 C6 H11 121.870 C4 C6 H12 120.570
C5 C3 H7 120.148 C6 C4 H8 120.148
H9 C5 H10 117.560 H11 C6 H12 117.560
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 -1.172      
2 C -1.172      
3 C 1.001      
4 C 1.001      
5 C -0.475      
6 C -0.475      
7 H 0.256      
8 H 0.256      
9 H 0.224      
10 H 0.167      
11 H 0.224      
12 H 0.167      


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 -32.918 0.915 0.000
y 0.915 -27.002 0.000
z 0.000 0.000 -41.104
Traceless
 xyz
x 1.135 0.915 0.000
y 0.915 10.009 0.000
z 0.000 0.000 -11.144
Polar
3z2-r2-22.288
x2-y2-5.916
xy0.915
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.610 5.052 0.000
y 5.052 17.626 0.000
z 0.000 0.000 3.599


<r2> (average value of r2) Å2
<r2> 199.858
(<r2>)1/2 14.137