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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-230.554421
Energy at 298.15K-230.558185
HF Energy-230.554421
Nuclear repulsion energy174.127442
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 PBEPBE/3-21G
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 3191 3162 0.00      
2 Ag 3100 3072 0.00      
3 Ag 3072 3044 0.00      
4 Ag 2248 2228 0.00      
5 Ag 1593 1579 0.00      
6 Ag 1439 1426 0.00      
7 Ag 1318 1306 0.00      
8 Ag 1091 1081 0.00      
9 Ag 706 700 0.00      
10 Ag 519 514 0.00      
11 Ag 213 212 0.00      
12 Au 981 972 48.49      
13 Au 909 900 104.99      
14 Au 663 657 15.65      
15 Au 175 174 5.87      
16 Au 55 55 0.25      
17 Bg 974 965 0.00      
18 Bg 909 900 0.00      
19 Bg 690 684 0.00      
20 Bg 367 363 0.00      
21 Bu 3191 3162 15.59      
22 Bu 3100 3072 4.26      
23 Bu 3073 3045 17.74      
24 Bu 1622 1607 18.57      
25 Bu 1459 1446 4.77      
26 Bu 1317 1305 1.24      
27 Bu 1207 1196 19.59      
28 Bu 1018 1009 2.69      
29 Bu 530 526 6.82      
30 Bu 104 103 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 20416.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 20230.8 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 PBEPBE/3-21G
ABC
0.85677 0.04514 0.04288

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.614 0.000
C2 0.000 -0.614 0.000
C3 0.000 2.032 0.000
C4 0.000 -2.032 0.000
C5 1.120 2.794 0.000
C6 -1.120 -2.794 0.000
H7 -0.984 2.520 0.000
H8 0.984 -2.520 0.000
H9 2.115 2.342 0.000
H10 1.059 3.885 0.000
H11 -2.115 -2.342 0.000
H12 -1.059 -3.885 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22891.41772.64662.45033.58752.14463.28532.73143.43793.63564.6225
C21.22892.64661.41773.58752.45033.28532.14463.63564.62252.73143.4379
C31.41772.64664.06431.35444.95421.09824.65732.13812.13434.85926.0113
C42.64661.41774.06434.95421.35444.65731.09824.85926.01132.13812.1343
C52.45033.58751.35444.95426.01982.12165.31551.09301.09306.07027.0254
C63.58752.45034.95421.35446.01985.31552.12166.07027.02541.09301.0930
H72.14463.28531.09824.65732.12165.31555.41063.10442.45704.99236.4056
H83.28532.14464.65731.09825.31552.12165.41064.99236.40563.10442.4570
H92.73143.63562.13814.85921.09306.07023.10444.99231.86986.31246.9899
H103.43794.62252.13436.01131.09307.02542.45706.40561.86986.98998.0537
H113.63562.73144.85922.13816.07021.09304.99233.10446.31246.98991.8698
H124.62253.43796.01132.13437.02541.09306.40562.45706.98998.05371.8698

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 124.215
C1 C3 H7 116.376 C2 C1 C3 180.000
C2 C4 C6 124.215 C2 C4 H8 116.376
C3 C5 H9 121.391 C3 C5 H10 121.019
C4 C6 H11 121.391 C4 C6 H12 121.019
C5 C3 H7 119.409 C6 C4 H8 119.409
H9 C5 H10 117.590 H11 C6 H12 117.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 C -0.021      
3 C -0.267      
4 C -0.267      
5 C -0.361      
6 C -0.361      
7 H 0.230      
8 H 0.230      
9 H 0.212      
10 H 0.207      
11 H 0.212      
12 H 0.207      


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 -32.421 0.711 0.000
y 0.711 -26.402 0.000
z 0.000 0.000 -39.922
Traceless
 xyz
x 0.741 0.711 0.000
y 0.711 9.770 0.000
z 0.000 0.000 -10.511
Polar
3z2-r2-21.021
x2-y2-6.019
xy0.711
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.587 4.514 0.000
y 4.514 20.141 0.000
z 0.000 0.000 2.364


<r2> (average value of r2) Å2
<r2> 250.351
(<r2>)1/2 15.822