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: BLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-232.133065
Energy at 298.15K-232.136820
HF Energy-232.133065
Nuclear repulsion energy174.548233
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 BLYP/aug-cc-pVTZ
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 3158 3148 0.00      
2 Ag 3074 3063 0.00      
3 Ag 3045 3034 0.00      
4 Ag 2204 2196 0.00      
5 Ag 1577 1572 0.00      
6 Ag 1406 1401 0.00      
7 Ag 1288 1284 0.00      
8 Ag 1063 1060 0.00      
9 Ag 705 703 0.00      
10 Ag 519 517 0.00      
11 Ag 220 219 0.00      
12 Au 976 973 33.05      
13 Au 906 903 76.50      
14 Au 663 661 10.82      
15 Au 172 171 6.22      
16 Au 49 49 0.11      
17 Bg 968 965 0.00      
18 Bg 907 904 0.00      
19 Bg 684 682 0.00      
20 Bg 368 367 0.00      
21 Bu 3158 3148 15.18      
22 Bu 3074 3063 7.58      
23 Bu 3045 3034 22.29      
24 Bu 1607 1601 46.82      
25 Bu 1428 1423 5.37      
26 Bu 1287 1282 0.48      
27 Bu 1189 1185 13.09      
28 Bu 997 993 0.67      
29 Bu 521 519 12.90      
30 Bu 106 106 2.35      

Unscaled Zero Point Vibrational Energy (zpe) 20181.1 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 20112.5 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 BLYP/aug-cc-pVTZ
ABC
0.87867 0.04512 0.04292

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.611 0.000
C2 0.000 -0.611 0.000
C3 0.000 2.027 0.000
C4 0.000 -2.027 0.000
C5 1.104 2.803 0.000
C6 -1.104 -2.803 0.000
H7 -0.982 2.506 0.000
H8 0.982 -2.506 0.000
H9 2.103 2.374 0.000
H10 1.023 3.886 0.000
H11 -2.103 -2.374 0.000
H12 -1.023 -3.886 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22131.41622.63762.45443.58752.13483.26792.74463.43163.65124.6118
C21.22132.63761.41623.58752.45443.26792.13483.65124.61182.74463.4316
C31.41622.63764.05381.34954.95421.09254.63832.13182.12214.87756.0010
C42.63761.41624.05384.95421.34954.63831.09254.87756.00102.13182.1221
C52.45443.58751.34954.95426.02472.10705.31031.08731.08686.08977.0190
C63.58752.45444.95421.34956.02475.31032.10706.08977.01901.08731.0868
H72.13483.26791.09254.63832.10705.31035.38343.08802.43355.00736.3928
H83.26792.13484.63831.09255.31032.10705.38345.00736.39283.08802.4335
H92.74463.65122.13184.87751.08736.08973.08805.00731.85916.34326.9972
H103.43164.61182.12216.00101.08687.01902.43356.39281.85916.99728.0373
H113.65122.74464.87752.13186.08971.08735.00733.08806.34326.99721.8591
H124.61183.43166.00102.12217.01901.08686.39282.43356.99728.03731.8591

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 125.086
C1 C3 H7 116.027 C2 C1 C3 180.000
C2 C4 C6 125.086 C2 C4 H8 116.027
C3 C5 H9 121.681 C3 C5 H10 120.777
C4 C6 H11 121.681 C4 C6 H12 120.777
C5 C3 H7 118.886 C6 C4 H8 118.886
H9 C5 H10 117.543 H11 C6 H12 117.543
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.782      
2 C 0.782      
3 C -0.365      
4 C -0.365      
5 C -0.867      
6 C -0.867      
7 H 0.013      
8 H 0.013      
9 H 0.147      
10 H 0.289      
11 H 0.147      
12 H 0.289      


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 -33.972 0.292 0.000
y 0.292 -29.263 0.000
z 0.000 0.000 -40.270
Traceless
 xyz
x 0.795 0.292 0.000
y 0.292 7.858 0.000
z 0.000 0.000 -8.652
Polar
3z2-r2-17.305
x2-y2-4.709
xy0.292
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.268 4.875 0.000
y 4.875 23.875 0.000
z 0.000 0.000 7.374


<r2> (average value of r2) Å2
<r2> 251.123
(<r2>)1/2 15.847