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: B3LYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-232.143090
Energy at 298.15K-232.146993
HF Energy-232.143090
Nuclear repulsion energy174.757652
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*
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 3264 3135 0.00      
2 Ag 3178 3052 0.00      
3 Ag 3153 3028 0.00      
4 Ag 2311 2219 0.00      
5 Ag 1670 1604 0.00      
6 Ag 1457 1399 0.00      
7 Ag 1336 1283 0.00      
8 Ag 1099 1056 0.00      
9 Ag 732 703 0.00      
10 Ag 534 513 0.00      
11 Ag 234 225 0.00      
12 Au 1014 973 32.90      
13 Au 934 897 70.97      
14 Au 690 663 9.18      
15 Au 189 181 4.46      
16 Au 52 49 0.07      
17 Bg 1008 968 0.00      
18 Bg 935 898 0.00      
19 Bg 723 695 0.00      
20 Bg 401 385 0.00      
21 Bu 3264 3135 21.22      
22 Bu 3178 3052 9.79      
23 Bu 3153 3028 27.57      
24 Bu 1699 1632 26.27      
25 Bu 1478 1420 4.27      
26 Bu 1334 1281 4.16      
27 Bu 1228 1179 17.39      
28 Bu 1025 984 0.72      
29 Bu 530 509 9.16      
30 Bu 112 108 2.07      

Unscaled Zero Point Vibrational Energy (zpe) 20957.9 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 20125.9 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 B3LYP/6-31G*
ABC
0.89740 0.04506 0.04291

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.608 0.000
C2 -0.012 -0.608 0.000
C3 -0.012 2.027 0.000
C4 0.012 -2.027 0.000
C5 1.076 2.811 0.000
C6 -1.076 -2.811 0.000
H7 -0.997 2.494 0.000
H8 0.997 -2.494 0.000
H9 2.078 2.395 0.000
H10 0.982 3.892 0.000
H11 -2.078 -2.395 0.000
H12 -0.982 -3.892 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21661.41902.63512.44653.58852.13883.25462.73153.42403.65924.6088
C21.21662.63511.41903.58852.44653.25462.13883.65924.60882.73153.4240
C31.41902.63514.05401.34184.95381.08964.63222.12292.11364.88075.9979
C42.63511.41904.05404.95381.34184.63221.08964.88075.99792.12292.1136
C52.44653.58851.34184.95386.02042.09725.30581.08521.08496.08747.0122
C63.58852.44654.95381.34186.02045.30582.09726.08747.01221.08521.0849
H72.13883.25461.08964.63222.09725.30585.37153.07682.42285.00716.3860
H83.25462.13884.63221.08965.30582.09725.37155.00716.38603.07682.4228
H92.73153.65922.12294.88071.08526.08743.07685.00711.85576.34216.9923
H103.42404.60882.11365.99791.08497.01222.42286.38601.85576.99238.0280
H113.65922.73154.88072.12296.08741.08525.00713.07686.34216.99231.8557
H124.60883.42405.99792.11367.01221.08496.38602.42286.99238.02801.8557

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 177.836 C1 C3 C5 124.769
C1 C3 H7 116.379 C2 C1 C3 177.836
C2 C4 C6 124.769 C2 C4 H8 116.379
C3 C5 H9 121.673 C3 C5 H10 120.777
C4 C6 H11 121.673 C4 C6 H12 120.777
C5 C3 H7 118.852 C6 C4 H8 118.852
H9 C5 H10 117.550 H11 C6 H12 117.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.038      
2 C 0.038      
3 C -0.195      
4 C -0.195      
5 C -0.309      
6 C -0.309      
7 H 0.161      
8 H 0.161      
9 H 0.156      
10 H 0.151      
11 H 0.156      
12 H 0.151      


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 -32.441 0.415 0.000
y 0.415 -27.207 0.000
z 0.000 0.000 -38.664
Traceless
 xyz
x 0.495 0.415 0.000
y 0.415 8.346 0.000
z 0.000 0.000 -8.840
Polar
3z2-r2-17.681
x2-y2-5.234
xy0.415
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.906 4.420 0.000
y 4.420 20.046 0.000
z 0.000 0.000 3.164


<r2> (average value of r2) Å2
<r2> 250.075
(<r2>)1/2 15.814