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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-230.631640
Energy at 298.15K-230.634561
Nuclear repulsion energy186.104018
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3137 3118 4.90      
2 A1 3115 3097 2.11      
3 A1 1966 1955 0.00      
4 A1 1451 1442 2.00      
5 A1 1298 1290 0.37      
6 A1 1118 1112 0.38      
7 A1 1069 1063 22.04      
8 A1 978 973 8.02      
9 A1 598 594 0.38      
10 A2 929 924 0.00      
11 A2 836 832 0.00      
12 A2 579 576 0.00      
13 A2 430 427 0.00      
14 B1 879 874 0.04      
15 B1 724 720 59.05      
16 B1 377 375 4.18      
17 B2 3132 3114 29.58      
18 B2 3099 3081 0.22      
19 B2 1427 1419 6.35      
20 B2 1388 1380 8.30      
21 B2 1221 1214 0.38      
22 B2 1072 1066 1.93      
23 B2 809 804 28.19      
24 B2 402 400 100.83      

Unscaled Zero Point Vibrational Energy (zpe) 16016.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 15923.8 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/cc-pVDZ
ABC
0.23189 0.18706 0.10354

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.633 -1.243
C2 0.000 -0.633 -1.243
C3 0.000 1.474 -0.135
C4 0.000 -1.474 -0.135
C5 0.000 0.705 1.062
C6 0.000 -0.705 1.062
H7 0.000 2.573 -0.132
H8 0.000 -2.573 -0.132
H9 0.000 1.237 2.027
H10 0.000 -1.237 2.027

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.26691.39052.38072.30582.66532.23513.39333.32473.7669
C21.26692.38071.39052.66532.30583.39332.23513.76693.3247
C31.39052.38072.94741.42222.48601.09914.04652.17433.4673
C42.38071.39052.94742.48601.42224.04651.09913.46732.1743
C52.30582.66531.42222.48601.41062.21633.48861.10172.1691
C62.66532.30582.48601.42221.41063.48862.21632.16911.1017
H72.23513.39331.09914.04652.21633.48865.14552.53794.3790
H83.39332.23514.04651.09913.48862.21635.14554.37902.5379
H93.32473.76692.17433.46731.10172.16912.53794.37902.4749
H103.76693.32473.46732.17432.16911.10174.37902.53792.4749

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.176 C1 C3 C5 110.121
C1 C3 H7 127.344 C2 C1 C3 127.176
C2 C4 C6 110.121 C2 C4 H8 127.344
C3 C5 C6 122.703 C3 C5 H9 118.416
C4 C6 C5 122.703 C4 C6 H10 118.416
C5 C3 H7 122.535 C5 C6 H10 118.881
C6 C4 H8 122.535 C6 C5 H9 118.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 C -0.041      
3 C 0.025      
4 C 0.025      
5 C 0.013      
6 C 0.013      
7 H 0.004      
8 H 0.004      
9 H -0.001      
10 H -0.001      


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 1.565 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.272 0.000 0.000
y 0.000 -29.339 0.000
z 0.000 0.000 -34.147
Traceless
 xyz
x -5.529 0.000 0.000
y 0.000 6.370 0.000
z 0.000 0.000 -0.841
Polar
3z2-r2-1.683
x2-y2-7.933
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.514 0.000 0.000
y 0.000 11.844 0.000
z 0.000 0.000 9.777


<r2> (average value of r2) Å2
<r2> 114.657
(<r2>)1/2 10.708