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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-229.471682
Energy at 298.15K-229.474894
HF Energy-229.471682
Nuclear repulsion energy189.606503
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/Def2TZVPP
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 3370 3055 6.71      
2 A1 3332 3020 11.42      
3 A1 2192 1986 0.78      
4 A1 1591 1443 0.01      
5 A1 1385 1256 0.77      
6 A1 1229 1114 1.23      
7 A1 1068 968 11.55      
8 A1 1062 963 23.43      
9 A1 669 607 0.85      
10 A2 1096 993 0.00      
11 A2 966 875 0.00      
12 A2 634 574 0.00      
13 A2 457 414 0.00      
14 B1 1052 953 0.01      
15 B1 834 756 93.25      
16 B1 430 390 8.48      
17 B2 3367 3052 26.71      
18 B2 3314 3003 4.23      
19 B2 1627 1475 23.19      
20 B2 1527 1384 2.07      
21 B2 1356 1229 0.03      
22 B2 1199 1087 0.93      
23 B2 899 815 34.11      
24 B2 327 296 192.85      

Unscaled Zero Point Vibrational Energy (zpe) 17490.2 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 15853.1 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/Def2TZVPP
ABC
0.24048 0.19377 0.10731

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.607 -1.219
C2 0.000 -0.607 -1.219
C3 0.000 1.443 -0.134
C4 0.000 -1.443 -0.134
C5 0.000 0.695 1.045
C6 0.000 -0.695 1.045
H7 0.000 2.512 -0.142
H8 0.000 -2.512 -0.142
H9 0.000 1.210 1.987
H10 0.000 -1.210 1.987

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.21431.36892.31922.26572.61202.18743.29923.26183.6849
C21.21432.31921.36892.61202.26573.29922.18743.68493.2618
C31.36892.31922.88611.39682.44251.06863.95462.13423.3971
C42.31921.36892.88612.44251.39683.95461.06863.39712.1342
C52.26572.61201.39682.44251.39102.17013.42001.07312.1256
C62.61202.26572.44251.39681.39103.42002.17012.12561.0731
H72.18743.29921.06863.95462.17013.42005.02322.49564.2879
H83.29922.18743.95461.06863.42002.17015.02324.28792.4956
H93.26183.68492.13423.39711.07312.12562.49564.28792.4204
H103.68493.26183.39712.13422.12561.07314.28792.49562.4204

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.635 C1 C3 C5 110.008
C1 C3 H7 127.210 C2 C1 C3 127.635
C2 C4 C6 110.008 C2 C4 H8 127.210
C3 C5 C6 122.357 C3 C5 H9 118.981
C4 C6 C5 122.357 C4 C6 H10 118.981
C5 C3 H7 122.782 C5 C6 H10 118.662
C6 C4 H8 122.782 C6 C5 H9 118.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.060      
2 C -0.060      
3 C -0.050      
4 C -0.050      
5 C -0.084      
6 C -0.084      
7 H 0.101      
8 H 0.101      
9 H 0.093      
10 H 0.093      


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 1.806 1.806
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.668 0.000 0.000
y 0.000 -29.020 0.000
z 0.000 0.000 -35.594
Traceless
 xyz
x -6.361 0.000 0.000
y 0.000 8.111 0.000
z 0.000 0.000 -1.749
Polar
3z2-r2-3.499
x2-y2-9.648
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.479 0.000 0.000
y 0.000 11.885 0.000
z 0.000 0.000 9.883


<r2> (average value of r2) Å2
<r2> 111.842
(<r2>)1/2 10.576