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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: PBEPBE/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 PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-230.700398
Energy at 298.15K-230.703360
HF Energy-230.700398
Nuclear repulsion energy187.237421
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3133 3095 6.03      
2 A1 3109 3072 2.20      
3 A1 1959 1935 0.05      
4 A1 1447 1429 1.82      
5 A1 1287 1272 1.15      
6 A1 1126 1113 0.27      
7 A1 1066 1053 21.07      
8 A1 977 965 7.83      
9 A1 604 596 0.38      
10 A2 928 917 0.00      
11 A2 839 829 0.00      
12 A2 589 582 0.00      
13 A2 445 440 0.00      
14 B1 882 871 0.00      
15 B1 723 715 77.33      
16 B1 380 375 5.76      
17 B2 3130 3092 26.63      
18 B2 3094 3057 0.37      
19 B2 1415 1398 9.64      
20 B2 1391 1374 5.91      
21 B2 1235 1220 0.24      
22 B2 1076 1063 1.69      
23 B2 820 810 30.04      
24 B2 422 417 102.53      

Unscaled Zero Point Vibrational Energy (zpe) 16037.4 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 15843.4 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/Def2TZVPP
ABC
0.23447 0.18939 0.10477

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.627 -1.235
C2 0.000 -0.627 -1.235
C3 0.000 1.465 -0.137
C4 0.000 -1.465 -0.137
C5 0.000 0.701 1.058
C6 0.000 -0.701 1.058
H7 0.000 2.554 -0.138
H8 0.000 -2.554 -0.138
H9 0.000 1.228 2.016
H10 0.000 -1.228 2.016

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.25401.38152.36302.29442.65012.21763.36523.30593.7427
C21.25402.36301.38152.65012.29443.36522.21763.74273.3059
C31.38152.36302.93091.41872.47441.08904.01992.16603.4478
C42.36301.38152.93092.47441.41874.01991.08903.44782.1660
C52.29442.65011.41872.47441.40242.20593.46851.09282.1534
C62.65012.29442.47441.41871.40243.46852.20592.15341.0928
H72.21763.36521.08904.01992.20593.46855.10892.53004.3525
H83.36522.21764.01991.08903.46852.20595.10894.35252.5300
H93.30593.74272.16603.44781.09282.15342.53004.35252.4552
H103.74273.30593.44782.16602.15341.09284.35252.53002.4552

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.366 C1 C3 C5 110.039
C1 C3 H7 127.300 C2 C1 C3 127.366
C2 C4 C6 110.039 C2 C4 H8 127.300
C3 C5 C6 122.595 C3 C5 H9 118.606
C4 C6 C5 122.595 C4 C6 H10 118.606
C5 C3 H7 122.661 C5 C6 H10 118.799
C6 C4 H8 122.661 C6 C5 H9 118.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.026      
2 C -0.026      
3 C -0.108      
4 C -0.108      
5 C -0.098      
6 C -0.098      
7 H 0.122      
8 H 0.122      
9 H 0.110      
10 H 0.110      


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 1.688 1.688
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.758 0.000 0.000
y 0.000 -29.604 0.000
z 0.000 0.000 -34.934
Traceless
 xyz
x -5.489 0.000 0.000
y 0.000 6.742 0.000
z 0.000 0.000 -1.253
Polar
3z2-r2-2.506
x2-y2-8.154
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.514 0.000 0.000
y 0.000 12.464 0.000
z 0.000 0.000 10.753


<r2> (average value of r2) Å2
<r2> 113.859
(<r2>)1/2 10.670