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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-230.881429
Energy at 298.15K-230.884398
Nuclear repulsion energy186.467260
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/6-311G**
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 3116 3104 6.92      
2 A1 3093 3081 5.78      
3 A1 1935 1928 0.10      
4 A1 1436 1430 0.80      
5 A1 1266 1261 2.05      
6 A1 1133 1128 0.08      
7 A1 1046 1041 22.34      
8 A1 966 963 6.35      
9 A1 610 607 0.42      
10 A2 924 921 0.00      
11 A2 834 830 0.00      
12 A2 583 581 0.00      
13 A2 436 435 0.00      
14 B1 877 874 0.02      
15 B1 723 720 76.63      
16 B1 383 382 5.56      
17 B2 3112 3100 39.81      
18 B2 3078 3066 0.89      
19 B2 1405 1399 14.49      
20 B2 1374 1369 1.39      
21 B2 1237 1232 0.05      
22 B2 1073 1068 1.25      
23 B2 826 823 29.35      
24 B2 434 432 95.74      

Unscaled Zero Point Vibrational Energy (zpe) 15949.2 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 15887.0 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/6-311G**
ABC
0.23117 0.18863 0.10387

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.628 -1.244
C2 0.000 -0.628 -1.244
C3 0.000 1.468 -0.135
C4 0.000 -1.468 -0.135
C5 0.000 0.706 1.066
C6 0.000 -0.706 1.066
H7 0.000 2.556 -0.137
H8 0.000 -2.556 -0.137
H9 0.000 1.237 2.020
H10 0.000 -1.237 2.020

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.25631.39082.37102.31122.66742.22383.37173.32023.7593
C21.25632.37101.39082.66742.31123.37172.22383.75933.3202
C31.39082.37102.93501.42222.48311.08904.02402.16723.4582
C42.37101.39082.93502.48311.42224.02401.08903.45822.1672
C52.31122.66741.42222.48311.41162.20703.47681.09202.1646
C62.66742.31122.48311.42221.41163.47682.20702.16461.0920
H72.22383.37171.08904.02402.20703.47685.11302.52794.3637
H83.37172.22384.02401.08903.47682.20705.11304.36372.5279
H93.32023.75932.16723.45821.09202.16462.52794.36372.4744
H103.75933.32023.45822.16722.16461.09204.36372.52792.4744

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.123 C1 C3 C5 110.491
C1 C3 H7 127.052 C2 C1 C3 127.123
C2 C4 C6 110.491 C2 C4 H8 127.052
C3 C5 C6 122.386 C3 C5 H9 118.495
C4 C6 C5 122.386 C4 C6 H10 118.495
C5 C3 H7 122.457 C5 C6 H10 119.120
C6 C4 H8 122.457 C6 C5 H9 119.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.028      
2 C -0.028      
3 C -0.080      
4 C -0.080      
5 C -0.095      
6 C -0.095      
7 H 0.104      
8 H 0.104      
9 H 0.099      
10 H 0.099      


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 1.602 1.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.711 0.000 0.000
y 0.000 -29.778 0.000
z 0.000 0.000 -34.724
Traceless
 xyz
x -5.460 0.000 0.000
y 0.000 6.439 0.000
z 0.000 0.000 -0.979
Polar
3z2-r2-1.959
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 3.931 0.000 0.000
y 0.000 11.875 0.000
z 0.000 0.000 9.906


<r2> (average value of r2) Å2
<r2> 114.588
(<r2>)1/2 10.705