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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-229.562236
Energy at 298.15K-229.565193
Nuclear repulsion energy187.814002
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 LSDA/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 A1 3146 3087 3.67      
2 A1 3126 3068 0.75      
3 A1 2013 1975 0.05      
4 A1 1491 1463 1.10      
5 A1 1341 1316 0.46      
6 A1 1134 1113 0.74      
7 A1 1098 1077 20.14      
8 A1 1002 983 7.54      
9 A1 603 592 0.27      
10 A2 926 909 0.00      
11 A2 839 823 0.00      
12 A2 593 582 0.00      
13 A2 449 441 0.00      
14 B1 878 862 0.04      
15 B1 726 712 68.31      
16 B1 382 374 4.39      
17 B2 3141 3083 23.94      
18 B2 3112 3054 0.08      
19 B2 1475 1448 5.15      
20 B2 1420 1394 12.27      
21 B2 1240 1217 0.56      
22 B2 1090 1070 2.34      
23 B2 816 800 26.67      
24 B2 425 417 97.23      

Unscaled Zero Point Vibrational Energy (zpe) 16232.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 15928.6 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 LSDA/6-31G*
ABC
0.23645 0.19050 0.10550

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.628 -1.230
C2 0.000 -0.628 -1.230
C3 0.000 1.459 -0.135
C4 0.000 -1.459 -0.135
C5 0.000 0.698 1.051
C6 0.000 -0.698 1.051
H7 0.000 2.554 -0.128
H8 0.000 -2.554 -0.128
H9 0.000 1.229 2.012
H10 0.000 -1.229 2.012

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.25661.37532.35782.28272.63932.21943.36833.29743.7364
C21.25662.35781.37532.63932.28273.36832.21943.73643.2974
C31.37532.35782.91871.40892.46221.09524.01392.15893.4398
C42.35781.37532.91872.46221.40894.01391.09523.43982.1589
C52.28272.63931.40892.46221.39702.19893.46011.09732.1533
C62.63932.28272.46221.40891.39703.46012.19892.15331.0973
H72.21943.36831.09524.01392.19893.46015.10902.51744.3463
H83.36832.21944.01391.09523.46012.19895.10904.34632.5174
H93.29743.73642.15893.43981.09732.15332.51744.34632.4571
H103.73643.29743.43982.15892.15331.09734.34632.51742.4571

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.177 C1 C3 C5 110.137
C1 C3 H7 127.524 C2 C1 C3 127.177
C2 C4 C6 110.137 C2 C4 H8 127.524
C3 C5 C6 122.686 C3 C5 H9 118.428
C4 C6 C5 122.686 C4 C6 H10 118.428
C5 C3 H7 122.339 C5 C6 H10 118.886
C6 C4 H8 122.339 C6 C5 H9 118.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.000      
2 C -0.000      
3 C -0.178      
4 C -0.178      
5 C -0.158      
6 C -0.158      
7 H 0.169      
8 H 0.169      
9 H 0.167      
10 H 0.167      


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 1.528 1.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.722 0.000 0.000
y 0.000 -28.671 0.000
z 0.000 0.000 -33.230
Traceless
 xyz
x -5.771 0.000 0.000
y 0.000 6.305 0.000
z 0.000 0.000 -0.534
Polar
3z2-r2-1.068
x2-y2-8.051
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.035 0.000 0.000
y 0.000 11.189 0.000
z 0.000 0.000 9.097


<r2> (average value of r2) Å2
<r2> 112.523
(<r2>)1/2 10.608