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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-230.994313
Energy at 298.15K-230.997428
Nuclear repulsion energy188.262191
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 B3LYP/cc-pVTZ
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 3203 3096 6.62      
2 A1 3176 3070 4.68      
3 A1 2016 1949 0.00      
4 A1 1486 1437 0.45      
5 A1 1308 1265 1.60      
6 A1 1163 1124 0.00      
7 A1 1076 1040 21.15      
8 A1 1000 967 7.06      
9 A1 627 606 0.44      
10 A2 980 947 0.00      
11 A2 875 846 0.00      
12 A2 610 590 0.00      
13 A2 455 440 0.00      
14 B1 929 898 0.00      
15 B1 754 729 76.57      
16 B1 397 384 5.91      
17 B2 3199 3092 26.60      
18 B2 3161 3055 1.15      
19 B2 1469 1420 15.03      
20 B2 1427 1380 2.30      
21 B2 1276 1233 0.04      
22 B2 1110 1073 1.27      
23 B2 852 823 31.68      
24 B2 428 414 112.22      

Unscaled Zero Point Vibrational Energy (zpe) 16488.0 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 15937.3 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 B3LYP/cc-pVTZ
ABC
0.23619 0.19189 0.10588

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.621 -1.231
C2 0.000 -0.621 -1.231
C3 0.000 1.456 -0.134
C4 0.000 -1.456 -0.134
C5 0.000 0.701 1.054
C6 0.000 -0.701 1.054
H7 0.000 2.535 -0.135
H8 0.000 -2.535 -0.135
H9 0.000 1.225 2.002
H10 0.000 -1.225 2.002

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.24101.37902.34832.28602.63912.20623.34073.28853.7220
C21.24102.34831.37902.63912.28603.34072.20623.72203.2885
C31.37902.34832.91121.40702.46141.07983.99102.14763.4266
C42.34831.37902.91122.46141.40703.99101.07983.42662.1476
C52.28602.63911.40702.46141.40112.18643.44751.08312.1458
C62.63912.28602.46141.40701.40113.44752.18642.14581.0831
H72.20623.34071.07983.99102.18643.44755.07082.50704.3248
H83.34072.20623.99101.07983.44752.18645.07084.32482.5070
H93.28853.72202.14763.42661.08312.14582.50704.32482.4490
H103.72203.28853.42662.14762.14581.08314.32482.50702.4490

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.269 C1 C3 C5 110.276
C1 C3 H7 127.173 C2 C1 C3 127.269
C2 C4 C6 110.276 C2 C4 H8 127.173
C3 C5 C6 122.454 C3 C5 H9 118.613
C4 C6 C5 122.454 C4 C6 H10 118.613
C5 C3 H7 122.551 C5 C6 H10 118.932
C6 C4 H8 122.551 C6 C5 H9 118.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 C -0.004      
3 C -0.140      
4 C -0.140      
5 C -0.102      
6 C -0.102      
7 H 0.127      
8 H 0.127      
9 H 0.118      
10 H 0.118      


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 1.627 1.627
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.667 0.000 0.000
y 0.000 -29.549 0.000
z 0.000 0.000 -34.914
Traceless
 xyz
x -5.435 0.000 0.000
y 0.000 6.741 0.000
z 0.000 0.000 -1.306
Polar
3z2-r2-2.612
x2-y2-8.118
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.711 0.000 0.000
y 0.000 11.988 0.000
z 0.000 0.000 10.136


<r2> (average value of r2) Å2
<r2> 112.822
(<r2>)1/2 10.622