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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-430.548139
Energy at 298.15K-430.552864
Nuclear repulsion energy347.413359
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 B3PW91/6-31G*
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 3239 3098 1.79      
2 A1 3224 3084 11.35      
3 A1 1676 1604 25.03      
4 A1 1572 1504 190.94      
5 A1 1378 1318 1.12      
6 A1 1327 1270 103.89      
7 A1 1184 1133 0.69      
8 A1 1059 1013 6.06      
9 A1 787 753 28.58      
10 A1 581 555 3.28      
11 A1 280 268 0.24      
12 A2 970 928 0.00      
13 A2 852 815 0.00      
14 A2 678 649 0.00      
15 A2 561 537 0.00      
16 A2 190 182 0.00      
17 B1 935 895 6.07      
18 B1 765 732 77.66      
19 B1 463 443 1.68      
20 B1 298 285 0.01      
21 B2 3234 3094 5.31      
22 B2 3211 3072 1.37      
23 B2 1679 1606 7.83      
24 B2 1508 1443 11.88      
25 B2 1302 1246 10.47      
26 B2 1247 1193 31.09      
27 B2 1133 1084 18.89      
28 B2 861 824 14.69      
29 B2 552 528 3.01      
30 B2 441 422 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 18594.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17788.8 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 B3PW91/6-31G*
ABC
0.10894 0.07416 0.04412

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.695 -0.536
C2 0.000 -0.695 -0.536
C3 0.000 -1.396 0.659
C4 0.000 -0.697 1.864
C5 0.000 0.697 1.864
C6 0.000 1.396 0.659
F7 0.000 1.349 -1.705
F8 0.000 -1.349 -1.705
H9 0.000 -2.480 0.627
H10 0.000 -1.245 2.801
H11 0.000 1.245 2.801
H12 0.000 2.480 0.627

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38962.40832.77442.40011.38601.33962.35473.38143.86013.38242.1310
C21.38961.38602.40012.77442.40832.35471.33962.13103.38243.86013.3814
C32.40831.38601.39232.41452.79133.62292.36491.08512.14693.39983.8760
C42.77442.40011.39231.39412.41454.11393.62792.17011.08562.15633.4095
C52.40012.77442.41451.39411.39233.62794.11393.40952.15631.08562.1701
C61.38602.40832.79132.41451.39232.36493.62293.87603.39982.14691.0851
F71.33962.35473.62294.11393.62792.36492.69874.48385.19954.50732.5918
F82.35471.33962.36493.62794.11393.62292.69872.59184.50735.19954.4838
H93.38142.13101.08512.17013.40953.87604.48382.59182.50054.31314.9605
H103.86013.38242.14691.08562.15633.39985.19954.50732.50052.48974.3131
H113.38243.86013.39982.15631.08562.14694.50735.19954.31312.48972.5005
H122.13103.38143.87603.40952.17011.08512.59184.48384.96054.31312.5005

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.377 C1 C2 F8 119.250
C1 C6 C5 119.507 C1 C6 H12 118.665
C2 C1 C6 120.377 C2 C1 F7 119.250
C2 C3 C4 119.507 C2 C3 H9 118.665
C3 C2 F8 120.373 C3 C4 C5 120.117
C3 C4 H10 119.578 C4 C3 H9 121.828
C4 C5 C6 120.117 C4 C5 H11 120.305
C5 C4 H10 120.305 C5 C6 H12 121.828
C6 C1 F7 120.373 C6 C5 H11 119.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.321      
2 C 0.321      
3 C -0.239      
4 C -0.164      
5 C -0.164      
6 C -0.239      
7 F -0.283      
8 F -0.283      
9 H 0.190      
10 H 0.175      
11 H 0.175      
12 H 0.190      


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 2.247 2.247
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.443 0.000 0.000
y 0.000 -39.389 0.000
z 0.000 0.000 -42.607
Traceless
 xyz
x -4.445 0.000 0.000
y 0.000 4.636 0.000
z 0.000 0.000 -0.191
Polar
3z2-r2-0.383
x2-y2-6.054
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.450 0.000 0.000
y 0.000 10.533 0.000
z 0.000 0.000 10.848


<r2> (average value of r2) Å2
<r2> 229.153
(<r2>)1/2 15.138