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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-424.811920
Energy at 298.15K-424.815900
Nuclear repulsion energy336.750234
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/STO-3G
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 3370 3118 3.75      
2 A1 3349 3099 0.00      
3 A1 1618 1497 0.10      
4 A1 1558 1441 102.35      
5 A1 1349 1248 34.87      
6 A1 1278 1183 5.57      
7 A1 1208 1118 0.19      
8 A1 1060 980 0.29      
9 A1 755 699 1.35      
10 A1 573 530 0.67      
11 A1 250 231 0.13      
12 A2 983 909 0.00      
13 A2 849 785 0.00      
14 A2 677 627 0.00      
15 A2 534 494 0.00      
16 A2 172 160 0.00      
17 B1 935 865 2.70      
18 B1 757 700 35.56      
19 B1 439 406 0.81      
20 B1 279 258 0.17      
21 B2 3358 3107 6.57      
22 B2 3343 3093 0.64      
23 B2 1660 1536 9.61      
24 B2 1522 1409 18.60      
25 B2 1347 1247 7.75      
26 B2 1252 1158 1.69      
27 B2 1138 1053 4.26      
28 B2 868 803 3.77      
29 B2 522 483 1.30      
30 B2 421 389 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 18711.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 17312.1 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/STO-3G
ABC
0.10105 0.06990 0.04132

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.733 -0.563
C2 0.000 -0.733 -0.563
C3 0.000 -1.434 0.694
C4 0.000 -0.713 1.921
C5 0.000 0.713 1.921
C6 0.000 1.434 0.694
F7 0.000 1.423 -1.764
F8 0.000 -1.423 -1.764
H9 0.000 -2.541 0.684
H10 0.000 -1.265 2.879
H11 0.000 1.265 2.879
H12 0.000 2.541 0.684

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.46652.50572.87432.48401.43931.38482.46813.50343.98023.48292.1960
C21.46651.43932.48402.87432.50572.46811.38482.19603.48293.98023.5034
C32.50571.43931.42332.47332.86893.76902.45771.10622.19163.47333.9751
C42.87432.48401.42331.42622.47334.25913.75252.20651.10592.19833.4807
C52.48402.87432.47331.42621.42333.75254.25913.48072.19831.10592.2065
C61.43932.50572.86892.47331.42332.45773.76903.97513.47332.19161.1062
F71.38482.46813.76904.25913.75252.45772.84614.65885.36504.64542.6912
F82.46811.38482.45773.75254.25913.76902.84612.69124.64545.36504.6588
H93.50342.19601.10622.20653.48073.97514.65882.69122.53814.39345.0812
H103.98023.48292.19161.10592.19833.47335.36504.64542.53812.53104.3934
H113.48293.98023.47332.19831.10592.19164.64545.36504.39342.53102.5381
H122.19603.50343.97513.48072.20651.10622.69124.65885.08124.39342.5381

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.157 C1 C2 F8 119.875
C1 C6 C5 120.391 C1 C6 H12 118.664
C2 C1 C6 119.157 C2 C1 F7 119.875
C2 C3 C4 120.391 C2 C3 H9 118.664
C3 C2 F8 120.968 C3 C4 C5 120.452
C3 C4 H10 119.581 C4 C3 H9 120.945
C4 C5 C6 120.452 C4 C5 H11 119.966
C5 C4 H10 119.966 C5 C6 H12 120.945
C6 C1 F7 120.968 C6 C5 H11 119.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.059      
2 C 0.059      
3 C -0.099      
4 C -0.083      
5 C -0.083      
6 C -0.099      
7 F -0.034      
8 F -0.034      
9 H 0.080      
10 H 0.077      
11 H 0.077      
12 H 0.080      


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 0.182 0.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.455 0.000 0.000
y 0.000 -37.498 0.000
z 0.000 0.000 -38.880
Traceless
 xyz
x -3.266 0.000 0.000
y 0.000 2.669 0.000
z 0.000 0.000 0.596
Polar
3z2-r21.193
x2-y2-3.957
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.060 0.000 0.000
y 0.000 7.837 0.000
z 0.000 0.000 8.727


<r2> (average value of r2) Å2
<r2> 240.525
(<r2>)1/2 15.509