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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-430.250487
Energy at 298.15K-430.255245
HF Energy-430.250487
Nuclear repulsion energy348.013990
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 PBE1PBE/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 3255 3093 1.57      
2 A1 3240 3079 9.47      
3 A1 1693 1609 28.03      
4 A1 1585 1506 200.74      
5 A1 1388 1319 1.43      
6 A1 1339 1272 97.35      
7 A1 1186 1127 0.65      
8 A1 1064 1012 5.92      
9 A1 794 755 28.51      
10 A1 583 554 3.07      
11 A1 280 266 0.25      
12 A2 977 928 0.00      
13 A2 857 815 0.00      
14 A2 684 650 0.00      
15 A2 565 537 0.00      
16 A2 192 183 0.00      
17 B1 941 895 6.18      
18 B1 770 731 79.68      
19 B1 466 443 1.74      
20 B1 300 285 0.00      
21 B2 3250 3088 3.72      
22 B2 3228 3067 1.14      
23 B2 1696 1612 8.20      
24 B2 1517 1442 12.89      
25 B2 1309 1244 13.47      
26 B2 1256 1194 28.89      
27 B2 1137 1081 18.05      
28 B2 866 823 14.27      
29 B2 555 528 2.96      
30 B2 443 421 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 18707.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 17778.0 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 PBE1PBE/6-31G*
ABC
0.10940 0.07439 0.04428

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.696 -0.536
C2 0.000 -0.696 -0.536
C3 0.000 -1.397 0.658
C4 0.000 -0.696 1.863
C5 0.000 0.696 1.863
C6 0.000 1.397 0.658
F7 0.000 1.342 -1.704
F8 0.000 -1.342 -1.704
H9 0.000 -2.482 0.626
H10 0.000 -1.243 2.800
H11 0.000 1.243 2.800
H12 0.000 2.482 0.626

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.39182.40982.77292.39831.38481.33552.34933.38373.85863.38072.1308
C21.39181.38482.39832.77292.40982.34931.33552.13083.38073.85863.3837
C32.40981.38481.39352.41502.79453.61762.36341.08542.14763.39993.8796
C42.77292.39831.39351.39212.41504.10823.62502.17251.08572.15403.4104
C52.39832.77292.41501.39211.39353.62504.10823.41042.15401.08572.1725
C61.38482.40982.79452.41501.39352.36343.61763.87963.39992.14761.0854
F71.33552.34933.61764.10823.62502.36342.68434.47845.19394.50592.5942
F82.34931.33552.36343.62504.10823.61762.68432.59424.50595.19394.4784
H93.38372.13081.08542.17253.41043.87964.47842.59422.50284.31354.9644
H103.85863.38072.14761.08572.15403.39995.19394.50592.50282.48614.3135
H113.38073.85863.39992.15401.08572.14764.50595.19394.31352.48612.5028
H122.13083.38373.87963.41042.17251.08542.59424.47844.96444.31352.5028

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.429 C1 C2 F8 118.942
C1 C6 C5 119.357 C1 C6 H12 118.712
C2 C1 C6 120.429 C2 C1 F7 118.942
C2 C3 C4 119.357 C2 C3 H9 118.712
C3 C2 F8 120.629 C3 C4 C5 120.213
C3 C4 H10 119.532 C4 C3 H9 121.931
C4 C5 C6 120.213 C4 C5 H11 120.255
C5 C4 H10 120.255 C5 C6 H12 121.931
C6 C1 F7 120.629 C6 C5 H11 119.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.321      
2 C 0.321      
3 C -0.244      
4 C -0.171      
5 C -0.171      
6 C -0.244      
7 F -0.283      
8 F -0.283      
9 H 0.196      
10 H 0.182      
11 H 0.182      
12 H 0.196      


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 2.227 2.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.581 0.000 0.000
y 0.000 -39.399 0.000
z 0.000 0.000 -42.616
Traceless
 xyz
x -4.574 0.000 0.000
y 0.000 4.700 0.000
z 0.000 0.000 -0.126
Polar
3z2-r2-0.252
x2-y2-6.182
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 10.464 0.000
z 0.000 0.000 10.764


<r2> (average value of r2) Å2
<r2> 228.488
(<r2>)1/2 15.116