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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-428.572582
Energy at 298.15K-428.577835
HF Energy-428.572582
Nuclear repulsion energy351.574402
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 HF/Def2TZVPP
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 3363 3048 3.15      
2 A1 3347 3033 10.05      
3 A1 1793 1625 39.27      
4 A1 1683 1526 221.64      
5 A1 1414 1281 145.77      
6 A1 1310 1187 3.46      
7 A1 1185 1074 0.55      
8 A1 1116 1011 8.62      
9 A1 836 757 35.56      
10 A1 627 568 4.99      
11 A1 314 284 0.37      
12 A2 1095 993 0.00      
13 A2 966 876 0.00      
14 A2 793 719 0.00      
15 A2 618 560 0.00      
16 A2 210 190 0.00      
17 B1 1066 966 6.46      
18 B1 851 771 95.58      
19 B1 513 465 4.02      
20 B1 327 296 0.00      
21 B2 3357 3042 6.42      
22 B2 3333 3021 1.07      
23 B2 1794 1626 10.95      
24 B2 1614 1463 17.06      
25 B2 1403 1272 9.81      
26 B2 1332 1207 47.33      
27 B2 1205 1092 16.60      
28 B2 925 838 19.15      
29 B2 598 542 4.81      
30 B2 479 434 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 19731.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 17884.6 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 HF/Def2TZVPP
ABC
0.11130 0.07606 0.04518

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.685 -0.529
C2 0.000 -0.685 -0.529
C3 0.000 -1.384 0.648
C4 0.000 -0.689 1.840
C5 0.000 0.689 1.840
C6 0.000 1.384 0.648
F7 0.000 1.329 -1.682
F8 0.000 -1.329 -1.682
H9 0.000 -2.455 0.617
H10 0.000 -1.228 2.765
H11 0.000 1.228 2.765
H12 0.000 2.455 0.617

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.37052.38062.73802.36811.36841.32072.32133.34243.80893.33802.1078
C21.37051.36842.36812.73802.38062.32131.32072.10783.33803.80893.3424
C32.38061.36841.37992.39162.76893.57642.32991.07082.12303.36263.8394
C42.73802.36811.37991.37802.39164.05863.57882.14791.07092.12863.3733
C52.36812.73802.39161.37801.37993.57884.05863.37332.12861.07092.1479
C61.36842.38062.76892.39161.37992.32993.57643.83943.36262.12301.0708
F71.32072.32133.57644.05863.57882.32992.65894.42755.12954.44762.5589
F82.32131.32072.32993.57884.05863.57642.65892.55894.44765.12954.4275
H93.34242.10781.07082.14793.37333.83944.42752.55892.47404.26364.9097
H103.80893.33802.12301.07092.12863.36265.12954.44762.47402.45594.2636
H113.33803.80893.36262.12861.07092.12304.44765.12954.26362.45592.4740
H122.10783.34243.83943.37332.14791.07082.55894.42754.90974.26362.4740

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.727 C1 C2 F8 119.195
C1 C6 C5 119.010 C1 C6 H12 119.065
C2 C1 C6 120.727 C2 C1 F7 119.195
C2 C3 C4 119.010 C2 C3 H9 119.065
C3 C2 F8 120.078 C3 C4 C5 120.263
C3 C4 H10 119.522 C4 C3 H9 121.925
C4 C5 C6 120.263 C4 C5 H11 120.215
C5 C4 H10 120.215 C5 C6 H12 121.925
C6 C1 F7 120.078 C6 C5 H11 119.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.261      
2 C 0.261      
3 C -0.103      
4 C -0.095      
5 C -0.095      
6 C -0.103      
7 F -0.264      
8 F -0.264      
9 H 0.102      
10 H 0.099      
11 H 0.099      
12 H 0.102      


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 2.742 2.742
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.901 0.000 0.000
y 0.000 -40.635 0.000
z 0.000 0.000 -44.780
Traceless
 xyz
x -4.194 0.000 0.000
y 0.000 5.205 0.000
z 0.000 0.000 -1.012
Polar
3z2-r2-2.024
x2-y2-6.266
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.690 0.000 0.000
y 0.000 10.884 0.000
z 0.000 0.000 10.986


<r2> (average value of r2) Å2
<r2> 225.443
(<r2>)1/2 15.015