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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-428.405400
Energy at 298.15K-428.410620
Nuclear repulsion energy350.440193
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/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 3388 3058 2.79      
2 A1 3372 3043 13.33      
3 A1 1815 1638 35.49      
4 A1 1698 1532 215.30      
5 A1 1422 1283 118.57      
6 A1 1322 1194 4.41      
7 A1 1208 1090 0.80      
8 A1 1123 1013 7.52      
9 A1 841 759 36.49      
10 A1 627 566 4.85      
11 A1 307 277 0.47      
12 A2 1104 997 0.00      
13 A2 965 871 0.00      
14 A2 765 691 0.00      
15 A2 612 553 0.00      
16 A2 211 191 0.00      
17 B1 1066 962 8.31      
18 B1 856 772 91.92      
19 B1 512 462 1.00      
20 B1 328 296 0.37      
21 B2 3383 3054 7.35      
22 B2 3357 3030 1.72      
23 B2 1817 1640 8.31      
24 B2 1624 1466 17.15      
25 B2 1407 1270 10.74      
26 B2 1340 1210 41.67      
27 B2 1210 1092 15.68      
28 B2 924 834 18.06      
29 B2 595 537 5.05      
30 B2 476 430 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 19837.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 17904.8 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 HF/6-31G**
ABC
0.11078 0.07549 0.04490

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.684 -0.530
C2 0.000 -0.684 -0.530
C3 0.000 -1.384 0.650
C4 0.000 -0.692 1.845
C5 0.000 0.692 1.845
C6 0.000 1.384 0.650
F7 0.000 1.331 -1.686
F8 0.000 -1.331 -1.686
H9 0.000 -2.456 0.615
H10 0.000 -1.233 2.771
H11 0.000 1.233 2.771
H12 0.000 2.456 0.615

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.36802.38062.74482.37511.37141.32522.32313.34183.81763.34652.1092
C21.36801.37142.37512.74482.38062.32311.32522.10923.34653.81763.3418
C32.38061.37141.38182.39552.76803.58142.33671.07222.12723.36943.8399
C42.74482.37511.38181.38342.39554.06993.58932.15081.07282.13623.3794
C52.37512.74482.39551.38341.38183.58934.06993.37942.13621.07282.1508
C61.37142.38062.76802.39551.38182.33673.58143.83993.36942.12721.0722
F71.32522.32313.58144.06993.58932.33672.66124.43085.14274.45902.5616
F82.32311.32522.33673.58934.06993.58142.66122.56164.45905.14274.4308
H93.34182.10921.07222.15083.37943.83994.43082.56162.47894.27324.9114
H103.81763.34652.12721.07282.13623.36945.14274.45902.47892.46684.2732
H113.34653.81763.36942.13621.07282.12724.45905.14274.27322.46682.4789
H122.10923.34183.83993.37942.15081.07222.56164.43084.91144.27322.4789

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.693 C1 C2 F8 119.202
C1 C6 C5 119.239 C1 C6 H12 118.832
C2 C1 C6 120.693 C2 C1 F7 119.202
C2 C3 C4 119.239 C2 C3 H9 118.832
C3 C2 F8 120.105 C3 C4 C5 120.069
C3 C4 H10 119.604 C4 C3 H9 121.930
C4 C5 C6 120.069 C4 C5 H11 120.327
C5 C4 H10 120.327 C5 C6 H12 121.930
C6 C1 F7 120.105 C6 C5 H11 119.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.384      
2 C 0.384      
3 C -0.206      
4 C -0.149      
5 C -0.149      
6 C -0.206      
7 F -0.375      
8 F -0.375      
9 H 0.181      
10 H 0.164      
11 H 0.164      
12 H 0.181      


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 2.842 2.842
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.222 0.000 0.000
y 0.000 -40.167 0.000
z 0.000 0.000 -44.072
Traceless
 xyz
x -4.103 0.000 0.000
y 0.000 4.981 0.000
z 0.000 0.000 -0.877
Polar
3z2-r2-1.755
x2-y2-6.056
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.429 0.000 0.000
y 0.000 10.005 0.000
z 0.000 0.000 10.087


<r2> (average value of r2) Å2
<r2> 226.298
(<r2>)1/2 15.043