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All results from a given calculation for C6H4F2 (1,4-difluorobenzene)

using model chemistry: wB97X-D/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at wB97X-D/6-311G*
 hartrees
Energy at 0K-430.687113
Energy at 298.15K 
HF Energy-430.687113
Nuclear repulsion energy342.309494
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 wB97X-D/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3235 3235 0.00 266.39 0.18 0.30
2 Ag 1698 1698 0.00 5.52 0.64 0.78
3 Ag 1303 1303 0.00 20.24 0.11 0.20
4 Ag 1176 1176 0.00 6.10 0.66 0.79
5 Ag 880 880 0.00 31.32 0.09 0.17
6 Ag 461 461 0.00 4.88 0.47 0.64
7 Au 969 969 0.00 0.00 0.00 0.00
8 Au 439 439 0.00 0.00 0.00 0.00
9 B1g 825 825 0.00 0.41 0.75 0.86
10 B1u 3219 3219 7.89 0.00 0.00 0.00
11 B1u 1570 1570 267.25 0.00 0.00 0.00
12 B1u 1252 1252 178.51 0.00 0.00 0.00
13 B1u 1038 1038 3.01 0.00 0.00 0.00
14 B1u 756 756 63.93 0.00 0.00 0.00
15 B2g 948 948 0.00 0.49 0.75 0.86
16 B2g 717 717 0.00 0.26 0.75 0.86
17 B2g 388 388 0.00 3.85 0.75 0.86
18 B2u 3233 3233 3.02 0.00 0.18 0.30
19 B2u 1468 1468 0.73 0.00 0.00 0.00
20 B2u 1330 1330 0.45 0.00 0.15 0.25
21 B2u 1120 1120 15.47 0.00 0.00 0.00
22 B2u 353 353 4.70 0.00 0.00 0.00
23 B3g 3221 3221 0.00 119.81 0.75 0.86
24 B3g 1687 1687 0.00 7.91 0.75 0.86
25 B3g 1314 1314 0.00 1.36 0.75 0.86
26 B3g 655 655 0.00 7.56 0.75 0.86
27 B3g 455 455 0.00 0.10 0.75 0.86
28 B3u 866 866 98.88 0.00 0.00 0.00
29 B3u 527 527 18.99 0.00 0.00 0.00
30 B3u 163 163 1.58 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18632.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18632.3 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 wB97X-D/6-311G*
ABC
0.19012 0.04772 0.03815

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.366
C2 0.000 0.000 -1.366
C3 0.000 1.210 0.695
C4 0.000 -1.210 0.695
C5 0.000 -1.210 -0.695
C6 0.000 1.210 -0.695
F7 0.000 0.000 2.709
F8 0.000 0.000 -2.709
H9 0.000 2.136 1.256
H10 0.000 -2.136 1.256
H11 0.000 -2.136 -1.256
H12 0.000 2.136 -1.256

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.73241.38391.38392.38972.38971.34324.07562.13902.13903.38263.3826
C22.73242.38972.38971.38391.38394.07561.34323.38263.38262.13902.1390
C31.38392.38972.42002.79031.38912.35033.61261.08333.39303.87342.1597
C41.38392.38972.42001.38912.79032.35033.61263.39301.08332.15973.8734
C52.38971.38392.79031.38912.42003.61262.35033.87342.15971.08333.3930
C62.38971.38391.38912.79032.42003.61262.35032.15973.87343.39301.0833
F71.34324.07562.35032.35033.61263.61265.41882.58352.58354.50464.5046
F84.07561.34323.61263.61262.35032.35035.41884.50464.50462.58352.5835
H92.13903.38261.08333.39303.87342.15972.58354.50464.27244.95662.5129
H102.13903.38263.39301.08332.15973.87342.58354.50464.27242.51294.9566
H113.38262.13903.87342.15971.08333.39304.50462.58354.95662.51294.2724
H123.38262.13902.15973.87343.39301.08334.50462.58352.51294.95664.2724

picture of 1,4-difluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.035 C1 C3 H9 119.720
C1 C4 C5 119.035 C1 C4 H10 119.720
C2 C5 C4 119.035 C2 C5 H11 119.720
C2 C6 C3 119.035 C2 C6 H12 119.720
C3 C1 C4 121.930 C3 C1 F7 119.035
C3 C6 H12 121.245 C4 C1 F7 119.035
C4 C5 H11 121.245 C5 C2 C6 121.930
C5 C2 F8 119.035 C5 C4 H10 121.245
C6 C2 F8 119.035 C6 C3 H9 121.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.316      
2 C 0.316      
3 C -0.277      
4 C -0.277      
5 C -0.277      
6 C -0.277      
7 F -0.236      
8 F -0.236      
9 H 0.237      
10 H 0.237      
11 H 0.237      
12 H 0.237      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.475 0.000 0.000
y 0.000 -36.514 0.000
z 0.000 0.000 -50.811
Traceless
 xyz
x -2.812 0.000 0.000
y 0.000 12.129 0.000
z 0.000 0.000 -9.316
Polar
3z2-r2-18.633
x2-y2-9.961
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.124 0.000 0.000
y 0.000 10.658 0.000
z 0.000 0.000 10.984


<r2> (average value of r2) Å2
<r2> 253.671
(<r2>)1/2 15.927