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

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-430.758479
Energy at 298.15K 
HF Energy-430.758479
Nuclear repulsion energy343.034583
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/Def2TZVPP
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 3239 3094 0.00 282.32 0.14 0.25
2 Ag 1688 1612 0.00 4.92 0.71 0.83
3 Ag 1301 1243 0.00 26.81 0.06 0.12
4 Ag 1172 1120 0.00 7.11 0.62 0.77
5 Ag 882 842 0.00 36.47 0.06 0.11
6 Ag 462 442 0.00 5.16 0.39 0.56
7 Au 988 943 0.00 0.00 0.00 0.00
8 Au 441 421 0.00 0.00 0.00 0.00
9 B1g 831 794 0.00 0.05 0.75 0.86
10 B1u 3224 3079 3.94 0.00 0.00 0.00
11 B1u 1564 1494 269.49 0.00 0.00 0.00
12 B1u 1251 1195 193.22 0.00 0.00 0.00
13 B1u 1038 991 2.15 0.00 0.00 0.00
14 B1u 760 726 62.92 0.00 0.00 0.00
15 B2g 967 924 0.00 0.04 0.75 0.86
16 B2g 731 698 0.00 0.51 0.75 0.86
17 B2g 385 368 0.00 3.06 0.75 0.86
18 B2u 3238 3093 0.11 0.00 0.14 0.25
19 B2u 1466 1400 0.69 0.00 0.00 0.00
20 B2u 1324 1265 0.21 0.00 0.00 0.00
21 B2u 1118 1068 13.04 0.00 0.00 0.00
22 B2u 356 340 4.13 0.00 0.00 0.00
23 B3g 3226 3081 0.00 112.43 0.75 0.86
24 B3g 1684 1608 0.00 8.68 0.75 0.86
25 B3g 1314 1255 0.00 1.35 0.75 0.86
26 B3g 655 625 0.00 6.42 0.75 0.86
27 B3g 458 437 0.00 0.05 0.75 0.86
28 B3u 873 834 78.55 0.00 0.00 0.00
29 B3u 529 505 20.39 0.00 0.00 0.00
30 B3u 162 155 1.43 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18661.5 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 17825.4 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/Def2TZVPP
ABC
0.19069 0.04796 0.03832

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.362
C2 0.000 0.000 -1.362
C3 0.000 1.208 0.693
C4 0.000 -1.208 0.693
C5 0.000 -1.208 -0.693
C6 0.000 1.208 -0.693
F7 0.000 0.000 2.703
F8 0.000 0.000 -2.703
H9 0.000 2.132 1.253
H10 0.000 -2.132 1.253
H11 0.000 -2.132 -1.253
H12 0.000 2.132 -1.253

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.72401.38111.38112.38402.38401.34084.06492.13512.13513.37443.3744
C22.72402.38402.38401.38111.38114.06491.34083.37443.37442.13512.1351
C31.38112.38402.41652.78591.38632.34503.60451.08063.38723.86632.1546
C41.38112.38402.41651.38632.78592.34503.60453.38721.08062.15463.8663
C52.38401.38112.78591.38632.41653.60452.34503.86632.15461.08063.3872
C62.38401.38111.38632.78592.41653.60452.34502.15463.86633.38721.0806
F71.34084.06492.34502.34503.60453.60455.40572.57842.57844.49424.4942
F84.06491.34083.60453.60452.34502.34505.40574.49424.49422.57842.5784
H92.13513.37441.08063.38723.86632.15462.57844.49424.26474.94672.5066
H102.13513.37443.38721.08062.15463.86632.57844.49424.26472.50664.9467
H113.37442.13513.86632.15461.08063.38724.49422.57844.94672.50664.2647
H123.37442.13512.15463.86633.38721.08064.49422.57842.50664.94674.2647

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 118.969 C1 C3 H9 119.807
C1 C4 C5 118.969 C1 C4 H10 119.807
C2 C5 C4 118.969 C2 C5 H11 119.807
C2 C6 C3 118.969 C2 C6 H12 119.807
C3 C1 C4 122.062 C3 C1 F7 118.969
C3 C6 H12 121.224 C4 C1 F7 118.969
C4 C5 H11 121.224 C5 C2 C6 122.062
C5 C2 F8 118.969 C5 C4 H10 121.224
C6 C2 F8 118.969 C6 C3 H9 121.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.260      
2 C 0.260      
3 C -0.151      
4 C -0.151      
5 C -0.151      
6 C -0.151      
7 F -0.211      
8 F -0.211      
9 H 0.126      
10 H 0.126      
11 H 0.126      
12 H 0.126      


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 -46.207 0.000 0.000
y 0.000 -36.793 0.000
z 0.000 0.000 -51.031
Traceless
 xyz
x -2.295 0.000 0.000
y 0.000 11.826 0.000
z 0.000 0.000 -9.531
Polar
3z2-r2-19.062
x2-y2-9.414
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.728 0.000 0.000
y 0.000 11.305 0.000
z 0.000 0.000 11.815


<r2> (average value of r2) Å2
<r2> 252.700
(<r2>)1/2 15.897