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

using model chemistry: wB97X-D/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-430.608339
Energy at 298.15K 
HF Energy-430.608339
Nuclear repulsion energy342.937663
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/6-31G(2df,p)
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 3243 3243 0.00 261.11 0.16 0.27
2 Ag 1693 1693 0.00 5.96 0.67 0.80
3 Ag 1331 1331 0.00 15.77 0.14 0.25
4 Ag 1169 1169 0.00 8.78 0.69 0.82
5 Ag 884 884 0.00 32.73 0.08 0.15
6 Ag 460 460 0.00 4.27 0.42 0.59
7 Au 971 971 0.00 0.00 0.00 0.00
8 Au 438 438 0.00 0.00 0.00 0.00
9 B1g 841 841 0.00 3.08 0.75 0.86
10 B1u 3227 3227 6.35 0.00 0.00 0.00
11 B1u 1570 1570 272.87 0.00 0.00 0.00
12 B1u 1273 1273 143.43 0.00 0.00 0.00
13 B1u 1030 1030 1.86 0.00 0.00 0.00
14 B1u 764 764 48.28 0.00 0.00 0.00
15 B2g 965 965 0.00 1.64 0.75 0.86
16 B2g 727 727 0.00 0.08 0.75 0.86
17 B2g 392 392 0.00 3.74 0.75 0.86
18 B2u 3241 3241 1.25 0.00 0.16 0.27
19 B2u 1460 1460 0.34 0.00 0.00 0.00
20 B2u 1325 1325 1.35 0.00 0.14 0.24
21 B2u 1114 1114 13.20 0.00 0.00 0.00
22 B2u 356 356 3.55 0.00 0.00 0.00
23 B3g 3229 3229 0.00 117.74 0.75 0.86
24 B3g 1677 1677 0.00 6.33 0.75 0.86
25 B3g 1295 1295 0.00 2.52 0.75 0.86
26 B3g 652 652 0.00 6.53 0.75 0.86
27 B3g 454 454 0.00 0.05 0.75 0.86
28 B3u 874 874 71.13 0.00 0.00 0.00
29 B3u 535 535 11.39 0.00 0.00 0.00
30 B3u 164 164 1.27 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18676.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18676.4 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/6-31G(2df,p)
ABC
0.19028 0.04794 0.03830

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.369
C2 0.000 0.000 -1.369
C3 0.000 1.209 0.694
C4 0.000 -1.209 0.694
C5 0.000 -1.209 -0.694
C6 0.000 1.209 -0.694
F7 0.000 0.000 2.701
F8 0.000 0.000 -2.701
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
C12.73861.38501.38502.39192.39191.33124.06992.13862.13863.38403.3840
C22.73862.39192.39191.38501.38504.06991.33123.38403.38402.13862.1386
C31.38502.39192.41882.78911.38862.34263.60381.08303.39173.87182.1587
C41.38502.39192.41881.38862.78912.34263.60383.39171.08302.15873.8718
C52.39191.38502.78911.38862.41883.60382.34263.87182.15871.08303.3917
C62.39191.38501.38862.78912.41883.60382.34262.15873.87183.39171.0830
F71.33124.06992.34262.34263.60383.60385.40112.57842.57844.49584.4958
F84.06991.33123.60383.60382.34262.34265.40114.49584.49582.57842.5784
H92.13863.38401.08303.39173.87182.15872.57844.49584.27114.95472.5114
H102.13863.38403.39171.08302.15873.87182.57844.49584.27112.51144.9547
H113.38402.13863.87182.15871.08303.39174.49582.57844.95472.51144.2711
H123.38402.13862.15873.87183.39171.08304.49582.57842.51144.95474.2711

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 119.168 C1 C3 H9 119.608
C1 C4 C5 119.168 C1 C4 H10 119.608
C2 C5 C4 119.168 C2 C5 H11 119.608
C2 C6 C3 119.168 C2 C6 H12 119.608
C3 C1 C4 121.664 C3 C1 F7 119.168
C3 C6 H12 121.224 C4 C1 F7 119.168
C4 C5 H11 121.224 C5 C2 C6 121.664
C5 C2 F8 119.168 C5 C4 H10 121.224
C6 C2 F8 119.168 C6 C3 H9 121.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.325      
2 C 0.325      
3 C -0.265      
4 C -0.265      
5 C -0.265      
6 C -0.265      
7 F -0.104      
8 F -0.104      
9 H 0.155      
10 H 0.155      
11 H 0.155      
12 H 0.155      


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 -45.064 0.000 0.000
y 0.000 -36.455 0.000
z 0.000 0.000 -48.805
Traceless
 xyz
x -2.434 0.000 0.000
y 0.000 10.480 0.000
z 0.000 0.000 -8.046
Polar
3z2-r2-16.091
x2-y2-8.609
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.230 0.000 0.000
y 0.000 10.726 0.000
z 0.000 0.000 11.143


<r2> (average value of r2) Å2
<r2> 252.129
(<r2>)1/2 15.879