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

using model chemistry: wB97X-D/SDD

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/SDD
 hartrees
Energy at 0K-430.565626
Energy at 298.15K 
HF Energy-430.565626
Nuclear repulsion energy337.513608
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/SDD
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 3291 3291 0.00 255.28 0.14 0.24
2 Ag 1693 1693 0.00 7.40 0.71 0.83
3 Ag 1264 1264 0.00 18.00 0.12 0.21
4 Ag 1197 1197 0.00 9.66 0.62 0.77
5 Ag 856 856 0.00 37.74 0.12 0.21
6 Ag 453 453 0.00 6.76 0.50 0.67
7 Au 1005 1005 0.00 0.00 0.00 0.00
8 Au 438 438 0.00 0.00 0.00 0.00
9 B1g 854 854 0.00 0.22 0.75 0.86
10 B1u 3271 3271 4.21 0.00 0.00 0.00
11 B1u 1558 1558 213.93 0.00 0.00 0.00
12 B1u 1219 1219 127.34 0.00 0.00 0.00
13 B1u 1044 1044 9.86 0.00 0.00 0.00
14 B1u 729 729 58.67 0.00 0.00 0.00
15 B2g 992 992 0.00 0.19 0.75 0.86
16 B2g 737 737 0.00 0.00 0.75 0.86
17 B2g 376 376 0.00 3.93 0.75 0.86
18 B2u 3288 3288 1.42 0.00 0.00 0.00
19 B2u 1465 1465 0.10 0.00 0.00 0.00
20 B2u 1367 1367 0.18 0.00 0.00 0.00
21 B2u 1139 1139 15.66 0.00 0.00 0.00
22 B2u 334 334 7.71 0.00 0.00 0.00
23 B3g 3272 3272 0.00 93.84 0.75 0.86
24 B3g 1693 1693 0.00 14.34 0.75 0.86
25 B3g 1337 1337 0.00 0.61 0.75 0.86
26 B3g 654 654 0.00 10.03 0.75 0.86
27 B3g 437 437 0.00 0.25 0.75 0.86
28 B3u 887 887 127.19 0.00 0.00 0.00
29 B3u 527 527 25.84 0.00 0.00 0.00
30 B3u 159 159 3.52 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18767.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18767.5 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/SDD
ABC
0.18559 0.04631 0.03706

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

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 1.226 0.701
C4 0.000 -1.226 0.701
C5 0.000 -1.226 -0.701
C6 0.000 1.226 -0.701
F7 0.000 0.000 2.759
F8 0.000 0.000 -2.759
H9 0.000 2.150 1.266
H10 0.000 -2.150 1.266
H11 0.000 -2.150 -1.266
H12 0.000 2.150 -1.266

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.73131.39491.39492.40312.40311.39314.12442.15242.15243.39823.3982
C22.73132.40312.40311.39491.39494.12441.39313.39823.39822.15242.1524
C31.39492.40312.45282.82521.40202.39553.67071.08273.42343.90762.1730
C41.39492.40312.45281.40202.82522.39553.67073.42341.08272.17303.9076
C52.40311.39492.82521.40202.45283.67072.39553.90762.17301.08273.4234
C62.40311.39491.40202.82522.45283.67072.39552.17303.90763.42341.0827
F71.39314.12442.39552.39553.67073.67075.51752.61752.61754.56304.5630
F84.12441.39313.67073.67072.39552.39555.51754.56304.56302.61752.6175
H92.15243.39821.08273.42343.90762.17302.61754.56304.30014.99022.5319
H102.15243.39823.42341.08272.17303.90762.61754.56304.30012.53194.9902
H113.39822.15243.90762.17301.08273.42344.56302.61754.99022.53194.3001
H123.39822.15242.17303.90763.42341.08274.56302.61752.53194.99024.3001

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 118.454 C1 C3 H9 120.094
C1 C4 C5 118.454 C1 C4 H10 120.094
C2 C5 C4 118.454 C2 C5 H11 120.094
C2 C6 C3 118.454 C2 C6 H12 120.094
C3 C1 C4 123.091 C3 C1 F7 118.454
C3 C6 H12 121.451 C4 C1 F7 118.454
C4 C5 H11 121.451 C5 C2 C6 123.091
C5 C2 F8 118.454 C5 C4 H10 121.451
C6 C2 F8 118.454 C6 C3 H9 121.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.354      
2 C 0.354      
3 C -0.317      
4 C -0.317      
5 C -0.317      
6 C -0.317      
7 F -0.249      
8 F -0.249      
9 H 0.265      
10 H 0.265      
11 H 0.265      
12 H 0.265      


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 -46.766 0.000 0.000
y 0.000 -35.363 0.000
z 0.000 0.000 -55.849
Traceless
 xyz
x -1.160 0.000 0.000
y 0.000 15.944 0.000
z 0.000 0.000 -14.784
Polar
3z2-r2-29.569
x2-y2-11.403
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.756 0.000 0.000
y 0.000 10.057 0.000
z 0.000 0.000 10.890


<r2> (average value of r2) Å2
<r2> 260.890
(<r2>)1/2 16.152