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

using model chemistry: wB97X-D/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-430.635710
Energy at 298.15K 
HF Energy-430.635710
Nuclear repulsion energy341.080560
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/aug-cc-pVDZ
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 3245 3107 0.00 288.93 0.13 0.23
2 Ag 1684 1613 0.00 4.60 0.75 0.86
3 Ag 1287 1232 0.00 34.15 0.06 0.11
4 Ag 1160 1111 0.00 8.01 0.59 0.74
5 Ag 874 836 0.00 39.67 0.05 0.09
6 Ag 456 437 0.00 5.58 0.32 0.48
7 Au 971 930 0.00 0.00 0.00 0.00
8 Au 436 418 0.00 0.00 0.00 0.00
9 B1g 823 788 0.00 0.63 0.75 0.86
10 B1u 3230 3092 4.41 0.00 0.00 0.00
11 B1u 1548 1481 266.26 0.00 0.00 0.00
12 B1u 1223 1171 187.71 0.00 0.00 0.00
13 B1u 1026 982 6.34 0.00 0.00 0.00
14 B1u 746 714 66.89 0.00 0.00 0.00
15 B2g 955 914 0.00 0.01 0.75 0.86
16 B2g 720 689 0.00 0.91 0.75 0.86
17 B2g 379 362 0.00 2.97 0.75 0.86
18 B2u 3244 3106 0.33 0.00 0.13 0.00
19 B2u 1455 1393 0.57 0.00 0.00 0.00
20 B2u 1346 1288 0.02 0.00 0.17 0.29
21 B2u 1107 1060 11.11 0.00 0.00 0.00
22 B2u 350 335 4.61 0.00 0.00 0.00
23 B3g 3232 3094 0.00 113.20 0.75 0.86
24 B3g 1691 1619 0.00 9.22 0.75 0.86
25 B3g 1292 1237 0.00 1.29 0.75 0.86
26 B3g 648 620 0.00 5.22 0.75 0.86
27 B3g 449 430 0.00 0.04 0.75 0.86
28 B3u 865 828 80.90 0.00 0.00 0.00
29 B3u 519 496 20.73 0.00 0.00 0.00
30 B3u 160 153 1.72 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18560.0 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 17767.5 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/aug-cc-pVDZ
ABC
0.18824 0.04748 0.03792

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.365
C2 0.000 0.000 -1.365
C3 0.000 1.216 0.697
C4 0.000 -1.216 0.697
C5 0.000 -1.216 -0.697
C6 0.000 1.216 -0.697
F7 0.000 0.000 2.717
F8 0.000 0.000 -2.717
H9 0.000 2.147 1.262
H10 0.000 -2.147 1.262
H11 0.000 -2.147 -1.262
H12 0.000 2.147 -1.262

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.73051.38751.38752.39412.39411.35214.08262.14902.14903.39253.3925
C22.73052.39412.39411.38751.38754.08261.35213.39253.39252.14902.1490
C31.38752.39412.43212.80331.39412.35803.62441.08843.40973.89152.1686
C41.38752.39412.43211.39412.80332.35803.62443.40971.08842.16863.8915
C52.39411.38752.80331.39412.43213.62442.35803.89152.16861.08843.4097
C62.39411.38751.39412.80332.43213.62442.35802.16863.89153.40971.0884
F71.35214.08262.35802.35803.62443.62445.43462.59352.59354.52124.5212
F84.08261.35213.62443.62442.35802.35805.43464.52124.52122.59352.5935
H92.14903.39251.08843.40973.89152.16862.59354.52124.29304.97982.5236
H102.14903.39253.40971.08842.16863.89152.59354.52124.29302.52364.9798
H113.39252.14903.89152.16861.08843.40974.52122.59354.97982.52364.2930
H123.39252.14902.16863.89153.40971.08844.52122.59352.52364.97984.2930

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 118.788 C1 C3 H9 119.956
C1 C4 C5 118.788 C1 C4 H10 119.956
C2 C5 C4 118.788 C2 C5 H11 119.956
C2 C6 C3 118.788 C2 C6 H12 119.956
C3 C1 C4 122.423 C3 C1 F7 118.788
C3 C6 H12 121.256 C4 C1 F7 118.788
C4 C5 H11 121.256 C5 C2 C6 122.423
C5 C2 F8 118.788 C5 C4 H10 121.256
C6 C2 F8 118.788 C6 C3 H9 121.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.264      
2 C 0.264      
3 C 0.696      
4 C 0.696      
5 C 0.696      
6 C 0.696      
7 F -0.572      
8 F -0.572      
9 H -0.542      
10 H -0.542      
11 H -0.542      
12 H -0.542      


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 -46.696 0.000 0.000
y 0.000 -36.646 0.000
z 0.000 0.000 -52.111
Traceless
 xyz
x -2.318 0.000 0.000
y 0.000 12.757 0.000
z 0.000 0.000 -10.440
Polar
3z2-r2-20.879
x2-y2-10.050
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.401 0.000 0.000
y 0.000 11.849 0.000
z 0.000 0.000 12.392


<r2> (average value of r2) Å2
<r2> 255.426
(<r2>)1/2 15.982