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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-430.617222
Energy at 298.15K-430.622008
Nuclear repulsion energy343.798816
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 B3LYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3249 3126 1.41      
2 A1 3230 3108 12.53      
3 A1 1667 1603 11.00      
4 A1 1560 1501 118.35      
5 A1 1374 1322 0.10      
6 A1 1304 1254 76.95      
7 A1 1215 1168 0.90      
8 A1 1061 1021 6.08      
9 A1 772 743 28.04      
10 A1 589 567 5.88      
11 A1 276 265 0.54      
12 A2 1013 974 0.00      
13 A2 883 849 0.00      
14 A2 702 675 0.00      
15 A2 563 542 0.00      
16 A2 190 183 0.00      
17 B1 974 937 6.31      
18 B1 788 758 90.16      
19 B1 471 453 1.98      
20 B1 293 282 0.27      
21 B2 3244 3121 3.89      
22 B2 3216 3093 2.32      
23 B2 1661 1598 3.31      
24 B2 1513 1455 9.11      
25 B2 1315 1265 1.03      
26 B2 1234 1187 23.28      
27 B2 1141 1098 20.21      
28 B2 869 836 14.96      
29 B2 543 523 3.84      
30 B2 436 420 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 18672.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 17963.0 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 B3LYP/6-31G
ABC
0.10653 0.07258 0.04317

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.698 -0.531
C2 0.000 -0.698 -0.531
C3 0.000 -1.401 0.670
C4 0.000 -0.700 1.880
C5 0.000 0.700 1.880
C6 0.000 1.401 0.670
F7 0.000 1.373 -1.729
F8 0.000 -1.373 -1.729
H9 0.000 -2.483 0.638
H10 0.000 -1.247 2.816
H11 0.000 1.247 2.816
H12 0.000 2.483 0.638

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.39522.41752.78662.41061.39141.37562.39223.38913.87063.39152.1345
C21.39521.39142.41062.78662.41752.39221.37562.13453.39153.87063.3891
C32.41751.39141.39802.42442.80133.66722.39941.08322.15153.40803.8842
C42.78662.41061.39801.40052.42444.16213.67122.17271.08402.16053.4171
C52.41062.78662.42441.40051.39803.67124.16213.41712.16051.08402.1727
C61.39142.41752.80132.42441.39802.39943.66723.88423.40802.15151.0832
F71.37562.39223.66724.16213.67122.39942.74554.52505.24614.54692.6153
F82.39221.37562.39943.67124.16213.66722.74552.61534.54695.24614.5250
H93.38912.13451.08322.17273.41713.88424.52502.61532.50404.31934.9668
H103.87063.39152.15151.08402.16053.40805.24614.54692.50402.49384.3193
H113.39153.87063.40802.16051.08402.15154.54695.24614.31932.49382.5040
H122.13453.38913.88423.41712.17271.08322.61534.52504.96684.31932.5040

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.350 C1 C2 F8 119.393
C1 C6 C5 119.584 C1 C6 H12 118.683
C2 C1 C6 120.350 C2 C1 F7 119.393
C2 C3 C4 119.584 C2 C3 H9 118.683
C3 C2 F8 120.257 C3 C4 C5 120.066
C3 C4 H10 119.651 C4 C3 H9 121.733
C4 C5 C6 120.066 C4 C5 H11 120.283
C5 C4 H10 120.283 C5 C6 H12 121.733
C6 C1 F7 120.257 C6 C5 H11 119.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.271      
2 C 0.271      
3 C -0.141      
4 C -0.121      
5 C -0.121      
6 C -0.141      
7 F -0.314      
8 F -0.314      
9 H 0.161      
10 H 0.143      
11 H 0.143      
12 H 0.161      


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 3.280 3.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.745 0.000 0.000
y 0.000 -40.688 0.000
z 0.000 0.000 -44.851
Traceless
 xyz
x -2.976 0.000 0.000
y 0.000 4.610 0.000
z 0.000 0.000 -1.634
Polar
3z2-r2-3.268
x2-y2-5.058
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.916 0.000 0.000
y 0.000 10.329 0.000
z 0.000 0.000 10.779


<r2> (average value of r2) Å2
<r2> 234.128
(<r2>)1/2 15.301