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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-430.511290
Energy at 298.15K-430.515859
Nuclear repulsion energy340.840606
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 BLYP/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 3165 3141 2.33      
2 A1 3146 3122 16.27      
3 A1 1596 1584 8.11      
4 A1 1502 1491 103.73      
5 A1 1341 1331 0.19      
6 A1 1253 1243 82.95      
7 A1 1182 1173 1.70      
8 A1 1027 1020 5.68      
9 A1 743 737 25.06      
10 A1 570 565 5.97      
11 A1 266 264 0.39      
12 A2 964 956 0.00      
13 A2 842 835 0.00      
14 A2 668 663 0.00      
15 A2 543 538 0.00      
16 A2 182 181 0.00      
17 B1 927 920 5.12      
18 B1 757 751 77.06      
19 B1 453 449 1.98      
20 B1 281 279 0.13      
21 B2 3160 3136 7.86      
22 B2 3131 3107 2.67      
23 B2 1590 1578 3.20      
24 B2 1464 1453 6.83      
25 B2 1273 1263 0.95      
26 B2 1187 1178 18.79      
27 B2 1105 1096 21.60      
28 B2 840 834 15.12      
29 B2 524 520 3.49      
30 B2 422 419 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 18050.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 17913.2 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 BLYP/6-31G
ABC
0.10469 0.07131 0.04242

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.706 -0.537
C2 0.000 -0.706 -0.537
C3 0.000 -1.412 0.677
C4 0.000 -0.706 1.896
C5 0.000 0.706 1.896
C6 0.000 1.412 0.677
F7 0.000 1.387 -1.745
F8 0.000 -1.387 -1.745
H9 0.000 -2.503 0.647
H10 0.000 -1.256 2.839
H11 0.000 1.256 2.839
H12 0.000 2.503 0.647

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.41122.44102.81282.43311.40461.38642.41593.42043.90513.42112.1527
C21.41121.40462.43312.81282.44102.41591.38642.15273.42113.90513.4204
C32.44101.40461.40902.44372.82423.70112.42161.09142.16813.43473.9153
C42.81282.43311.40901.41162.44374.19923.70372.18851.09232.17713.4432
C52.43312.81282.44371.41161.40903.70374.19923.44322.17711.09232.1885
C61.40462.44102.82422.44371.40902.42163.70113.91533.43472.16811.0914
F71.38642.41593.70114.19923.70372.42162.77404.56675.29154.58582.6396
F82.41591.38642.42163.70374.19923.70112.77402.63964.58585.29154.5667
H93.42042.15271.09142.18853.44323.91534.56672.63962.52184.35185.0062
H103.90513.42112.16811.09232.17713.43475.29154.58582.52182.51264.3518
H113.42113.90513.43472.17711.09232.16814.58585.29154.35182.51262.5218
H122.15273.42043.91533.44322.18851.09142.63964.56675.00624.35182.5218

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.198 C1 C2 F8 119.437
C1 C6 C5 119.715 C1 C6 H12 118.651
C2 C1 C6 120.198 C2 C1 F7 119.437
C2 C3 C4 119.715 C2 C3 H9 118.651
C3 C2 F8 120.365 C3 C4 C5 120.087
C3 C4 H10 119.647 C4 C3 H9 121.633
C4 C5 C6 120.087 C4 C5 H11 120.266
C5 C4 H10 120.266 C5 C6 H12 121.633
C6 C1 F7 120.365 C6 C5 H11 119.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.244      
2 C 0.244      
3 C -0.114      
4 C -0.093      
5 C -0.093      
6 C -0.114      
7 F -0.278      
8 F -0.278      
9 H 0.129      
10 H 0.112      
11 H 0.112      
12 H 0.129      


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 2.982 2.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.680 0.000 0.000
y 0.000 -40.818 0.000
z 0.000 0.000 -44.628
Traceless
 xyz
x -2.957 0.000 0.000
y 0.000 4.337 0.000
z 0.000 0.000 -1.379
Polar
3z2-r2-2.758
x2-y2-4.863
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.956 0.000 0.000
y 0.000 10.725 0.000
z 0.000 0.000 11.286


<r2> (average value of r2) Å2
<r2> 237.706
(<r2>)1/2 15.418