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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-84.577844
Energy at 298.15K-84.582488
Nuclear repulsion energy174.827511
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/CEP-121G
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 3204 3122 3.77      
2 A1 3183 3102 17.14      
3 A1 1631 1590 13.01      
4 A1 1515 1476 128.29      
5 A1 1341 1306 0.04      
6 A1 1255 1223 93.64      
7 A1 1185 1155 1.84      
8 A1 1030 1004 9.17      
9 A1 740 721 32.79      
10 A1 569 554 6.57      
11 A1 268 261 0.58      
12 A2 985 960 0.00      
13 A2 865 843 0.00      
14 A2 636 620 0.00      
15 A2 542 528 0.00      
16 A2 183 178 0.00      
17 B1 961 937 4.49      
18 B1 786 766 105.93      
19 B1 453 441 3.10      
20 B1 280 273 0.08      
21 B2 3198 3116 8.44      
22 B2 3166 3086 2.99      
23 B2 1620 1579 4.67      
24 B2 1467 1430 11.28      
25 B2 1282 1249 0.19      
26 B2 1182 1152 20.22      
27 B2 1104 1076 32.74      
28 B2 839 818 18.85      
29 B2 527 514 4.00      
30 B2 420 410 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 18208.3 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 17744.0 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/CEP-121G
ABC
0.10408 0.07125 0.04230

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.706 -0.538
C2 0.000 -0.706 -0.538
C3 0.000 -1.418 0.677
C4 0.000 -0.708 1.899
C5 0.000 0.708 1.899
C6 0.000 1.418 0.677
F7 0.000 1.389 -1.745
F8 0.000 -1.389 -1.745
H9 0.000 -2.504 0.646
H10 0.000 -1.256 2.837
H11 0.000 1.256 2.837
H12 0.000 2.504 0.646

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.41262.44732.81752.43681.40801.38682.41833.42203.90443.41992.1529
C21.41261.40802.43682.81752.44732.41831.38682.15293.41993.90443.4220
C32.44731.40801.41332.45242.83643.70762.42201.08652.16673.43803.9226
C42.81752.43681.41331.41622.45244.20433.70692.18981.08692.17693.4480
C52.43682.81752.45241.41621.41333.70694.20433.44802.17691.08692.1898
C61.40802.44732.83642.45241.41332.42203.70763.92263.43802.16671.0865
F71.38682.41833.70764.20433.70692.42202.77844.56925.29114.58442.6384
F82.41831.38682.42203.70694.20433.70762.77842.63844.58445.29114.5692
H93.42202.15291.08652.18983.44803.92264.56922.63842.52184.35225.0086
H103.90443.41992.16671.08692.17693.43805.29114.58442.52182.51214.3522
H113.41993.90443.43802.17691.08692.16674.58445.29114.35222.51212.5218
H122.15293.42203.92263.44802.18981.08652.63844.56925.00864.35222.5218

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.372 C1 C2 F8 119.500
C1 C6 C5 119.467 C1 C6 H12 118.760
C2 C1 C6 120.372 C2 C1 F7 119.500
C2 C3 C4 119.467 C2 C3 H9 118.760
C3 C2 F8 120.128 C3 C4 C5 120.160
C3 C4 H10 119.565 C4 C3 H9 121.772
C4 C5 C6 120.160 C4 C5 H11 120.274
C5 C4 H10 120.274 C5 C6 H12 121.772
C6 C1 F7 120.128 C6 C5 H11 119.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.119      
2 C 0.119      
3 C -0.186      
4 C -0.111      
5 C -0.111      
6 C -0.186      
7 F -0.180      
8 F -0.180      
9 H 0.189      
10 H 0.168      
11 H 0.168      
12 H 0.189      


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 3.854 3.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.931 0.000 0.000
y 0.000 -41.295 0.000
z 0.000 0.000 -46.156
Traceless
 xyz
x -3.206 0.000 0.000
y 0.000 5.249 0.000
z 0.000 0.000 -2.043
Polar
3z2-r2-4.086
x2-y2-5.636
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.396 0.000 0.000
y 0.000 11.220 0.000
z 0.000 0.000 11.659


<r2> (average value of r2) Å2
<r2> 189.506
(<r2>)1/2 13.766