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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-424.973238
Energy at 298.15K-424.977486
Nuclear repulsion energy340.022631
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/STO-3G
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 3478 3104 6.85      
2 A1 3459 3087 0.21      
3 A1 1694 1512 0.34      
4 A1 1624 1450 116.98      
5 A1 1399 1249 30.50      
6 A1 1303 1163 6.26      
7 A1 1240 1106 0.00      
8 A1 1100 982 0.25      
9 A1 792 706 2.31      
10 A1 593 529 0.79      
11 A1 259 231 0.20      
12 A2 1039 927 0.00      
13 A2 901 804 0.00      
14 A2 726 648 0.00      
15 A2 560 500 0.00      
16 A2 183 163 0.00      
17 B1 991 885 3.09      
18 B1 796 710 36.48      
19 B1 463 413 0.48      
20 B1 293 262 0.01      
21 B2 3467 3094 13.53      
22 B2 3451 3080 1.06      
23 B2 1736 1549 9.35      
24 B2 1578 1409 21.64      
25 B2 1395 1245 8.07      
26 B2 1299 1159 2.23      
27 B2 1178 1051 3.88      
28 B2 895 799 3.88      
29 B2 541 483 1.72      
30 B2 435 388 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 19433.3 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 17342.2 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 B3LYP/STO-3G
ABC
0.10324 0.07121 0.04214

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.724 -0.556
C2 0.000 -0.724 -0.556
C3 0.000 -1.420 0.686
C4 0.000 -0.707 1.903
C5 0.000 0.707 1.903
C6 0.000 1.420 0.686
F7 0.000 1.407 -1.747
F8 0.000 -1.407 -1.747
H9 0.000 -2.517 0.674
H10 0.000 -1.255 2.853
H11 0.000 1.255 2.853
H12 0.000 2.517 0.674

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.44722.47732.84402.45841.42371.37412.44163.46613.94093.44942.1745
C21.44721.42372.45842.84402.47732.44161.37412.17453.44943.94093.4661
C32.47731.42371.41042.44992.84003.73042.43371.09712.17293.44223.9370
C42.84402.45841.41041.41302.44994.21813.71692.18801.09692.17933.4497
C52.45842.84402.44991.41301.41043.71694.21813.44972.17931.09692.1880
C61.42372.47732.84002.44991.41042.43373.73043.93703.44222.17291.0971
F71.37412.44163.73044.21813.71692.43372.81464.61145.31504.60272.6638
F82.44161.37412.43373.71694.21813.73042.81462.66384.60275.31504.6114
H93.46612.17451.09712.18803.44973.93704.61142.66382.51774.35585.0340
H103.94093.44942.17291.09692.17933.44225.31504.60272.51772.50974.3558
H113.44943.94093.44222.17931.09692.17294.60275.31504.35582.50972.5177
H122.17453.46613.93703.44972.18801.09712.66384.61145.03404.35582.5177

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.284 C1 C2 F8 119.840
C1 C6 C5 120.326 C1 C6 H12 118.660
C2 C1 C6 119.284 C2 C1 F7 119.840
C2 C3 C4 120.326 C2 C3 H9 118.660
C3 C2 F8 120.876 C3 C4 C5 120.390
C3 C4 H10 119.616 C4 C3 H9 121.014
C4 C5 C6 120.390 C4 C5 H11 119.994
C5 C4 H10 119.994 C5 C6 H12 121.014
C6 C1 F7 120.876 C6 C5 H11 119.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.075      
2 C 0.075      
3 C -0.099      
4 C -0.083      
5 C -0.083      
6 C -0.099      
7 F -0.059      
8 F -0.059      
9 H 0.085      
10 H 0.081      
11 H 0.081      
12 H 0.085      


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 0.643 0.643
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.328 0.000 0.000
y 0.000 -37.680 0.000
z 0.000 0.000 -39.376
Traceless
 xyz
x -2.800 0.000 0.000
y 0.000 2.672 0.000
z 0.000 0.000 0.128
Polar
3z2-r20.255
x2-y2-3.648
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.008 0.000 0.000
y 0.000 7.527 0.000
z 0.000 0.000 8.298


<r2> (average value of r2) Å2
<r2> 236.465
(<r2>)1/2 15.377