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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-430.694398
Energy at 298.15K-430.699087
Nuclear repulsion energy341.864290
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/SDD
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 3253 3127 4.40      
2 A1 3230 3105 11.06      
3 A1 1652 1589 12.03      
4 A1 1528 1469 137.91      
5 A1 1373 1320 0.04      
6 A1 1272 1222 81.96      
7 A1 1199 1153 1.45      
8 A1 1045 1005 9.92      
9 A1 749 720 33.34      
10 A1 575 553 5.88      
11 A1 272 261 0.56      
12 A2 1018 979 0.00      
13 A2 881 847 0.00      
14 A2 725 697 0.00      
15 A2 559 538 0.00      
16 A2 184 177 0.00      
17 B1 971 934 5.22      
18 B1 792 761 120.68      
19 B1 461 444 5.36      
20 B1 284 273 0.00      
21 B2 3243 3118 4.76      
22 B2 3215 3091 2.15      
23 B2 1646 1582 4.12      
24 B2 1481 1424 12.41      
25 B2 1294 1243 0.04      
26 B2 1197 1150 17.30      
27 B2 1113 1070 35.86      
28 B2 846 813 18.17      
29 B2 533 513 3.45      
30 B2 426 410 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 18508.8 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 17792.5 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 B3LYP/SDD
ABC
0.10507 0.07188 0.04268

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.703 -0.536
C2 0.000 -0.703 -0.536
C3 0.000 -1.411 0.673
C4 0.000 -0.705 1.890
C5 0.000 0.705 1.890
C6 0.000 1.411 0.673
F7 0.000 1.382 -1.737
F8 0.000 -1.382 -1.737
H9 0.000 -2.496 0.643
H10 0.000 -1.252 2.828
H11 0.000 1.252 2.828
H12 0.000 2.496 0.643

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.40512.43452.80472.42591.40081.38062.40633.40883.89043.40832.1460
C21.40511.40082.42592.80472.43452.40631.38062.14603.40833.89043.4088
C32.43451.40081.40722.44112.82173.68922.41041.08582.16103.42593.9072
C42.80472.42591.40721.41012.44114.18523.69022.18291.08582.17043.4358
C52.42592.80472.44111.41011.40723.69024.18523.43582.17041.08582.1829
C61.40082.43452.82172.44111.40722.41043.68923.90723.42592.16101.0858
F71.38062.40633.68924.18523.69022.41042.76434.55035.27094.56722.6277
F82.40631.38062.41043.69024.18523.68922.76432.62774.56725.27094.5503
H93.40882.14601.08582.18293.43583.90724.55032.62772.51474.33914.9924
H103.89043.40832.16101.08582.17043.42595.27094.56722.51472.50454.3391
H113.40833.89043.42592.17041.08582.16104.56725.27094.33912.50452.5147
H122.14603.40883.90723.43582.18291.08582.62774.55034.99244.33912.5147

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.376 C1 C2 F8 119.489
C1 C6 C5 119.521 C1 C6 H12 118.775
C2 C1 C6 120.376 C2 C1 F7 119.489
C2 C3 C4 119.521 C2 C3 H9 118.775
C3 C2 F8 120.135 C3 C4 C5 120.104
C3 C4 H10 119.634 C4 C3 H9 121.704
C4 C5 C6 120.104 C4 C5 H11 120.263
C5 C4 H10 120.263 C5 C6 H12 121.704
C6 C1 F7 120.135 C6 C5 H11 119.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.210      
2 C 0.210      
3 C -0.298      
4 C -0.181      
5 C -0.181      
6 C -0.298      
7 F -0.219      
8 F -0.219      
9 H 0.255      
10 H 0.233      
11 H 0.233      
12 H 0.255      


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 3.821 3.821
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.863 0.000 0.000
y 0.000 -40.693 0.000
z 0.000 0.000 -45.536
Traceless
 xyz
x -3.748 0.000 0.000
y 0.000 5.507 0.000
z 0.000 0.000 -1.759
Polar
3z2-r2-3.517
x2-y2-6.170
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.768 0.000 0.000
y 0.000 10.433 0.000
z 0.000 0.000 10.998


<r2> (average value of r2) Å2
<r2> 236.829
(<r2>)1/2 15.389