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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-428.398186
Energy at 298.15K-428.403387
Nuclear repulsion energy350.415044
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 HF/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 3405 3059 3.27      
2 A1 3389 3045 14.48      
3 A1 1816 1632 34.92      
4 A1 1701 1529 210.81      
5 A1 1425 1281 122.25      
6 A1 1325 1190 4.09      
7 A1 1212 1089 0.96      
8 A1 1126 1012 7.44      
9 A1 841 756 36.44      
10 A1 627 563 4.81      
11 A1 307 276 0.47      
12 A2 1105 992 0.00      
13 A2 967 869 0.00      
14 A2 765 687 0.00      
15 A2 612 550 0.00      
16 A2 211 190 0.00      
17 B1 1066 958 8.42      
18 B1 857 770 93.49      
19 B1 512 460 0.97      
20 B1 328 295 0.34      
21 B2 3400 3055 8.89      
22 B2 3374 3032 1.82      
23 B2 1818 1634 8.29      
24 B2 1629 1463 16.70      
25 B2 1412 1269 9.90      
26 B2 1343 1207 42.59      
27 B2 1214 1091 16.28      
28 B2 925 831 18.07      
29 B2 595 535 5.07      
30 B2 476 428 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 19892.5 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 17873.4 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 HF/6-31G*
ABC
0.11077 0.07547 0.04489

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.690 -0.533
C2 0.000 -0.690 -0.533
C3 0.000 -1.389 0.652
C4 0.000 -0.692 1.851
C5 0.000 0.692 1.851
C6 0.000 1.389 0.652
F7 0.000 1.334 -1.691
F8 0.000 -1.334 -1.691
H9 0.000 -2.463 0.621
H10 0.000 -1.233 2.779
H11 0.000 1.233 2.779
H12 0.000 2.463 0.621

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.37922.39312.75592.38441.37641.32522.33173.35713.83043.35702.1157
C21.37921.37642.38442.75592.39312.33171.32522.11573.35703.83043.3571
C32.39311.37641.38692.40242.77873.59282.34371.07402.13313.37703.8524
C42.75592.38441.38691.38482.40244.08103.59982.15611.07442.13783.3867
C52.38442.75592.40241.38481.38693.59984.08103.38672.13781.07442.1561
C61.37642.39312.77872.40241.38692.34373.59283.85243.37702.13311.0740
F71.32522.33173.59284.08103.59982.34372.66864.44565.15544.47162.5725
F82.33171.32522.34373.59984.08103.59282.66862.57254.47165.15544.4456
H93.35712.11571.07402.15613.38673.85244.44562.57252.48444.28044.9258
H103.83043.35702.13311.07442.13783.37705.15544.47162.48442.46664.2804
H113.35703.83043.37702.13781.07442.13314.47165.15544.28042.46662.4844
H122.11573.35713.85243.38672.15611.07402.57254.44564.92584.28042.4844

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.556 C1 C2 F8 119.110
C1 C6 C5 119.277 C1 C6 H12 118.885
C2 C1 C6 120.556 C2 C1 F7 119.110
C2 C3 C4 119.277 C2 C3 H9 118.885
C3 C2 F8 120.334 C3 C4 C5 120.168
C3 C4 H10 119.605 C4 C3 H9 121.839
C4 C5 C6 120.168 C4 C5 H11 120.227
C5 C4 H10 120.227 C5 C6 H12 121.839
C6 C1 F7 120.334 C6 C5 H11 119.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.398      
2 C 0.398      
3 C -0.272      
4 C -0.199      
5 C -0.199      
6 C -0.272      
7 F -0.375      
8 F -0.375      
9 H 0.233      
10 H 0.216      
11 H 0.216      
12 H 0.233      


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 2.841 2.841
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.256 0.000 0.000
y 0.000 -40.189 0.000
z 0.000 0.000 -44.059
Traceless
 xyz
x -4.131 0.000 0.000
y 0.000 4.968 0.000
z 0.000 0.000 -0.836
Polar
3z2-r2-1.673
x2-y2-6.066
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.380 0.000 0.000
y 0.000 9.944 0.000
z 0.000 0.000 10.044


<r2> (average value of r2) Å2
<r2> 226.341
(<r2>)1/2 15.045