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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-428.495669
Energy at 298.15K-428.500902
Nuclear repulsion energy350.855967
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/6-311G*
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 3382 3058 5.48      
2 A1 3365 3043 15.81      
3 A1 1804 1632 36.54      
4 A1 1689 1527 219.60      
5 A1 1412 1277 142.19      
6 A1 1317 1192 3.53      
7 A1 1194 1079 0.62      
8 A1 1119 1012 9.03      
9 A1 835 755 40.93      
10 A1 626 567 5.46      
11 A1 310 281 0.50      
12 A2 1088 984 0.00      
13 A2 962 870 0.00      
14 A2 785 710 0.00      
15 A2 615 556 0.00      
16 A2 210 190 0.00      
17 B1 1058 957 8.89      
18 B1 851 770 105.91      
19 B1 514 465 2.75      
20 B1 329 297 0.06      
21 B2 3376 3053 13.18      
22 B2 3351 3030 1.62      
23 B2 1807 1634 8.61      
24 B2 1617 1463 17.17      
25 B2 1402 1268 7.97      
26 B2 1331 1204 49.04      
27 B2 1206 1090 19.90      
28 B2 922 833 20.85      
29 B2 596 539 5.27      
30 B2 477 431 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 19773.5 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 17883.2 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 HF/6-311G*
ABC
0.11091 0.07571 0.04499

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.683 -0.531
C2 0.000 -0.683 -0.531
C3 0.000 -1.382 0.648
C4 0.000 -0.691 1.844
C5 0.000 0.691 1.844
C6 0.000 1.382 0.648
F7 0.000 1.331 -1.684
F8 0.000 -1.331 -1.684
H9 0.000 -2.454 0.614
H10 0.000 -1.233 2.769
H11 0.000 1.233 2.769
H12 0.000 2.454 0.614

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.36682.37852.74382.37461.37061.32252.32093.33953.81623.34562.1083
C21.36681.37062.37462.74382.37852.32091.32252.10833.34563.81623.3395
C32.37851.37061.38092.39362.76473.57772.33291.07202.12633.36743.8363
C42.74382.37461.38091.38252.39364.06623.58532.14921.07242.13543.3770
C52.37462.74382.39361.38251.38093.58534.06623.37702.13541.07242.1492
C61.37062.37852.76472.39361.38092.33293.57773.83633.36742.12631.0720
F71.32252.32093.57774.06623.58532.33292.66144.42765.13864.45442.5578
F82.32091.32252.33293.58534.06623.57772.66142.55784.45445.13864.4276
H93.33952.10831.07202.14923.37703.83634.42762.55782.47704.27074.9077
H103.81623.34562.12631.07242.13543.36745.13864.45442.47702.46624.2707
H113.34563.81623.36742.13541.07242.12634.45445.13864.27072.46622.4770
H122.10833.33953.83633.37702.14921.07202.55784.42764.90774.27072.4770

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.660 C1 C2 F8 119.305
C1 C6 C5 119.310 C1 C6 H12 118.826
C2 C1 C6 120.660 C2 C1 F7 119.305
C2 C3 C4 119.310 C2 C3 H9 118.826
C3 C2 F8 120.035 C3 C4 C5 120.029
C3 C4 H10 119.623 C4 C3 H9 121.864
C4 C5 C6 120.029 C4 C5 H11 120.348
C5 C4 H10 120.348 C5 C6 H12 121.864
C6 C1 F7 120.035 C6 C5 H11 119.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.330      
2 C 0.330      
3 C -0.296      
4 C -0.216      
5 C -0.216      
6 C -0.296      
7 F -0.298      
8 F -0.298      
9 H 0.249      
10 H 0.231      
11 H 0.231      
12 H 0.249      


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 2.954 2.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.084 0.000 0.000
y 0.000 -40.583 0.000
z 0.000 0.000 -44.685
Traceless
 xyz
x -4.451 0.000 0.000
y 0.000 5.302 0.000
z 0.000 0.000 -0.851
Polar
3z2-r2-1.702
x2-y2-6.502
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.086 0.000 0.000
y 0.000 10.187 0.000
z 0.000 0.000 10.259


<r2> (average value of r2) Å2
<r2> 226.263
(<r2>)1/2 15.042