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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-430.599166
Energy at 298.15K-430.603696
Nuclear repulsion energy343.910934
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 BLYP/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 3142 3118 2.59      
2 A1 3127 3103 14.33      
3 A1 1594 1582 16.49      
4 A1 1499 1488 154.45      
5 A1 1330 1320 0.18      
6 A1 1264 1254 116.88      
7 A1 1150 1141 1.24      
8 A1 1018 1010 4.89      
9 A1 753 747 25.86      
10 A1 564 560 3.99      
11 A1 272 270 0.19      
12 A2 930 923 0.00      
13 A2 815 809 0.00      
14 A2 642 637 0.00      
15 A2 540 536 0.00      
16 A2 183 182 0.00      
17 B1 895 888 3.90      
18 B1 738 732 55.39      
19 B1 446 442 1.24      
20 B1 286 284 0.02      
21 B2 3137 3113 8.98      
22 B2 3115 3091 1.62      
23 B2 1593 1580 6.70      
24 B2 1452 1441 7.56      
25 B2 1251 1242 6.47      
26 B2 1191 1181 29.60      
27 B2 1094 1085 18.37      
28 B2 834 828 15.48      
29 B2 531 527 3.01      
30 B2 427 424 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 17904.9 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 17767.0 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 BLYP/6-31G**
ABC
0.10681 0.07262 0.04323

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.703 -0.542
C2 0.000 -0.703 -0.542
C3 0.000 -1.409 0.669
C4 0.000 -0.704 1.884
C5 0.000 0.704 1.884
C6 0.000 1.409 0.669
F7 0.000 1.366 -1.725
F8 0.000 -1.366 -1.725
H9 0.000 -2.501 0.637
H10 0.000 -1.254 2.827
H11 0.000 1.254 2.827
H12 0.000 2.501 0.637

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.40692.43472.80382.42521.40101.35642.38383.41423.89643.41362.1495
C21.40691.40102.42522.80382.43472.38381.35642.14953.41363.89643.4142
C32.43471.40101.40512.43722.81843.66492.39431.09202.16423.42843.9101
C42.80382.42521.40511.40702.43724.16013.66922.18711.09262.17333.4381
C52.42522.80382.43721.40701.40513.66924.16013.43812.17331.09262.1871
C61.40102.43472.81842.43721.40512.39433.66493.91013.42842.16421.0920
F71.35642.38383.66494.16013.66922.39432.73154.53125.25264.55392.6211
F82.38381.35642.39433.66924.16013.66492.73152.62114.55395.25264.5312
H93.41422.14951.09202.18713.43813.91014.53122.62112.51984.34695.0015
H103.89643.41362.16421.09262.17333.42845.25264.55392.51982.50864.3469
H113.41363.89643.42842.17331.09262.16424.55395.25264.34692.50862.5198
H122.14953.41423.91013.43812.18711.09202.62114.53125.00154.34692.5198

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.251 C1 C2 F8 119.228
C1 C6 C5 119.600 C1 C6 H12 118.610
C2 C1 C6 120.251 C2 C1 F7 119.228
C2 C3 C4 119.600 C2 C3 H9 118.610
C3 C2 F8 120.521 C3 C4 C5 120.149
C3 C4 H10 119.580 C4 C3 H9 121.790
C4 C5 C6 120.149 C4 C5 H11 120.271
C5 C4 H10 120.271 C5 C6 H12 121.790
C6 C1 F7 120.521 C6 C5 H11 119.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.280      
2 C 0.280      
3 C -0.112      
4 C -0.061      
5 C -0.061      
6 C -0.112      
7 F -0.259      
8 F -0.259      
9 H 0.081      
10 H 0.069      
11 H 0.069      
12 H 0.081      


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 2.054 2.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.258 0.000 0.000
y 0.000 -40.185 0.000
z 0.000 0.000 -43.138
Traceless
 xyz
x -3.596 0.000 0.000
y 0.000 4.014 0.000
z 0.000 0.000 -0.417
Polar
3z2-r2-0.835
x2-y2-5.073
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.493 0.000 0.000
y 0.000 11.004 0.000
z 0.000 0.000 11.386


<r2> (average value of r2) Å2
<r2> 233.501
(<r2>)1/2 15.281