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All results from a given calculation for C6H4F2 (1,4-difluorobenzene)

using model chemistry: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-430.665566
Energy at 298.15K 
HF Energy-430.665566
Nuclear repulsion energy342.367290
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 M06-2X/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 Ag 3252 3252 0.00 259.52 0.17 0.30
2 Ag 1703 1703 0.00 4.73 0.64 0.78
3 Ag 1325 1325 0.00 19.57 0.11 0.19
4 Ag 1165 1165 0.00 6.31 0.68 0.81
5 Ag 885 885 0.00 32.20 0.09 0.17
6 Ag 459 459 0.00 4.65 0.50 0.66
7 Au 969 969 0.00 0.00 0.00 0.00
8 Au 436 436 0.00 0.00 0.00 0.00
9 B1g 826 826 0.00 0.45 0.75 0.86
10 B1u 3238 3238 4.03 0.00 0.00 0.00
11 B1u 1578 1578 282.47 0.00 0.00 0.00
12 B1u 1262 1262 161.94 0.00 0.00 0.00
13 B1u 1034 1034 3.40 0.00 0.00 0.00
14 B1u 759 759 57.41 0.00 0.00 0.00
15 B2g 947 947 0.00 0.60 0.75 0.86
16 B2g 713 713 0.00 0.30 0.75 0.86
17 B2g 388 388 0.00 3.77 0.75 0.86
18 B2u 3251 3251 0.16 0.00 0.17 0.30
19 B2u 1468 1468 0.79 0.00 0.00 0.00
20 B2u 1321 1321 0.64 0.00 0.11 0.00
21 B2u 1109 1109 14.33 0.00 0.00 0.00
22 B2u 351 351 5.32 0.00 0.00 0.00
23 B3g 3240 3240 0.00 115.75 0.75 0.86
24 B3g 1692 1692 0.00 7.96 0.75 0.86
25 B3g 1304 1304 0.00 1.30 0.75 0.86
26 B3g 649 649 0.00 8.12 0.75 0.86
27 B3g 449 449 0.00 0.05 0.75 0.86
28 B3u 866 866 101.48 0.00 0.00 0.00
29 B3u 524 524 18.74 0.00 0.00 0.00
30 B3u 164 164 1.67 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18662.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18662.8 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 M06-2X/6-311G*
ABC
0.18991 0.04778 0.03818

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.365
C2 0.000 0.000 -1.365
C3 0.000 1.211 0.695
C4 0.000 -1.211 0.695
C5 0.000 -1.211 -0.695
C6 0.000 1.211 -0.695
F7 0.000 0.000 2.707
F8 0.000 0.000 -2.707
H9 0.000 2.134 1.261
H10 0.000 -2.134 1.261
H11 0.000 -2.134 -1.261
H12 0.000 2.134 -1.261

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.73041.38431.38432.38972.38971.34214.07252.13662.13663.38403.3840
C22.73042.38972.38971.38431.38434.07251.34213.38403.38402.13662.1366
C31.38432.38972.42222.79261.38972.34883.61131.08283.39283.87512.1628
C41.38432.38972.42221.38972.79262.34883.61133.39281.08282.16283.8751
C52.38971.38432.79261.38972.42223.61132.34883.87512.16281.08283.3928
C62.38971.38431.38972.79262.42223.61132.34882.16283.87513.39281.0828
F71.34214.07252.34882.34883.61133.61135.41472.57802.57804.50584.5058
F84.07251.34213.61133.61132.34882.34885.41474.50584.50582.57802.5780
H92.13663.38401.08283.39283.87512.16282.57804.50584.26824.95772.5221
H102.13663.38403.39281.08282.16283.87512.57804.50584.26822.52214.9577
H113.38402.13663.87512.16281.08283.39284.50582.57804.95772.52214.2682
H123.38402.13662.16283.87513.39281.08284.50582.57802.52214.95774.2682

picture of 1,4-difluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 118.964 C1 C3 H9 119.508
C1 C4 C5 118.964 C1 C4 H10 119.508
C2 C5 C4 118.964 C2 C5 H11 119.508
C2 C6 C3 118.964 C2 C6 H12 119.508
C3 C1 C4 122.071 C3 C1 F7 118.964
C3 C6 H12 121.527 C4 C1 F7 118.964
C4 C5 H11 121.527 C5 C2 C6 122.071
C5 C2 F8 118.964 C5 C4 H10 121.527
C6 C2 F8 118.964 C6 C3 H9 121.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.311      
2 C 0.311      
3 C -0.282      
4 C -0.282      
5 C -0.282      
6 C -0.282      
7 F -0.247      
8 F -0.247      
9 H 0.251      
10 H 0.251      
11 H 0.251      
12 H 0.251      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.857 0.000 0.000
y 0.000 -36.703 0.000
z 0.000 0.000 -51.300
Traceless
 xyz
x -2.856 0.000 0.000
y 0.000 12.375 0.000
z 0.000 0.000 -9.519
Polar
3z2-r2-19.039
x2-y2-10.154
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.123 0.000 0.000
y 0.000 10.588 0.000
z 0.000 0.000 10.855


<r2> (average value of r2) Å2
<r2> 253.746
(<r2>)1/2 15.929