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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-430.739385
Energy at 298.15K 
HF Energy-430.739385
Nuclear repulsion energy342.733444
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 wB97X-D/TZVP
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 3241 3095 0.00 280.38 0.15 0.26
2 Ag 1688 1612 0.00 5.74 0.71 0.83
3 Ag 1298 1239 0.00 25.29 0.06 0.12
4 Ag 1177 1124 0.00 6.96 0.60 0.75
5 Ag 882 842 0.00 35.70 0.06 0.12
6 Ag 464 443 0.00 5.50 0.43 0.61
7 Au 957 914 0.00 0.00 0.00 0.00
8 Au 430 411 0.00 0.00 0.00 0.00
9 B1g 820 783 0.00 0.00 0.75 0.86
10 B1u 3226 3081 3.43 0.00 0.00 0.00
11 B1u 1564 1493 275.33 0.00 0.00 0.00
12 B1u 1249 1193 197.34 0.00 0.00 0.00
13 B1u 1040 993 2.79 0.00 0.00 0.00
14 B1u 760 725 66.89 0.00 0.00 0.00
15 B2g 896 855 0.00 0.11 0.75 0.86
16 B2g 619 591 0.00 1.27 0.75 0.86
17 B2g 359 343 0.00 2.30 0.75 0.86
18 B2u 3240 3094 0.02 0.00 0.15 0.26
19 B2u 1467 1401 1.05 0.00 0.00 0.00
20 B2u 1322 1262 0.11 0.00 0.00 0.00
21 B2u 1123 1072 13.77 0.00 0.00 0.00
22 B2u 358 342 4.82 0.00 0.00 0.00
23 B3g 3228 3083 0.00 112.09 0.75 0.86
24 B3g 1682 1606 0.00 9.29 0.75 0.86
25 B3g 1318 1258 0.00 1.22 0.75 0.86
26 B3g 657 628 0.00 7.53 0.75 0.86
27 B3g 461 441 0.00 0.07 0.75 0.86
28 B3u 856 817 85.77 0.00 0.00 0.00
29 B3u 522 499 18.98 0.00 0.00 0.00
30 B3u 160 153 1.72 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18530.3 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 17696.4 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 wB97X-D/TZVP
ABC
0.19043 0.04787 0.03825

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.362
C2 0.000 0.000 -1.362
C3 0.000 1.209 0.694
C4 0.000 -1.209 0.694
C5 0.000 -1.209 -0.694
C6 0.000 1.209 -0.694
F7 0.000 0.000 2.706
F8 0.000 0.000 -2.706
H9 0.000 2.134 1.254
H10 0.000 -2.134 1.254
H11 0.000 -2.134 -1.254
H12 0.000 2.134 -1.254

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.72481.38171.38172.38512.38511.34334.06822.13682.13683.37653.3765
C22.72482.38512.38511.38171.38174.06821.34333.37653.37652.13682.1368
C31.38172.38512.41812.78761.38702.34753.60791.08163.38983.86912.1562
C41.38172.38512.41811.38702.78762.34753.60793.38981.08162.15623.8691
C52.38511.38172.78761.38702.41813.60792.34753.86912.15621.08163.3898
C62.38511.38171.38702.78762.41813.60792.34752.15623.86913.38981.0816
F71.34334.06822.34752.34753.60793.60795.41152.58092.58094.49844.4984
F84.06821.34333.60793.60792.34752.34755.41154.49844.49842.58092.5809
H92.13683.37651.08163.38983.86912.15622.58094.49844.26814.95062.5084
H102.13683.37653.38981.08162.15623.86912.58094.49844.26812.50844.9506
H113.37652.13683.86912.15621.08163.38984.49842.58094.95062.50844.2681
H123.37652.13682.15623.86913.38981.08164.49842.58092.50844.95064.2681

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 118.954 C1 C3 H9 119.825
C1 C4 C5 118.954 C1 C4 H10 119.825
C2 C5 C4 118.954 C2 C5 H11 119.825
C2 C6 C3 118.954 C2 C6 H12 119.825
C3 C1 C4 122.093 C3 C1 F7 118.954
C3 C6 H12 121.222 C4 C1 F7 118.954
C4 C5 H11 121.222 C5 C2 C6 122.093
C5 C2 F8 118.954 C5 C4 H10 121.222
C6 C2 F8 118.954 C6 C3 H9 121.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.234      
2 C 0.234      
3 C -0.179      
4 C -0.179      
5 C -0.179      
6 C -0.179      
7 F -0.193      
8 F -0.193      
9 H 0.158      
10 H 0.158      
11 H 0.158      
12 H 0.158      


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 -46.451 0.000 0.000
y 0.000 -36.635 0.000
z 0.000 0.000 -52.071
Traceless
 xyz
x -2.098 0.000 0.000
y 0.000 12.626 0.000
z 0.000 0.000 -10.528
Polar
3z2-r2-21.056
x2-y2-9.816
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.414 0.000 0.000
y 0.000 10.998 0.000
z 0.000 0.000 11.447


<r2> (average value of r2) Å2
<r2> 253.328
(<r2>)1/2 15.916