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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-430.411453
Energy at 298.15K-430.416034
HF Energy-430.411453
Nuclear repulsion energy346.070089
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 PBEPBE/Def2TZVPP
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 3141 3103 2.04      
2 A1 3127 3089 7.66      
3 A1 1602 1583 19.85      
4 A1 1495 1477 184.37      
5 A1 1349 1332 0.88      
6 A1 1260 1244 132.03      
7 A1 1140 1126 1.76      
8 A1 1022 1009 6.11      
9 A1 756 746 30.88      
10 A1 563 556 3.93      
11 A1 278 274 0.17      
12 A2 923 912 0.00      
13 A2 818 808 0.00      
14 A2 672 664 0.00      
15 A2 547 540 0.00      
16 A2 181 179 0.00      
17 B1 903 892 4.68      
18 B1 735 726 75.79      
19 B1 447 441 3.95      
20 B1 283 280 0.08      
21 B2 3135 3097 2.90      
22 B2 3116 3079 0.88      
23 B2 1597 1578 8.21      
24 B2 1447 1429 10.40      
25 B2 1245 1230 3.75      
26 B2 1183 1169 36.69      
27 B2 1091 1078 22.61      
28 B2 837 827 17.97      
29 B2 536 529 2.96      
30 B2 429 424 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 17927.6 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 17710.7 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 PBEPBE/Def2TZVPP
ABC
0.10788 0.07368 0.04378

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.699 -0.535
C2 0.000 -0.699 -0.535
C3 0.000 -1.403 0.663
C4 0.000 -0.698 1.870
C5 0.000 0.698 1.870
C6 0.000 1.403 0.663
F7 0.000 1.357 -1.714
F8 0.000 -1.357 -1.714
H9 0.000 -2.492 0.632
H10 0.000 -1.247 2.811
H11 0.000 1.247 2.811
H12 0.000 2.492 0.632

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.39782.41952.78162.40521.38981.34992.36963.39833.87143.39142.1402
C21.39781.38982.40522.78162.41952.36961.34992.14023.39143.87143.3983
C32.41951.38981.39752.42332.80593.64232.37751.08992.15423.41153.8955
C42.78162.40521.39751.39672.42334.13143.64392.17951.08982.16123.4224
C52.40522.78162.42331.39671.39753.64394.13143.42242.16121.08982.1795
C61.38982.41952.80592.42331.39752.37753.64233.89553.41152.15421.0899
F71.34992.36963.64234.13143.64392.37752.71354.50805.22114.52692.6069
F82.36961.34992.37753.64394.13143.64232.71352.60694.52695.22114.5080
H93.39832.14021.08992.17953.42243.89554.50802.60692.50994.32804.9849
H103.87143.39142.15421.08982.16123.41155.22114.52692.50992.49394.3280
H113.39143.87143.41152.16121.08982.15424.52695.22114.32802.49392.5099
H122.14023.39833.89553.42242.17951.08992.60694.50804.98494.32802.5099

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.437 C1 C2 F8 119.165
C1 C6 C5 119.286 C1 C6 H12 118.830
C2 C1 C6 120.437 C2 C1 F7 119.165
C2 C3 C4 119.286 C2 C3 H9 118.830
C3 C2 F8 120.398 C3 C4 C5 120.277
C3 C4 H10 119.498 C4 C3 H9 121.884
C4 C5 C6 120.277 C4 C5 H11 120.224
C5 C4 H10 120.224 C5 C6 H12 121.884
C6 C1 F7 120.398 C6 C5 H11 119.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.173      
2 C 0.173      
3 C -0.136      
4 C -0.115      
5 C -0.115      
6 C -0.136      
7 F -0.153      
8 F -0.153      
9 H 0.113      
10 H 0.117      
11 H 0.117      
12 H 0.113      


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 2.285 2.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.566 0.000 0.000
y 0.000 -40.737 0.000
z 0.000 0.000 -44.292
Traceless
 xyz
x -4.051 0.000 0.000
y 0.000 4.692 0.000
z 0.000 0.000 -0.641
Polar
3z2-r2-1.281
x2-y2-5.829
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.822 0.000 0.000
y 0.000 11.994 0.000
z 0.000 0.000 12.425


<r2> (average value of r2) Å2
<r2> 231.564
(<r2>)1/2 15.217