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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-424.527133
Energy at 298.15K-424.531204
Nuclear repulsion energy338.648368
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/STO-3G
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 3412 3117 7.00      
2 A1 3391 3098 0.06      
3 A1 1653 1510 0.25      
4 A1 1589 1451 116.15      
5 A1 1375 1256 30.35      
6 A1 1331 1216 3.98      
7 A1 1213 1109 0.28      
8 A1 1078 985 0.35      
9 A1 772 705 1.60      
10 A1 578 528 0.58      
11 A1 253 231 0.13      
12 A2 996 910 0.00      
13 A2 859 785 0.00      
14 A2 694 634 0.00      
15 A2 544 497 0.00      
16 A2 174 159 0.00      
17 B1 948 866 3.05      
18 B1 764 698 39.45      
19 B1 445 407 1.06      
20 B1 283 259 0.23      
21 B2 3400 3106 11.82      
22 B2 3385 3092 1.28      
23 B2 1697 1550 10.37      
24 B2 1542 1409 21.38      
25 B2 1363 1246 6.73      
26 B2 1267 1157 1.69      
27 B2 1152 1053 4.64      
28 B2 876 800 3.61      
29 B2 530 484 1.21      
30 B2 426 389 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 18995.2 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 17354.0 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 PBEPBE/STO-3G
ABC
0.10226 0.07069 0.04180

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.729 -0.560
C2 0.000 -0.729 -0.560
C3 0.000 -1.426 0.690
C4 0.000 -0.709 1.910
C5 0.000 0.709 1.910
C6 0.000 1.426 0.690
F7 0.000 1.415 -1.754
F8 0.000 -1.415 -1.754
H9 0.000 -2.530 0.680
H10 0.000 -1.261 2.866
H11 0.000 1.261 2.866
H12 0.000 2.530 0.680

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.45802.49132.85802.46981.43081.37672.45363.48683.96153.46672.1864
C21.45801.43082.46982.85802.49132.45361.37672.18643.46673.96153.4868
C32.49131.43081.41552.45962.85273.74702.44331.10382.18263.45783.9565
C42.85802.46981.41551.41832.45964.23463.73092.19771.10362.18953.4651
C52.46982.85802.45961.41831.41553.73094.23463.46512.18951.10362.1977
C61.43082.49132.85272.45961.41552.44333.74703.95653.45782.18261.1038
F71.37672.45363.74704.23463.73092.44332.82904.63485.33824.62212.6768
F82.45361.37672.44333.73094.23463.74702.82902.67684.62215.33824.6348
H93.48682.18641.10382.19773.46513.95654.63482.67682.52814.37615.0603
H103.96153.46672.18261.10362.18953.45785.33824.62212.52812.52134.3761
H113.46673.96153.45782.18951.10362.18264.62215.33824.37612.52132.5281
H122.18643.48683.95653.46512.19771.10382.67684.63485.06034.37612.5281

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.169 C1 C2 F8 119.865
C1 C6 C5 120.390 C1 C6 H12 118.650
C2 C1 C6 119.169 C2 C1 F7 119.865
C2 C3 C4 120.390 C2 C3 H9 118.650
C3 C2 F8 120.966 C3 C4 C5 120.442
C3 C4 H10 119.576 C4 C3 H9 120.960
C4 C5 C6 120.442 C4 C5 H11 119.983
C5 C4 H10 119.983 C5 C6 H12 120.960
C6 C1 F7 120.966 C6 C5 H11 119.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.057      
2 C 0.057      
3 C -0.108      
4 C -0.092      
5 C -0.092      
6 C -0.108      
7 F -0.031      
8 F -0.031      
9 H 0.088      
10 H 0.085      
11 H 0.085      
12 H 0.088      


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 0.166 0.166
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.429 0.000 0.000
y 0.000 -37.206 0.000
z 0.000 0.000 -38.618
Traceless
 xyz
x -3.517 0.000 0.000
y 0.000 2.818 0.000
z 0.000 0.000 0.699
Polar
3z2-r21.398
x2-y2-4.223
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.040 0.000 0.000
y 0.000 7.631 0.000
z 0.000 0.000 8.523


<r2> (average value of r2) Å2
<r2> 237.991
(<r2>)1/2 15.427