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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-424.874790
Energy at 298.15K-424.879088
Nuclear repulsion energy341.004274
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 B3PW91/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 3501 3099 9.11      
2 A1 3482 3081 0.37      
3 A1 1715 1518 0.87      
4 A1 1642 1453 124.50      
5 A1 1413 1250 28.04      
6 A1 1335 1181 5.98      
7 A1 1245 1101 0.05      
8 A1 1111 984 0.28      
9 A1 800 708 2.56      
10 A1 596 527 0.75      
11 A1 263 233 0.21      
12 A2 1046 925 0.00      
13 A2 906 802 0.00      
14 A2 735 650 0.00      
15 A2 566 501 0.00      
16 A2 184 163 0.00      
17 B1 998 883 3.30      
18 B1 800 708 38.87      
19 B1 467 413 0.58      
20 B1 296 262 0.01      
21 B2 3490 3088 17.61      
22 B2 3473 3074 1.35      
23 B2 1758 1556 9.58      
24 B2 1590 1407 23.58      
25 B2 1403 1242 7.57      
26 B2 1307 1157 2.29      
27 B2 1186 1049 4.12      
28 B2 899 796 3.83      
29 B2 546 483 1.71      
30 B2 439 389 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 19594.2 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 17340.9 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 B3PW91/STO-3G
ABC
0.10387 0.07162 0.04239

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.721 -0.554
C2 0.000 -0.721 -0.554
C3 0.000 -1.415 0.684
C4 0.000 -0.704 1.896
C5 0.000 0.704 1.896
C6 0.000 1.415 0.684
F7 0.000 1.403 -1.742
F8 0.000 -1.403 -1.742
H9 0.000 -2.511 0.672
H10 0.000 -1.252 2.845
H11 0.000 1.252 2.845
H12 0.000 2.511 0.672

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.44212.46842.83412.44981.41861.36992.43353.45623.92963.43972.1690
C21.44211.41862.44982.83412.46842.43351.36992.16903.43973.92963.4562
C32.46841.41861.40552.44132.82983.71772.42561.09582.16733.43263.9256
C42.83412.44981.40551.40802.44134.20393.70442.18231.09562.17393.4399
C52.44982.83412.44131.40801.40553.70444.20393.43992.17391.09562.1823
C61.41862.46842.82982.44131.40552.42563.71773.92563.43262.16731.0958
F71.36992.43353.71774.20393.70442.42562.80524.59785.29954.58922.6559
F82.43351.36992.42563.70444.20393.71772.80522.65594.58925.29954.5978
H93.45622.16901.09582.18233.43993.92564.59782.65592.51124.34495.0213
H103.92963.43972.16731.09562.17393.43265.29954.58922.51122.50384.3449
H113.43973.92963.43262.17391.09562.16734.58925.29954.34492.50382.5112
H122.16903.45623.92563.43992.18231.09582.65594.59785.02134.34492.5112

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.284 C1 C2 F8 119.839
C1 C6 C5 120.332 C1 C6 H12 118.668
C2 C1 C6 119.284 C2 C1 F7 119.839
C2 C3 C4 120.332 C2 C3 H9 118.668
C3 C2 F8 120.877 C3 C4 C5 120.384
C3 C4 H10 119.610 C4 C3 H9 121.000
C4 C5 C6 120.384 C4 C5 H11 120.005
C5 C4 H10 120.005 C5 C6 H12 121.000
C6 C1 F7 120.877 C6 C5 H11 119.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 C 0.074      
3 C -0.104      
4 C -0.088      
5 C -0.088      
6 C -0.104      
7 F -0.058      
8 F -0.058      
9 H 0.090      
10 H 0.086      
11 H 0.086      
12 H 0.090      


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 0.651 0.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.315 0.000 0.000
y 0.000 -37.511 0.000
z 0.000 0.000 -39.233
Traceless
 xyz
x -2.944 0.000 0.000
y 0.000 2.763 0.000
z 0.000 0.000 0.180
Polar
3z2-r20.361
x2-y2-3.805
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.997 0.000 0.000
y 0.000 7.413 0.000
z 0.000 0.000 8.186


<r2> (average value of r2) Å2
<r2> 235.182
(<r2>)1/2 15.336