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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-430.554130
Energy at 298.15K-430.558875
Nuclear repulsion energy347.456697
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 B3PW91/6-31G**
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 3236 3101 1.51      
2 A1 3221 3087 9.82      
3 A1 1674 1605 26.09      
4 A1 1567 1502 194.48      
5 A1 1377 1320 1.47      
6 A1 1323 1268 100.23      
7 A1 1178 1129 0.76      
8 A1 1055 1011 5.85      
9 A1 786 753 28.49      
10 A1 580 556 3.29      
11 A1 280 268 0.24      
12 A2 972 932 0.00      
13 A2 850 815 0.00      
14 A2 678 650 0.00      
15 A2 561 538 0.00      
16 A2 190 182 0.00      
17 B1 937 898 5.77      
18 B1 765 733 75.13      
19 B1 463 443 1.66      
20 B1 298 286 0.01      
21 B2 3231 3097 3.86      
22 B2 3209 3075 1.22      
23 B2 1677 1607 7.98      
24 B2 1503 1440 11.95      
25 B2 1296 1242 12.10      
26 B2 1243 1191 29.80      
27 B2 1129 1082 18.03      
28 B2 860 824 14.60      
29 B2 551 528 3.01      
30 B2 441 423 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 18565.5 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 17793.2 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 B3PW91/6-31G**
ABC
0.10896 0.07417 0.04413

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.695 -0.536
C2 0.000 -0.695 -0.536
C3 0.000 -1.396 0.659
C4 0.000 -0.697 1.863
C5 0.000 0.697 1.863
C6 0.000 1.396 0.659
F7 0.000 1.349 -1.705
F8 0.000 -1.349 -1.705
H9 0.000 -2.480 0.627
H10 0.000 -1.244 2.800
H11 0.000 1.244 2.800
H12 0.000 2.480 0.627

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38962.40822.77402.39971.38591.33952.35463.38093.85913.38152.1305
C21.38961.38592.39972.77402.40822.35461.33952.13053.38153.85913.3809
C32.40821.38591.39212.41422.79123.62282.36481.08452.14623.39893.8754
C42.77402.39971.39211.39392.41424.11343.62752.16951.08502.15553.4087
C52.39972.77402.41421.39391.39213.62754.11343.40872.15551.08502.1695
C61.38592.40822.79122.41421.39212.36483.62283.87543.39892.14621.0845
F71.33952.35463.62284.11343.62752.36482.69854.48325.19854.50652.5915
F82.35461.33952.36483.62754.11343.62282.69852.59154.50655.19854.4832
H93.38092.13051.08452.16953.40873.87544.48322.59152.49984.31174.9593
H103.85913.38152.14621.08502.15553.39895.19854.50652.49982.48864.3117
H113.38153.85913.39892.15551.08502.14624.50655.19854.31172.48862.4998
H122.13053.38093.87543.40872.16951.08452.59154.48324.95934.31172.4998

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.376 C1 C2 F8 119.247
C1 C6 C5 119.499 C1 C6 H12 118.667
C2 C1 C6 120.376 C2 C1 F7 119.247
C2 C3 C4 119.499 C2 C3 H9 118.667
C3 C2 F8 120.377 C3 C4 C5 120.125
C3 C4 H10 119.578 C4 C3 H9 121.834
C4 C5 C6 120.125 C4 C5 H11 120.297
C5 C4 H10 120.297 C5 C6 H12 121.834
C6 C1 F7 120.377 C6 C5 H11 119.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.306      
2 C 0.306      
3 C -0.181      
4 C -0.124      
5 C -0.124      
6 C -0.181      
7 F -0.282      
8 F -0.282      
9 H 0.148      
10 H 0.133      
11 H 0.133      
12 H 0.148      


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 2.231 2.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.396 0.000 0.000
y 0.000 -39.431 0.000
z 0.000 0.000 -42.666
Traceless
 xyz
x -4.347 0.000 0.000
y 0.000 4.600 0.000
z 0.000 0.000 -0.253
Polar
3z2-r2-0.505
x2-y2-5.965
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.492 0.000 0.000
y 0.000 10.596 0.000
z 0.000 0.000 10.893


<r2> (average value of r2) Å2
<r2> 229.113
(<r2>)1/2 15.136