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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-430.594170
Energy at 298.15K-430.598926
Nuclear repulsion energy348.235644
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 B1B95/6-31+G**
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 3255 3114 1.08      
2 A1 3242 3101 8.35      
3 A1 1686 1613 29.61      
4 A1 1569 1501 210.54      
5 A1 1381 1321 1.20      
6 A1 1320 1263 125.09      
7 A1 1177 1126 1.14      
8 A1 1059 1013 6.99      
9 A1 787 752 36.34      
10 A1 575 550 3.65      
11 A1 270 258 0.27      
12 A2 988 945 0.00      
13 A2 865 828 0.00      
14 A2 703 673 0.00      
15 A2 565 540 0.00      
16 A2 189 181 0.00      
17 B1 954 913 5.84      
18 B1 770 736 92.73      
19 B1 463 443 3.31      
20 B1 295 282 0.00      
21 B2 3251 3109 1.96      
22 B2 3230 3089 1.24      
23 B2 1685 1612 10.92      
24 B2 1503 1438 12.59      
25 B2 1293 1237 7.37      
26 B2 1236 1182 42.14      
27 B2 1128 1079 23.19      
28 B2 856 819 16.44      
29 B2 550 526 3.45      
30 B2 437 418 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 18639.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 17830.7 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 B1B95/6-31+G**
ABC
0.10944 0.07455 0.04434

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.692 -0.533
C2 0.000 -0.692 -0.533
C3 0.000 -1.393 0.657
C4 0.000 -0.695 1.858
C5 0.000 0.695 1.858
C6 0.000 1.393 0.657
F7 0.000 1.348 -1.701
F8 0.000 -1.348 -1.701
H9 0.000 -2.474 0.625
H10 0.000 -1.242 2.792
H11 0.000 1.242 2.792
H12 0.000 2.474 0.625

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38402.40032.76392.39051.38101.33952.35063.37113.84623.37002.1251
C21.38401.38102.39052.76392.40032.35061.33952.12513.37003.84623.3711
C32.40031.38101.38812.40832.78503.61532.35851.08212.14003.39053.8668
C42.76392.39051.38811.39072.40834.10333.61772.16441.08242.15063.4009
C52.39052.76392.40831.39071.38813.61774.10333.40092.15061.08242.1644
C61.38102.40032.78502.40831.38812.35853.61533.86683.39052.14001.0821
F71.33952.35063.61534.10333.61772.35852.69594.47395.18564.49402.5837
F82.35061.33952.35853.61774.10333.61532.69592.58374.49405.18564.4739
H93.37112.12511.08212.16443.40093.86684.47392.58372.49334.30174.9483
H103.84623.37002.14001.08242.15063.39055.18564.49402.49332.48324.3017
H113.37003.84623.39052.15061.08242.14004.49405.18564.30172.48322.4933
H122.12513.37113.86683.40092.16441.08212.58374.47394.94834.30172.4933

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.481 C1 C2 F8 119.322
C1 C6 C5 119.369 C1 C6 H12 118.750
C2 C1 C6 120.481 C2 C1 F7 119.322
C2 C3 C4 119.369 C2 C3 H9 118.750
C3 C2 F8 120.197 C3 C4 C5 120.149
C3 C4 H10 119.539 C4 C3 H9 121.880
C4 C5 C6 120.149 C4 C5 H11 120.312
C5 C4 H10 120.312 C5 C6 H12 121.880
C6 C1 F7 120.197 C6 C5 H11 119.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.116      
2 C 0.116      
3 C 0.054      
4 C -0.166      
5 C -0.166      
6 C 0.054      
7 F -0.333      
8 F -0.333      
9 H 0.171      
10 H 0.158      
11 H 0.158      
12 H 0.171      


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 2.796 2.796
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.625 0.000 0.000
y 0.000 -40.464 0.000
z 0.000 0.000 -44.578
Traceless
 xyz
x -4.104 0.000 0.000
y 0.000 5.137 0.000
z 0.000 0.000 -1.033
Polar
3z2-r2-2.067
x2-y2-6.161
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.670 0.000 0.000
y 0.000 11.439 0.000
z 0.000 0.000 11.780


<r2> (average value of r2) Å2
<r2> 229.017
(<r2>)1/2 15.133