return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H5F (Fluorobenzene)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-59.709109
Energy at 298.15K-59.715026
Nuclear repulsion energy137.751765
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 HF/CEP-121G*
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 3386 3059 0.56      
2 A1 3374 3048 33.61      
3 A1 3350 3026 0.11      
4 A1 1770 1599 74.46      
5 A1 1643 1484 98.46      
6 A1 1357 1226 122.10      
7 A1 1255 1134 8.34      
8 A1 1101 994 4.00      
9 A1 1072 968 0.65      
10 A1 873 788 25.90      
11 A1 554 500 4.93      
12 A2 1090 985 0.00      
13 A2 925 836 0.00      
14 A2 457 413 0.00      
15 B1 1107 1000 0.05      
16 B1 1003 906 10.38      
17 B1 841 759 116.03      
18 B1 742 670 12.59      
19 B1 554 500 10.38      
20 B1 261 236 0.08      
21 B2 3384 3057 18.78      
22 B2 3360 3036 15.36      
23 B2 1766 1595 14.16      
24 B2 1592 1439 1.68      
25 B2 1434 1296 1.28      
26 B2 1307 1181 0.05      
27 B2 1180 1066 0.07      
28 B2 1141 1031 7.44      
29 B2 662 598 0.20      
30 B2 434 392 2.87      

Unscaled Zero Point Vibrational Energy (zpe) 21487.3 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 19411.6 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 HF/CEP-121G*
ABC
0.18980 0.08621 0.05928

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 2.267
C2 0.000 0.000 0.929
C3 0.000 1.216 0.264
C4 0.000 -1.216 0.264
C5 0.000 1.206 -1.131
C6 0.000 -1.206 -1.131
C7 0.000 0.000 -1.831
H8 0.000 2.134 0.825
H9 0.000 -2.134 0.825
H10 0.000 2.141 -1.665
H11 0.000 -2.141 -1.665
H12 0.000 0.000 -2.907

Atom - Atom Distances (Å)
  F1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
F11.33762.34342.34343.60503.60504.09752.57522.57524.47704.47705.1737
C21.33761.38641.38642.38682.38682.75992.13632.13633.36363.36363.8362
C32.34341.38642.43231.39422.79482.42181.07563.39662.13903.87163.3958
C42.34341.38642.43232.79481.39422.42183.39661.07563.87162.13903.3958
C53.60502.38681.39422.79482.41211.39462.16443.87011.07683.38912.1471
C63.60502.38682.79481.39422.41211.39463.87012.16443.38911.07682.1471
C74.09752.75992.42182.42181.39461.39463.40663.40662.14702.14701.0763
H82.57522.13631.07563.39662.16443.87013.40664.26752.49034.94694.2988
H92.57522.13633.39661.07563.87012.16443.40664.26754.94692.49034.2988
H104.47703.36362.13903.87161.07683.38912.14702.49034.94694.28132.4747
H114.47703.36363.87162.13903.38911.07682.14704.94692.49034.28132.4747
H125.17373.83623.39583.39582.14712.14711.07634.29884.29882.47472.4747

picture of Fluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 C2 C3 118.691 F1 C2 C4 118.691
C2 C3 C5 118.275 C2 C3 H8 119.853
C2 C4 C6 118.275 C2 C4 H9 119.853
C3 C2 C4 122.618 C3 C5 C7 120.554
C3 C5 H10 119.362 C4 C6 C7 120.554
C4 C6 H11 119.362 C5 C3 H8 121.872
C5 C7 C6 119.724 C5 C7 H12 120.138
C6 C4 H9 121.872 C6 C7 H12 120.138
C7 C5 H10 120.083 C7 C6 H11 120.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.322      
2 C 0.503      
3 C -0.386      
4 C -0.386      
5 C -0.179      
6 C -0.179      
7 C -0.282      
8 H 0.251      
9 H 0.251      
10 H 0.244      
11 H 0.244      
12 H 0.241      


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 -1.805 1.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.006 0.000 0.000
y 0.000 -33.870 0.000
z 0.000 0.000 -40.634
Traceless
 xyz
x -6.753 0.000 0.000
y 0.000 8.450 0.000
z 0.000 0.000 -1.697
Polar
3z2-r2-3.393
x2-y2-10.136
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.739 0.000 0.000
y 0.000 10.675 0.000
z 0.000 0.000 10.716


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000