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: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-330.553155
Energy at 298.15K-330.558622
HF Energy-329.562032
Nuclear repulsion energy268.791829
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 QCISD/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 3285 3092 0.02      
2 A1 3271 3079 20.93      
3 A1 3248 3058 0.05      
4 A1 1701 1601 44.82      
5 A1 1574 1482 71.37      
6 A1 1296 1220 79.82      
7 A1 1204 1134 6.28      
8 A1 1060 998 3.03      
9 A1 1029 969 0.26      
10 A1 833 784 19.98      
11 A1 526 495 3.48      
12 A2 941 886 0.00      
13 A2 837 788 0.00      
14 A2 412 388 0.00      
15 B1 936 881 0.52      
16 B1 879 828 3.27      
17 B1 756 712 84.40      
18 B1 563 530 0.01      
19 B1 493 464 4.44      
20 B1 240 226 0.13      
21 B2 3283 3091 8.34      
22 B2 3257 3067 11.65      
23 B2 1699 1599 7.54      
24 B2 1526 1437 1.37      
25 B2 1361 1281 0.58      
26 B2 1317 1240 0.19      
27 B2 1197 1127 0.48      
28 B2 1113 1048 5.36      
29 B2 630 593 0.06      
30 B2 405 381 2.57      

Unscaled Zero Point Vibrational Energy (zpe) 20435.4 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 19237.9 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 QCISD/6-31G**
ABC
0.18882 0.08521 0.05872

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 2.286
C2 0.000 0.000 0.929
C3 0.000 1.219 0.260
C4 0.000 -1.219 0.260
C5 0.000 1.209 -1.136
C6 0.000 -1.209 -1.136
C7 0.000 0.000 -1.836
H8 0.000 2.139 0.828
H9 0.000 -2.139 0.828
H10 0.000 2.148 -1.675
H11 0.000 -2.148 -1.675
H12 0.000 0.000 -2.918

Atom - Atom Distances (Å)
  F1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
F11.35732.36382.36383.62953.62954.12222.58902.58904.50584.50585.2043
C21.35731.38991.38992.39292.39292.76502.14162.14163.37533.37533.8470
C32.36381.38992.43771.39682.80122.42541.08103.40562.14703.88373.4046
C42.36381.38992.43772.80121.39682.42543.40561.08103.88372.14703.4046
C53.62952.39291.39682.80122.41861.39732.17293.88191.08243.40052.1537
C63.62952.39292.80121.39682.41861.39733.88192.17293.40051.08242.1537
C74.12222.76502.42542.42541.39731.39733.41663.41662.15432.15431.0820
H82.58902.14161.08103.40562.17293.88193.41664.27842.50244.96434.3138
H92.58902.14163.40561.08103.88192.17293.41664.27844.96432.50244.3138
H104.50583.37532.14703.88371.08243.40052.15432.50244.96434.29652.4822
H114.50583.37533.88372.14703.40051.08242.15434.96432.50244.29652.4822
H125.20433.84703.40463.40462.15372.15371.08204.31384.31382.48222.4822

picture of Fluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 C2 C3 118.727 F1 C2 C4 118.727
C2 C3 C5 118.335 C2 C3 H8 119.635
C2 C4 C6 118.335 C2 C4 H9 119.635
C3 C2 C4 122.546 C3 C5 C7 120.460
C3 C5 H10 119.446 C4 C6 C7 120.460
C4 C6 H11 119.446 C5 C3 H8 122.030
C5 C7 C6 119.863 C5 C7 H12 120.068
C6 C4 H9 122.030 C6 C7 H12 120.068
C7 C5 H10 120.094 C7 C6 H11 120.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability