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All results from a given calculation for C6H5F (Fluorobenzene)

using model chemistry: QCISD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-328.416777
Energy at 298.15K-328.422363
HF Energy-327.738772
Nuclear repulsion energy266.347658
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/3-21G*
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 3196 3071 0.01      
2 A1 3176 3053 15.21      
3 A1 3152 3029 0.02      
4 A1 1630 1567 46.02      
5 A1 1544 1484 40.96      
6 A1 1294 1244 39.36      
7 A1 1219 1172 2.54      
8 A1 1050 1009 0.67      
9 A1 1020 980 1.66      
10 A1 827 795 12.35      
11 A1 536 515 2.48      
12 A2 962 925 0.00      
13 A2 851 818 0.00      
14 A2 429 413 0.00      
15 B1 951 914 0.12      
16 B1 915 879 15.95      
17 B1 770 740 95.41      
18 B1 687 660 12.64      
19 B1 512 492 6.61      
20 B1 245 236 0.20      
21 B2 3192 3068 5.54      
22 B2 3162 3039 8.47      
23 B2 1607 1545 8.66      
24 B2 1499 1440 2.10      
25 B2 1368 1315 0.24      
26 B2 1260 1211 0.11      
27 B2 1178 1132 0.76      
28 B2 1095 1053 5.52      
29 B2 650 625 0.05      
30 B2 389 374 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 20182.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 19397.2 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 QCISD/3-21G*
ABC
0.18731 0.08293 0.05748

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 2.324
C2 0.000 0.000 0.940
C3 0.000 1.219 0.256
C4 0.000 -1.219 0.256
C5 0.000 1.218 -1.150
C6 0.000 -1.218 -1.150
C7 0.000 0.000 -1.857
H8 0.000 2.148 0.821
H9 0.000 -2.148 0.821
H10 0.000 2.164 -1.690
H11 0.000 -2.164 -1.690
H12 0.000 0.000 -2.946

Atom - Atom Distances (Å)
  F1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
F11.38422.40072.40073.68133.68134.18092.62162.62164.56004.56005.2700
C21.38421.39791.39792.41872.41872.79672.15142.15143.40543.40543.8858
C32.40071.39792.43851.40612.81352.43951.08733.41452.16303.90273.4263
C42.40071.39792.43852.81351.40612.43953.41451.08733.90272.16303.4263
C53.68132.41871.40612.81352.43531.40792.17993.90061.08923.42412.1698
C63.68132.41872.81351.40612.43531.40793.90062.17993.42411.08922.1698
C74.18092.79672.43952.43951.40791.40793.43323.43322.17012.17011.0891
H82.62162.15141.08733.41452.17993.90063.43324.29632.51124.98984.3367
H92.62162.15143.41451.08733.90062.17993.43324.29634.98982.51124.3367
H104.56003.40542.16303.90271.08923.42412.17012.51124.98984.32742.5018
H114.56003.40543.90272.16303.42411.08922.17014.98982.51124.32742.5018
H125.27003.88583.42633.42632.16982.16981.08914.33674.33672.50182.5018

picture of Fluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 C2 C3 119.285 F1 C2 C4 119.285
C2 C3 C5 119.218 C2 C3 H8 119.394
C2 C4 C6 119.218 C2 C4 H9 119.394
C3 C2 C4 121.430 C3 C5 C7 120.201
C3 C5 H10 119.643 C4 C6 C7 120.201
C4 C6 H11 119.643 C5 C3 H8 121.387
C5 C7 C6 119.730 C5 C7 H12 120.135
C6 C4 H9 121.387 C6 C7 H12 120.135
C7 C5 H10 120.156 C7 C6 H11 120.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability