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All results from a given calculation for C6H5F (Fluorobenzene)

using model chemistry: MP2/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 MP2/CEP-121G
 hartrees
Energy at 0K-60.206013
Energy at 298.15K-60.211408
HF Energy-59.578631
Nuclear repulsion energy133.693212
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 MP2/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 A' 3178 3102 0.34      
2 A' 3160 3084 29.13      
3 A' 3134 3058 0.07      
4 A' 1584 1546 31.23      
5 A' 1487 1452 52.32      
6 A' 1195 1167 10.03      
7 A' 1155 1128 63.38      
8 A' 1053 1028 3.27      
9 A' 1030 1005 3.42      
10 A' 990 966 4.09      
11 A' 871 850 6.06      
12 A' 774 756 30.39      
13 A' 733 715 110.07      
14 A' 666 650 11.77      
15 A' 500 488 6.53      
16 A' 458 447 9.48      
17 A' 224 219 0.39      
18 A" 3175 3099 12.81      
19 A" 3145 3070 16.95      
20 A" 1599 1561 7.31      
21 A" 1459 1424 2.13      
22 A" 1352 1319 0.04      
23 A" 1335 1303 0.31      
24 A" 1185 1157 0.26      
25 A" 1073 1047 7.44      
26 A" 923 901 3.62      
27 A" 818 798 0.02      
28 A" 614 600 0.15      
29 A" 398 389 0.00      
30 A" 368 359 3.68      

Unscaled Zero Point Vibrational Energy (zpe) 19817.9 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 19342.3 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 MP2/CEP-121G
ABC
0.18014 0.08058 0.05569

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.077 2.365 0.000
C2 0.037 0.928 0.000
C3 -0.013 0.262 1.250
C4 -0.013 0.262 -1.250
C5 -0.013 -1.167 1.239
C6 -0.013 -1.167 -1.239
C7 -0.074 -1.879 0.000
H8 0.025 0.836 2.178
H9 0.025 0.836 -2.178
H10 -0.062 -1.710 2.187
H11 -0.062 -1.710 -2.187
H12 -0.071 -2.972 0.000

Atom - Atom Distances (Å)
  F1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
F11.43732.44782.44783.74413.74414.24632.66182.66184.62654.62655.3387
C21.43731.41741.41742.43472.43472.80912.18012.18013.42793.42793.9014
C32.44781.41742.50061.42972.87052.48021.09133.47622.18393.96293.4680
C42.44781.41742.50062.87051.42972.48023.47621.09133.96292.18393.4680
C53.74412.43471.42972.87052.47781.43002.21263.96101.09323.46862.1897
C63.74412.43472.87051.42972.47781.43003.96102.21263.46861.09322.1897
C74.24632.80912.48022.48021.43001.43003.48173.48172.19322.19321.0931
H82.66182.18011.09133.47622.21263.96103.48174.35632.54715.05364.3876
H92.66182.18013.47621.09133.96102.21263.48174.35635.05362.54714.3876
H104.62653.42792.18393.96291.09323.46862.19322.54715.05364.37322.5246
H114.62653.42793.96292.18393.46861.09322.19325.05362.54714.37322.5246
H125.33873.90143.46803.46802.18972.18971.09314.38764.38762.52462.5246

picture of Fluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 C2 C3 118.064 F1 C2 C4 118.064
C2 C3 C5 117.555 C2 C3 H8 120.133
C2 C4 C6 117.555 C2 C4 H9 120.133
C3 C2 C4 123.800 C3 C5 C7 120.296
C3 C5 H10 119.307 C4 C6 C7 120.296
C4 C6 H11 119.307 C5 C3 H8 122.145
C5 C7 C6 120.079 C5 C7 H12 119.831
C6 C4 H9 122.145 C6 C7 H12 119.831
C7 C5 H10 120.144 C7 C6 H11 120.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability