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All results from a given calculation for C6H5F (Fluorobenzene)

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-60.553487
Energy at 298.15K-60.558926
HF Energy-59.682662
Nuclear repulsion energy135.051131
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-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 3243 3079 1.40      
2 A1 3228 3064 16.59      
3 A1 3192 3031 0.20      
4 A1 1662 1578 48.74      
5 A1 1522 1445 91.34      
6 A1 1249 1186 91.30      
7 A1 1175 1115 10.16      
8 A1 1039 987 8.77      
9 A1 1005 955 1.30      
10 A1 809 768 26.32      
11 A1 504 478 3.58      
12 A2 940 892 0.00      
13 A2 844 802 0.00      
14 A2 416 395 0.00      
15 B1 926 879 0.23      
16 B1 897 851 8.73      
17 B1 778 738 137.66      
18 B1 640 608 4.55      
19 B1 501 476 9.87      
20 B1 237 225 0.06      
21 B2 3241 3077 7.57      
22 B2 3208 3046 9.88      
23 B2 1668 1584 6.08      
24 B2 1490 1415 0.04      
25 B2 1478 1404 1.98      
26 B2 1318 1251 0.81      
27 B2 1175 1115 0.04      
28 B2 1090 1035 9.76      
29 B2 602 572 0.15      
30 B2 396 376 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 20236.7 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 19212.7 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 MP2/CEP-31G*
ABC
0.18200 0.08297 0.05699

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 2.312
C2 0.000 0.000 0.944
C3 0.000 1.243 0.269
C4 0.000 -1.243 0.269
C5 0.000 1.231 -1.153
C6 0.000 -1.231 -1.153
C7 0.000 0.000 -1.865
H8 0.000 2.176 0.842
H9 0.000 -2.176 0.842
H10 0.000 2.182 -1.698
H11 0.000 -2.182 -1.698
H12 0.000 0.000 -2.960

Atom - Atom Distances (Å)
  F1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
F11.36822.39222.39223.67743.67744.17702.62602.62604.56534.56535.2722
C21.36821.41501.41502.43162.43162.80872.17802.17803.42643.42643.9040
C32.39221.41502.48681.42152.85382.46921.09423.46662.17893.94973.4597
C42.39221.41502.48682.85381.42152.46923.46661.09423.94972.17893.4597
C53.67742.43161.42152.85382.46241.42222.20673.94761.09593.45642.1866
C63.67742.43162.85381.42152.46241.42223.94762.20673.45641.09592.1866
C74.17702.80872.46922.46921.42221.42223.47233.47232.18842.18841.0952
H82.62602.17801.09423.46662.20673.94763.47234.35112.53945.04354.3800
H92.62602.17803.46661.09423.94762.20673.47234.35115.04352.53944.3800
H104.56533.42642.17893.94971.09593.45642.18842.53945.04354.36402.5207
H114.56533.42643.94972.17893.45641.09592.18845.04352.53944.36402.5207
H125.27223.90403.45973.45972.18662.18661.09524.38004.38002.52072.5207

picture of Fluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 C2 C3 118.511 F1 C2 C4 118.511
C2 C3 C5 118.021 C2 C3 H8 119.911
C2 C4 C6 118.021 C2 C4 H9 119.911
C3 C2 C4 122.977 C3 C5 C7 120.525
C3 C5 H10 119.330 C4 C6 C7 120.525
C4 C6 H11 119.330 C5 C3 H8 122.068
C5 C7 C6 119.931 C5 C7 H12 120.035
C6 C4 H9 122.068 C6 C7 H12 120.035
C7 C5 H10 120.145 C7 C6 H11 120.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability