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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-60.121305
Energy at 298.15K-60.126551
HF Energy-59.561405
Nuclear repulsion energy132.663467
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 3217 3108 2.70      
2 A1 3194 3086 34.37      
3 A1 3152 3046 0.00      
4 A1 1596 1542 30.18      
5 A1 1487 1437 56.24      
6 A1 1194 1154 10.19      
7 A1 1154 1115 55.90      
8 A1 1021 987 10.39      
9 A1 989 956 0.52      
10 A1 770 744 27.32      
11 A1 493 477 5.61      
12 A2 889 859 0.00      
13 A2 818 790 0.00      
14 A2 408 395 0.00      
15 B1 875 845 1.07      
16 B1 855 826 3.33      
17 B1 752 726 153.90      
18 B1 572 553 0.44      
19 B1 467 451 8.08      
20 B1 228 220 0.39      
21 B2 3213 3105 21.74      
22 B2 3172 3065 17.47      
23 B2 1615 1561 7.20      
24 B2 1456 1407 2.66      
25 B2 1386 1339 0.01      
26 B2 1329 1284 0.55      
27 B2 1185 1145 0.14      
28 B2 1075 1039 8.81      
29 B2 606 585 0.15      
30 B2 367 355 3.73      

Unscaled Zero Point Vibrational Energy (zpe) 19766.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 19100.7 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
0.17678 0.07949 0.05483

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 2.378
C2 0.000 0.000 0.940
C3 0.000 1.263 0.267
C4 0.000 -1.263 0.267
C5 0.000 1.251 -1.176
C6 0.000 -1.251 -1.176
C7 0.000 0.000 -1.896
H8 0.000 2.198 0.843
H9 0.000 -2.198 0.843
H10 0.000 2.205 -1.724
H11 0.000 -2.205 -1.724
H12 0.000 0.000 -2.996

Atom - Atom Distances (Å)
  F1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12
F11.43872.46042.46043.76793.76794.27492.68062.68064.65724.65725.3749
C21.43871.43111.43112.45762.45762.83622.19962.19963.45773.45773.9362
C32.46041.43112.52631.44302.89852.50531.09773.50832.20233.99883.4994
C42.46041.43112.52632.89851.44302.50533.50831.09773.99882.20233.4994
C53.76792.45761.44302.89852.50121.44332.23023.99581.10033.49852.2087
C63.76792.45762.89851.44302.50121.44333.99582.23023.49851.10032.2087
C74.27492.83622.50532.50531.44331.44333.51213.51212.21152.21151.1000
H82.68062.19961.09773.50832.23023.99583.51214.39502.56715.09614.4241
H92.68062.19963.50831.09773.99582.23023.51214.39505.09612.56714.4241
H104.65723.45772.20233.99881.10033.49852.21152.56715.09614.40952.5457
H114.65723.45773.99882.20233.49851.10032.21155.09612.56714.40952.5457
H125.37493.93623.49943.49942.20872.20871.10004.42414.42412.54572.5457

picture of Fluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 C2 C3 118.037 F1 C2 C4 118.037
C2 C3 C5 117.537 C2 C3 H8 120.301
C2 C4 C6 117.537 C2 C4 H9 120.301
C3 C2 C4 123.926 C3 C5 C7 120.449
C3 C5 H10 119.366 C4 C6 C7 120.449
C4 C6 H11 119.366 C5 C3 H8 122.162
C5 C7 C6 120.102 C5 C7 H12 119.949
C6 C4 H9 122.162 C6 C7 H12 119.949
C7 C5 H10 120.186 C7 C6 H11 120.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability