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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-429.047203
Energy at 298.15K-429.051666
Nuclear repulsion energy340.855559
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 CCD/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 3203 3074 2.22      
2 A1 3183 3054 12.31      
3 A1 1662 1595 9.87      
4 A1 1556 1493 91.13      
5 A1 1300 1247 48.88      
6 A1 1281 1230 5.14      
7 A1 1205 1156 0.17      
8 A1 1051 1008 5.83      
9 A1 763 732 25.87      
10 A1 582 558 5.33      
11 A1 274 263 0.95      
12 A2 881 845 0.00      
13 A2 812 779 0.00      
14 A2 522 501 0.00      
15 A2 497 477 0.00      
16 A2 183 176 0.00      
17 B1 877 842 5.05      
18 B1 751 721 101.93      
19 B1 438 421 0.84      
20 B1 279 268 0.68      
21 B2 3198 3069 4.87      
22 B2 3167 3039 2.36      
23 B2 1659 1592 2.64      
24 B2 1505 1444 7.79      
25 B2 1311 1258 0.40      
26 B2 1232 1182 21.09      
27 B2 1137 1091 16.92      
28 B2 866 831 12.61      
29 B2 537 516 4.72      
30 B2 431 413 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 18171.3 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 17435.4 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 CCD/6-31G
ABC
0.10461 0.07140 0.04244

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.703 -0.535
C2 0.000 -0.703 -0.535
C3 0.000 -1.414 0.675
C4 0.000 -0.707 1.897
C5 0.000 0.707 1.897
C6 0.000 1.414 0.675
F7 0.000 1.386 -1.745
F8 0.000 -1.386 -1.745
H9 0.000 -2.505 0.644
H10 0.000 -1.257 2.840
H11 0.000 1.257 2.840
H12 0.000 2.505 0.644

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.40592.43862.81112.43201.40401.38922.41373.41803.90353.42072.1538
C21.40591.40402.43202.81112.43862.41371.38922.15383.42073.90353.4180
C32.43861.40401.41122.44722.82783.70092.42081.09162.17043.43843.9191
C42.81112.43201.41121.41362.44724.20023.70472.19151.09242.17903.4475
C52.43202.81112.44721.41361.41123.70474.20023.44752.17901.09242.1915
C61.40402.43862.82782.44721.41122.42083.70093.91913.43842.17041.0916
F71.38922.41373.70094.20023.70472.42082.77134.56585.29264.58722.6386
F82.41371.38922.42083.70474.20023.70092.77132.63864.58725.29264.5658
H93.41802.15381.09162.19153.44753.91914.56582.63862.52574.35655.0102
H103.90353.42072.17041.09242.17903.43845.29264.58722.52572.51494.3565
H113.42073.90353.43842.17901.09242.17044.58725.29264.35652.51492.5257
H122.15383.41803.91913.44752.19151.09162.63864.56585.01024.35652.5257

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.422 C1 C2 F8 119.433
C1 C6 C5 119.507 C1 C6 H12 118.781
C2 C1 C6 120.422 C2 C1 F7 119.433
C2 C3 C4 119.507 C2 C3 H9 118.781
C3 C2 F8 120.145 C3 C4 C5 120.071
C3 C4 H10 119.659 C4 C3 H9 121.712
C4 C5 C6 120.071 C4 C5 H11 120.270
C5 C4 H10 120.270 C5 C6 H12 121.712
C6 C1 F7 120.145 C6 C5 H11 119.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability