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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-429.284039
Energy at 298.15K-429.289007
Nuclear repulsion energy349.553601
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 CID/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 3361 3105 1.67      
2 A1 3346 3091 9.43      
3 A1 1784 1648 29.51      
4 A1 1664 1537 202.66      
5 A1 1396 1289 97.23      
6 A1 1344 1242 7.06      
7 A1 1234 1140 0.00      
8 A1 1111 1026 6.53      
9 A1 826 763 34.67      
10 A1 611 564 4.05      
11 A1 296 274 0.43      
12 A2 1004 927 0.00      
13 A2 905 836 0.00      
14 A2 659 608 0.00      
15 A2 577 533 0.00      
16 A2 202 186 0.00      
17 B1 991 915 7.37      
18 B1 820 757 91.14      
19 B1 487 450 1.10      
20 B1 315 291 0.17      
21 B2 3357 3101 3.38      
22 B2 3332 3078 1.39      
23 B2 1785 1649 7.61      
24 B2 1591 1470 15.92      
25 B2 1372 1267 8.03      
26 B2 1312 1212 36.66      
27 B2 1190 1100 18.68      
28 B2 903 834 15.57      
29 B2 579 534 4.25      
30 B2 463 428 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 19407.5 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 17926.8 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 CID/6-31G*
ABC
0.11037 0.07505 0.04467

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.686 -0.529
C2 0.000 -0.686 -0.529
C3 0.000 -1.385 0.653
C4 0.000 -0.692 1.850
C5 0.000 0.692 1.850
C6 0.000 1.385 0.653
F7 0.000 1.336 -1.694
F8 0.000 -1.336 -1.694
H9 0.000 -2.461 0.619
H10 0.000 -1.235 2.779
H11 0.000 1.235 2.779
H12 0.000 2.461 0.619

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.37222.38482.74872.37831.37331.33412.33373.34943.82513.35282.1133
C21.37221.37332.37832.74872.38482.33371.33412.11333.35283.82513.3494
C32.38481.37331.38252.39712.77043.59362.34761.07592.13073.37413.8459
C42.74872.37831.38251.38412.39714.08273.60132.15441.07642.13973.3842
C52.37832.74872.39711.38411.38253.60134.08273.38422.13971.07642.1544
C61.37332.38482.77042.39711.38252.34763.59363.84593.37412.13071.0759
F71.33412.33373.59364.08273.60132.34762.67214.44565.15904.47362.5717
F82.33371.33412.34763.60134.08273.59362.67212.57174.47365.15904.4456
H93.34942.11331.07592.15443.38423.84594.44562.57172.48304.28064.9210
H103.82513.35282.13071.07642.13973.37415.15904.47362.48302.47074.2806
H113.35283.82513.37412.13971.07642.13074.47365.15904.28062.47072.4830
H122.11333.34943.84593.38422.15441.07592.57174.44564.92104.28062.4830

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.601 C1 C2 F8 119.156
C1 C6 C5 119.310 C1 C6 H12 118.778
C2 C1 C6 120.601 C2 C1 F7 119.156
C2 C3 C4 119.310 C2 C3 H9 118.778
C3 C2 F8 120.243 C3 C4 C5 120.089
C3 C4 H10 119.598 C4 C3 H9 121.911
C4 C5 C6 120.089 C4 C5 H11 120.313
C5 C4 H10 120.313 C5 C6 H12 121.911
C6 C1 F7 120.243 C6 C5 H11 119.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability