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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: CID/6-311G*

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/6-311G*
 hartrees
Energy at 0K-429.455501
Energy at 298.15K-429.460529
Nuclear repulsion energy350.088907
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/6-311G*
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 3346 3109 3.12      
2 A1 3330 3094 9.42      
3 A1 1768 1642 33.98      
4 A1 1651 1534 218.46      
5 A1 1386 1287 113.26      
6 A1 1328 1234 5.55      
7 A1 1216 1130 0.01      
8 A1 1101 1023 7.69      
9 A1 820 762 37.54      
10 A1 609 566 4.28      
11 A1 303 281 0.44      
12 A2 992 922 0.00      
13 A2 908 843 0.00      
14 A2 709 659 0.00      
15 A2 576 535 0.00      
16 A2 201 187 0.00      
17 B1 991 921 9.70      
18 B1 819 761 103.49      
19 B1 494 459 3.13      
20 B1 317 295 0.01      
21 B2 3340 3103 5.25      
22 B2 3317 3082 1.08      
23 B2 1771 1645 8.48      
24 B2 1577 1465 17.33      
25 B2 1363 1267 8.00      
26 B2 1302 1210 41.79      
27 B2 1179 1095 21.49      
28 B2 898 834 17.47      
29 B2 580 539 4.31      
30 B2 463 430 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 19326.6 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 17956.3 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 CID/6-311G*
ABC
0.11049 0.07535 0.04480

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.686 -0.532
C2 0.000 -0.686 -0.532
C3 0.000 -1.385 0.651
C4 0.000 -0.692 1.848
C5 0.000 0.692 1.848
C6 0.000 1.385 0.651
F7 0.000 1.335 -1.689
F8 0.000 -1.335 -1.689
H9 0.000 -2.460 0.617
H10 0.000 -1.236 2.777
H11 0.000 1.236 2.777
H12 0.000 2.460 0.617

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.37232.38492.75052.38021.37381.32702.32933.34913.82623.35392.1132
C21.37231.37382.38022.75052.38492.32931.32702.11323.35393.82623.3491
C32.38491.37381.38302.39732.76943.58822.34101.07542.13083.37403.8445
C42.75052.38021.38301.38462.39734.07753.59562.15381.07572.13983.3838
C52.38022.75052.39731.38461.38303.59564.07753.38382.13981.07572.1538
C61.37382.38492.76942.39731.38302.34103.58823.84453.37402.13081.0754
F71.32702.32933.58824.07753.59562.34102.67024.44085.15314.46722.5661
F82.32931.32702.34103.59564.07753.58822.67022.56614.46725.15314.4408
H93.34912.11321.07542.15383.38383.84454.44082.56612.48234.27994.9192
H103.82623.35392.13081.07572.13983.37405.15314.46722.48232.47124.2799
H113.35393.82623.37402.13981.07572.13084.46725.15314.27992.47122.4823
H122.11323.34913.84453.38382.15381.07542.56614.44084.91924.27992.4823

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.562 C1 C2 F8 119.276
C1 C6 C5 119.394 C1 C6 H12 118.755
C2 C1 C6 120.562 C2 C1 F7 119.276
C2 C3 C4 119.394 C2 C3 H9 118.755
C3 C2 F8 120.163 C3 C4 C5 120.044
C3 C4 H10 119.621 C4 C3 H9 121.851
C4 C5 C6 120.044 C4 C5 H11 120.335
C5 C4 H10 120.335 C5 C6 H12 121.851
C6 C1 F7 120.163 C6 C5 H11 119.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability