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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-429.555162
Energy at 298.15K-429.559736
Nuclear repulsion energy346.974078
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=FULL/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 3300 3083 1.81      
2 A1 3286 3070 7.51      
3 A1 1691 1580 23.80      
4 A1 1583 1479 172.96      
5 A1 1472 1376 3.45      
6 A1 1332 1245 95.39      
7 A1 1201 1122 0.82      
8 A1 1065 995 5.50      
9 A1 785 734 28.57      
10 A1 582 544 3.39      
11 A1 280 261 0.35      
12 A2 912 852 0.00      
13 A2 834 779 0.00      
14 A2 561 525 0.00      
15 A2 459 428 0.00      
16 A2 187 175 0.00      
17 B1 901 842 5.33      
18 B1 767 716 77.59      
19 B1 451 422 0.90      
20 B1 295 276 0.05      
21 B2 3295 3079 2.32      
22 B2 3274 3059 1.08      
23 B2 1692 1581 7.61      
24 B2 1520 1420 11.03      
25 B2 1310 1224 6.68      
26 B2 1249 1167 29.84      
27 B2 1141 1066 20.10      
28 B2 868 811 14.25      
29 B2 553 516 3.37      
30 B2 440 411 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18641.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 17418.9 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=FULL/6-31G**
ABC
0.10884 0.07386 0.04400

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.695 -0.534
C2 0.000 -0.695 -0.534
C3 0.000 -1.396 0.662
C4 0.000 -0.697 1.867
C5 0.000 0.697 1.867
C6 0.000 1.396 0.662
F7 0.000 1.351 -1.710
F8 0.000 -1.351 -1.710
H9 0.000 -2.475 0.628
H10 0.000 -1.242 2.799
H11 0.000 1.242 2.799
H12 0.000 2.475 0.628

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38922.40802.77462.40041.38591.34732.35963.37523.85423.37712.1253
C21.38921.38592.40042.77462.40802.35961.34732.12533.37713.85423.3752
C32.40801.38591.39302.41502.79163.62902.37251.07932.14263.39483.8705
C42.77462.40041.39301.39422.41504.12183.63632.16671.07962.15143.4051
C52.40042.77462.41501.39421.39303.63634.12183.40512.15141.07962.1667
C61.38592.40802.79162.41501.39302.37253.62903.87053.39482.14261.0793
F71.34732.35963.62904.12183.63632.37252.70134.48315.20134.51052.5941
F82.35961.34732.37253.63634.12183.62902.70132.59414.51055.20134.4831
H93.37522.12531.07932.16673.40513.87054.48312.59412.49674.30414.9491
H103.85423.37712.14261.07962.15143.39485.20134.51052.49672.48374.3041
H113.37713.85423.39482.15141.07962.14264.51055.20134.30412.48372.4967
H122.12533.37523.87053.40512.16671.07932.59414.48314.94914.30412.4967

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.397 C1 C2 F8 119.141
C1 C6 C5 119.496 C1 C6 H12 118.588
C2 C1 C6 120.397 C2 C1 F7 119.141
C2 C3 C4 119.496 C2 C3 H9 118.588
C3 C2 F8 120.462 C3 C4 C5 120.106
C3 C4 H10 119.589 C4 C3 H9 121.915
C4 C5 C6 120.106 C4 C5 H11 120.305
C5 C4 H10 120.305 C5 C6 H12 121.915
C6 C1 F7 120.462 C6 C5 H11 119.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability