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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-430.100399
Energy at 298.15K-430.105275
Nuclear repulsion energy349.240931
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/cc-pVTZ
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 3269 3103 0.98      
2 A1 3249 3084 5.01      
3 A1 1672 1588 31.85      
4 A1 1566 1487 188.54      
5 A1 1481 1406 5.61      
6 A1 1322 1255 104.46      
7 A1 1191 1131 1.03      
8 A1 1057 1003 6.34      
9 A1 783 743 29.24      
10 A1 580 551 3.25      
11 A1 287 272 0.25      
12 A2 984 934 0.00      
13 A2 874 830 0.00      
14 A2 712 676 0.00      
15 A2 578 548 0.00      
16 A2 191 182 0.00      
17 B1 962 914 5.91      
18 B1 788 748 81.14      
19 B1 473 450 3.15      
20 B1 302 287 0.00      
21 B2 3261 3096 0.71      
22 B2 3231 3067 0.77      
23 B2 1672 1588 9.58      
24 B2 1499 1423 12.54      
25 B2 1295 1230 8.76      
26 B2 1243 1180 31.48      
27 B2 1134 1077 19.37      
28 B2 872 828 16.83      
29 B2 556 527 3.04      
30 B2 443 420 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 18763.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 17813.6 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/cc-pVTZ
ABC
0.10998 0.07493 0.04457

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.691 -0.532
C2 0.000 -0.691 -0.532
C3 0.000 -1.387 0.656
C4 0.000 -0.693 1.854
C5 0.000 0.693 1.854
C6 0.000 1.387 0.656
F7 0.000 1.345 -1.697
F8 0.000 -1.345 -1.697
H9 0.000 -2.462 0.623
H10 0.000 -1.235 2.782
H11 0.000 1.235 2.782
H12 0.000 2.462 0.623

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38142.39382.75862.38641.37751.33572.34493.35743.83363.35912.1146
C21.38141.37752.38642.75862.39382.34491.33572.11463.35913.83363.3574
C32.39381.37751.38462.40062.77463.60552.35351.07482.13163.37633.8490
C42.75862.38641.38461.38612.40064.09423.61042.15451.07512.14033.3861
C52.38642.75862.40061.38611.38463.61044.09423.38612.14031.07512.1545
C61.37752.39382.77462.40061.38462.35353.60553.84903.37632.13161.0748
F71.33572.34493.60554.09423.61042.35352.68904.45765.16924.48062.5753
F82.34491.33572.35353.61044.09423.60552.68902.57534.48065.16924.4576
H93.35742.11461.07482.15453.38613.84904.45762.57532.48274.28124.9231
H103.83363.35912.13161.07512.14033.37635.16924.48062.48272.47104.2812
H113.35913.83363.37632.14031.07512.13164.48065.16924.28122.47102.4827
H122.11463.35743.84903.38612.15451.07482.57534.45764.92314.28122.4827

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.378 C1 C2 F8 119.308
C1 C6 C5 119.530 C1 C6 H12 118.638
C2 C1 C6 120.378 C2 C1 F7 119.308
C2 C3 C4 119.530 C2 C3 H9 118.638
C3 C2 F8 120.314 C3 C4 C5 120.092
C3 C4 H10 119.607 C4 C3 H9 121.831
C4 C5 C6 120.092 C4 C5 H11 120.302
C5 C4 H10 120.302 C5 C6 H12 121.831
C6 C1 F7 120.314 C6 C5 H11 119.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability