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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-429.566450
Energy at 298.15K-429.571190
Nuclear repulsion energy345.177160
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/cc-pVDZ
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 3260 3105 1.57      
2 A1 3245 3091 5.90      
3 A1 1669 1590 29.68      
4 A1 1558 1484 184.31      
5 A1 1479 1409 9.20      
6 A1 1311 1249 96.09      
7 A1 1164 1108 0.81      
8 A1 1047 997 6.14      
9 A1 774 737 32.09      
10 A1 573 546 3.35      
11 A1 281 268 0.31      
12 A2 946 901 0.00      
13 A2 852 812 0.00      
14 A2 667 635 0.00      
15 A2 549 523 0.00      
16 A2 188 179 0.00      
17 B1 931 887 7.05      
18 B1 768 732 74.68      
19 B1 466 444 2.14      
20 B1 299 284 0.00      
21 B2 3254 3100 1.74      
22 B2 3233 3079 0.70      
23 B2 1673 1594 8.65      
24 B2 1488 1417 11.49      
25 B2 1283 1222 9.84      
26 B2 1230 1171 31.09      
27 B2 1116 1063 20.25      
28 B2 855 815 16.30      
29 B2 548 522 3.11      
30 B2 435 415 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 18571.2 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 17689.1 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/cc-pVDZ
ABC
0.10756 0.07317 0.04355

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.700 -0.543
C2 0.000 -0.700 -0.543
C3 0.000 -1.405 0.663
C4 0.000 -0.703 1.880
C5 0.000 0.703 1.880
C6 0.000 1.405 0.663
F7 0.000 1.357 -1.717
F8 0.000 -1.357 -1.717
H9 0.000 -2.497 0.628
H10 0.000 -1.256 2.824
H11 0.000 1.256 2.824
H12 0.000 2.497 0.628

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.39962.42552.79992.42331.39691.34552.36843.40493.89363.41242.1454
C21.39961.39692.42332.79992.42552.36841.34552.14543.41243.89363.4049
C32.42551.39691.40502.43362.80913.64582.38051.09332.16593.42723.9020
C42.79992.42331.40501.40562.43364.14533.65622.18811.09372.17403.4363
C52.42332.79992.43361.40561.40503.65624.14533.43632.17401.09372.1881
C61.39692.42552.80912.43361.40502.38053.64583.90203.42722.16591.0933
F71.34552.36843.64584.14533.65622.38052.71444.51195.23894.54192.6076
F82.36841.34552.38053.65624.14533.64582.71442.60764.54195.23894.5119
H93.40492.14541.09332.18813.43633.90204.51192.60762.52234.34814.9946
H103.89363.41242.16591.09372.17403.42725.23894.54192.52232.51154.3481
H113.41243.89363.42722.17401.09372.16594.54195.23894.34812.51152.5223
H122.14543.40493.90203.43632.18811.09332.60764.51194.99464.34812.5223

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.298 C1 C2 F8 119.249
C1 C6 C5 119.737 C1 C6 H12 118.472
C2 C1 C6 120.298 C2 C1 F7 119.249
C2 C3 C4 119.737 C2 C3 H9 118.472
C3 C2 F8 120.453 C3 C4 C5 119.965
C3 C4 H10 119.665 C4 C3 H9 121.791
C4 C5 C6 119.965 C4 C5 H11 120.370
C5 C4 H10 120.370 C5 C6 H12 121.791
C6 C1 F7 120.453 C6 C5 H11 119.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability