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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-429.994074
Energy at 298.15K-429.998769
HF Energy-428.570599
Nuclear repulsion energy347.903812
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/Def2TZVPP
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 3254 3096 1.14      
2 A1 3239 3082 4.48      
3 A1 1659 1579 31.00      
4 A1 1553 1478 188.25      
5 A1 1466 1395 3.93      
6 A1 1312 1248 113.23      
7 A1 1175 1118 0.92      
8 A1 1048 998 6.51      
9 A1 776 738 30.15      
10 A1 575 547 3.28      
11 A1 286 272 0.25      
12 A2 929 884 0.00      
13 A2 837 797 0.00      
14 A2 621 591 0.00      
15 A2 535 509 0.00      
16 A2 187 178 0.00      
17 B1 926 881 5.05      
18 B1 768 731 81.85      
19 B1 461 439 3.46      
20 B1 295 281 0.03      
21 B2 3248 3090 0.57      
22 B2 3228 3071 0.79      
23 B2 1656 1575 10.26      
24 B2 1489 1417 11.82      
25 B2 1286 1223 6.80      
26 B2 1229 1169 35.76      
27 B2 1122 1068 20.89      
28 B2 863 821 16.23      
29 B2 551 524 3.08      
30 B2 439 418 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 18506.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 17608.9 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/Def2TZVPP
ABC
0.10909 0.07440 0.04423

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

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 -1.398 0.658
C4 0.000 -0.696 1.862
C5 0.000 0.696 1.862
C6 0.000 1.398 0.658
F7 0.000 1.347 -1.705
F8 0.000 -1.347 -1.705
H9 0.000 -2.477 0.626
H10 0.000 -1.240 2.795
H11 0.000 1.240 2.795
H12 0.000 2.477 0.626

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38942.40792.77012.39571.38371.34072.35403.37713.85013.37302.1264
C21.38941.38372.39572.77012.40792.35401.34072.12643.37303.85013.3771
C32.40791.38371.39322.41502.79523.62192.36361.08012.14253.39463.8749
C42.77012.39571.39321.39222.41504.11073.62582.16801.08002.14933.4055
C52.39572.77012.41501.39221.39323.62584.11073.40552.14931.08002.1680
C61.38372.40792.79522.41501.39322.36363.62193.87493.39462.14251.0801
F71.34072.35403.62194.11073.62582.36362.69464.47875.19064.50102.5901
F82.35401.34072.36363.62584.11073.62192.69462.59014.50105.19064.4787
H93.37712.12641.08012.16803.40553.87494.47872.59012.49704.30394.9543
H103.85013.37302.14251.08002.14933.39465.19064.50102.49702.48034.3039
H113.37303.85013.39462.14931.08002.14254.50105.19064.30392.48032.4970
H122.12643.37713.87493.40552.16801.08012.59014.47874.95434.30392.4970

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.529 C1 C2 F8 119.128
C1 C6 C5 119.239 C1 C6 H12 118.810
C2 C1 C6 120.529 C2 C1 F7 119.128
C2 C3 C4 119.239 C2 C3 H9 118.810
C3 C2 F8 120.343 C3 C4 C5 120.232
C3 C4 H10 119.518 C4 C3 H9 121.951
C4 C5 C6 120.232 C4 C5 H11 120.250
C5 C4 H10 120.250 C5 C6 H12 121.951
C6 C1 F7 120.343 C6 C5 H11 119.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability