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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: MP2/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/cc-pVTZ
 hartrees
Energy at 0K-429.981541
Energy at 298.15K-429.986328
Nuclear repulsion energy347.917203
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-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 3251 3087 1.45      
2 A1 3236 3073 4.72      
3 A1 1660 1576 31.14      
4 A1 1554 1475 189.67      
5 A1 1466 1392 4.90      
6 A1 1313 1247 105.25      
7 A1 1173 1113 0.87      
8 A1 1048 995 6.28      
9 A1 776 737 28.40      
10 A1 575 546 3.20      
11 A1 285 271 0.26      
12 A2 957 908 0.00      
13 A2 850 807 0.00      
14 A2 680 645 0.00      
15 A2 564 535 0.00      
16 A2 189 179 0.00      
17 B1 936 889 5.46      
18 B1 769 731 81.43      
19 B1 464 440 3.06      
20 B1 297 282 0.01      
21 B2 3245 3081 0.87      
22 B2 3224 3062 0.73      
23 B2 1660 1576 9.86      
24 B2 1490 1414 12.37      
25 B2 1289 1224 8.72      
26 B2 1233 1171 32.74      
27 B2 1123 1066 18.62      
28 B2 865 822 16.28      
29 B2 551 523 3.03      
30 B2 439 417 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 18580.1 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 17641.8 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-pVTZ
ABC
0.10906 0.07441 0.04423

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.694 -0.536
C2 0.000 -0.694 -0.536
C3 0.000 -1.394 0.658
C4 0.000 -0.696 1.862
C5 0.000 0.696 1.862
C6 0.000 1.394 0.658
F7 0.000 1.350 -1.703
F8 0.000 -1.350 -1.703
H9 0.000 -2.473 0.626
H10 0.000 -1.241 2.794
H11 0.000 1.241 2.794
H12 0.000 2.473 0.626

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38812.40542.77162.39771.38431.33842.35333.37373.85143.37462.1249
C21.38811.38432.39772.77162.40542.35331.33842.12493.37463.85143.3737
C32.40541.38431.39102.41172.78783.61972.36161.07992.14113.39183.8673
C42.77162.39771.39101.39232.41174.10993.62392.16471.07992.14993.4019
C52.39772.77162.41171.39231.39103.62394.10993.40192.14991.07992.1647
C61.38432.40542.78782.41171.39102.36163.61973.86733.39182.14111.0799
F71.33842.35333.61974.10993.62392.36162.69934.47635.18974.49812.5855
F82.35331.33842.36163.62394.10993.61972.69932.58554.49815.18974.4763
H93.37372.12491.07992.16473.40193.86734.47632.58552.49394.30094.9466
H103.85143.37462.14111.07992.14993.39185.18974.49812.49392.48234.3009
H113.37463.85143.39182.14991.07992.14114.49815.18974.30092.48232.4939
H122.12493.37373.86733.40192.16471.07992.58554.47634.94664.30092.4939

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.369 C1 C2 F8 119.332
C1 C6 C5 119.525 C1 C6 H12 118.640
C2 C1 C6 120.369 C2 C1 F7 119.332
C2 C3 C4 119.525 C2 C3 H9 118.640
C3 C2 F8 120.300 C3 C4 C5 120.106
C3 C4 H10 119.585 C4 C3 H9 121.834
C4 C5 C6 120.106 C4 C5 H11 120.309
C5 C4 H10 120.309 C5 C6 H12 121.834
C6 C1 F7 120.300 C6 C5 H11 119.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability