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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-429.604824
Energy at 298.15K-429.609376
HF Energy-428.420310
Nuclear repulsion energy347.040172
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 MP3=FULL/6-31+G**
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 3317 3090 1.98      
2 A1 3302 3076 7.56      
3 A1 1711 1594 28.33      
4 A1 1600 1490 177.72      
5 A1 1339 1248 110.28      
6 A1 1325 1235 11.90      
7 A1 1200 1118 0.29      
8 A1 1072 999 7.71      
9 A1 792 737 35.94      
10 A1 588 548 4.51      
11 A1 289 269 0.36      
12 A2 915 853 0.00      
13 A2 836 778 0.00      
14 A2 553 515 0.00      
15 A2 407 379 0.00      
16 A2 183 171 0.00      
17 B1 915 852 5.02      
18 B1 771 718 100.37      
19 B1 450 419 2.48      
20 B1 293 273 0.00      
21 B2 3312 3085 2.49      
22 B2 3290 3065 1.19      
23 B2 1711 1594 10.23      
24 B2 1536 1431 11.61      
25 B2 1325 1234 4.52      
26 B2 1253 1167 39.70      
27 B2 1148 1069 24.48      
28 B2 871 812 15.59      
29 B2 557 519 4.14      
30 B2 446 415 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 18652.2 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 17376.4 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 MP3=FULL/6-31+G**
ABC
0.10857 0.07404 0.04402

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.697 -0.536
C2 0.000 -0.697 -0.536
C3 0.000 -1.402 0.661
C4 0.000 -0.698 1.868
C5 0.000 0.698 1.868
C6 0.000 1.402 0.661
F7 0.000 1.351 -1.710
F8 0.000 -1.351 -1.710
H9 0.000 -2.481 0.630
H10 0.000 -1.242 2.801
H11 0.000 1.242 2.801
H12 0.000 2.481 0.630

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.39392.41582.77942.40391.38861.34442.36093.38473.85853.38042.1310
C21.39391.38862.40392.77942.41582.36091.34442.13103.38043.85853.3847
C32.41581.38861.39762.42242.80373.63322.37141.07912.14593.40103.8826
C42.77942.40391.39761.39632.42244.12363.63752.17011.07922.15213.4112
C52.40392.77942.42241.39631.39763.63754.12363.41122.15211.07922.1701
C61.38862.41582.80372.42241.39762.37143.63323.88263.40102.14591.0791
F71.34442.36093.63324.12363.63752.37142.70224.49005.20284.51212.5989
F82.36091.34442.37143.63754.12363.63322.70222.59894.51215.20284.4900
H93.38472.13101.07912.17013.41123.88264.49002.59892.49904.30864.9611
H103.85853.38042.14591.07922.15213.40105.20284.51212.49902.48304.3086
H113.38043.85853.40102.15211.07922.14594.51215.20284.30862.48302.4990
H122.13103.38473.88263.41122.17011.07912.59894.49004.96114.30862.4990

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.507 C1 C2 F8 119.116
C1 C6 C5 119.259 C1 C6 H12 118.898
C2 C1 C6 120.507 C2 C1 F7 119.116
C2 C3 C4 119.259 C2 C3 H9 118.898
C3 C2 F8 120.377 C3 C4 C5 120.234
C3 C4 H10 119.535 C4 C3 H9 121.843
C4 C5 C6 120.234 C4 C5 H11 120.232
C5 C4 H10 120.232 C5 C6 H12 121.843
C6 C1 F7 120.377 C6 C5 H11 119.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability