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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-1189.349778
Energy at 298.15K-1189.352957
HF Energy-1188.836401
Nuclear repulsion energy363.271227
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 MP2/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3225 3078 0.00      
2 Ag 1453 1386 0.00      
3 Ag 1330 1269 0.00      
4 Ag 1148 1095 0.00      
5 Ag 1072 1023 0.00      
6 Ag 752 718 0.00      
7 Ag 488 465 0.00      
8 Ag 330 315 0.00      
9 Ag 252 241 0.00      
10 Au 3239 3091 3.67      
11 Au 1359 1297 17.30      
12 Au 1270 1212 48.12      
13 Au 1156 1103 160.19      
14 Au 690 659 191.14      
15 Au 352 336 15.09      
16 Au 333 318 27.88      
17 Au 156 149 3.19      
18 Au 68 65 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 9335.7 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 8910.9 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 MP2/3-21G
ABC
0.12745 0.04559 0.03466

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.757
C2 0.000 0.000 0.757
H3 1.003 0.000 -1.172
H4 -1.003 0.000 1.172
F5 -0.772 -1.057 -1.228
F6 0.772 1.057 1.228
Cl7 -0.789 1.638 -1.321
Cl8 0.789 -1.638 1.321

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51451.08502.17411.39102.37821.90362.7614
C21.51452.17411.08502.37821.39102.76141.9036
H31.08502.17413.08452.06632.63272.43222.9905
H42.17411.08503.08452.63272.06632.99052.4322
F51.39102.37822.06632.63273.58992.69653.0455
F62.37821.39102.63272.06633.58993.04552.6965
Cl71.90362.76142.43222.99052.69653.04554.4949
Cl82.76141.90362.99052.43223.04552.69654.4949

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 112.460 C1 C2 F6 109.802
C1 C2 Cl8 107.229 C2 C1 H3 112.460
C2 C1 F5 109.802 C2 C1 Cl7 107.229
H3 C1 F5 112.552 H3 C1 Cl7 105.657
H4 C2 F6 112.552 H4 C2 Cl8 105.657
F5 C1 Cl7 108.867 F6 C2 Cl8 108.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability