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All results from a given calculation for CHCl2CHF2 (1,1-dichloro-2,2-difluoroethane)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-1195.628639
Energy at 298.15K-1195.632205
HF Energy-1194.725716
Nuclear repulsion energy378.235746
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 QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3179 3028 11.73      
2 A' 3169 3018 11.00      
3 A' 1470 1400 41.38      
4 A' 1294 1232 0.67      
5 A' 1179 1123 96.34      
6 A' 1113 1060 38.76      
7 A' 825 786 32.49      
8 A' 573 546 7.67      
9 A' 406 387 17.76      
10 A' 355 338 11.19      
11 A' 260 248 0.28      
12 A" 1427 1359 18.20      
13 A" 1311 1249 22.18      
14 A" 1188 1131 131.72      
15 A" 868 826 114.04      
16 A" 407 388 0.94      
17 A" 188 179 1.45      
18 A" 84 80 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 9647.9 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 9187.7 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 QCISD/6-31G*
ABC
0.08257 0.07055 0.03939

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.402 -0.227 0.000
C2 -0.363 1.094 0.000
H3 1.480 -0.054 0.000
H4 -1.441 0.921 0.000
Cl5 -0.005 -1.138 1.468
Cl6 -0.005 -1.138 -1.468
F7 -0.005 1.812 1.099
F8 -0.005 1.812 -1.099

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52581.09252.17091.77481.77482.35182.3518
C21.52582.17091.09252.69492.69491.36081.3608
H31.09252.17093.07972.35292.35292.62612.6261
H42.17091.09253.07972.90762.90762.01612.0161
Cl51.77482.69492.35292.90762.93552.97283.9105
Cl61.77482.69492.35292.90762.93553.91052.9728
F72.35181.36082.62612.01612.97283.91052.1986
F82.35181.36082.62612.01613.91052.97282.1986

picture of 1,1-dichloro-2,2-difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 110.935 C1 C2 F7 108.985
C1 C2 F8 108.985 C2 C1 H3 110.935
C2 C1 Cl5 109.240 C2 C1 Cl6 109.240
H3 C1 Cl5 107.919 H3 C1 Cl6 107.919
H4 C2 F7 110.049 H4 C2 F8 110.049
Cl5 C1 Cl6 111.586 F7 C2 F8 107.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability