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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-1195.644736
Energy at 298.15K-1195.648318
HF Energy-1194.729254
Nuclear repulsion energy378.395753
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
4/u)
Dep P Dep U
1 A' 3213 3024 16.39      
2 A' 3202 3014 8.83      
3 A' 1478 1391 42.38      
4 A' 1299 1223 1.16      
5 A' 1182 1113 98.32      
6 A' 1113 1048 37.83      
7 A' 825 777 31.75      
8 A' 574 540 7.68      
9 A' 406 382 16.74      
10 A' 354 333 11.32      
11 A' 260 245 0.27      
12 A" 1434 1350 19.36      
13 A" 1312 1235 24.45      
14 A" 1191 1122 130.43      
15 A" 869 818 113.51      
16 A" 407 384 0.93      
17 A" 188 177 1.45      
18 A" 83 78 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9694.7 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 9126.6 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
0.08262 0.07058 0.03940

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 0.400 -0.227 0.000
C2 -0.362 1.094 0.000
H3 1.474 -0.054 0.000
H4 -1.436 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
C11.52541.08752.16511.77391.77392.35152.3515
C21.52542.16511.08752.69482.69481.36011.3601
H31.08752.16513.06822.34832.34832.62212.6221
H42.16511.08753.06822.90482.90482.01182.0118
Cl51.77392.69482.34832.90482.93532.97243.9097
Cl61.77392.69482.34832.90482.93533.90972.9724
F72.35151.36012.62212.01182.97243.90972.1975
F82.35151.36012.62212.01183.90972.97242.1975

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 110.799 C1 C2 F7 109.031
C1 C2 F8 109.031 C2 C1 H3 110.799
C2 C1 Cl5 109.299 C2 C1 Cl6 109.299
H3 C1 Cl5 107.890 H3 C1 Cl6 107.890
H4 C2 F7 110.068 H4 C2 F8 110.068
Cl5 C1 Cl6 111.657 F7 C2 F8 107.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability