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

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-1195.743091
Energy at 298.15K-1195.746633
HF Energy-1194.785576
Nuclear repulsion energy377.001288
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/cc-pVDZ
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' 3164 3035 17.41      
2 A' 3154 3026 8.20      
3 A' 1436 1378 50.43      
4 A' 1263 1211 1.75      
5 A' 1164 1117 103.75      
6 A' 1092 1048 40.96      
7 A' 808 775 31.92      
8 A' 581 558 7.95      
9 A' 402 385 15.50      
10 A' 346 332 10.71      
11 A' 254 243 0.26      
12 A" 1396 1339 21.49      
13 A" 1249 1198 16.22      
14 A" 1180 1132 151.04      
15 A" 849 814 114.53      
16 A" 402 386 1.13      
17 A" 183 176 1.43      
18 A" 80 77 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 9501.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9115.8 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 QCISD/cc-pVDZ
ABC
0.08211 0.06990 0.03910

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.406 -0.226 0.000
C2 -0.360 1.103 0.000
H3 1.493 -0.051 0.000
H4 -1.447 0.928 0.000
Cl5 -0.006 -1.144 1.474
Cl6 -0.006 -1.144 -1.474
F7 -0.006 1.819 1.095
F8 -0.006 1.819 -1.095

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53361.10122.18301.78501.78502.35622.3562
C21.53362.18301.10122.71032.71031.35571.3557
H31.10122.18303.09912.36962.36962.63572.6357
H42.18301.10123.09912.92292.92292.01722.0172
Cl51.78502.71032.36962.92292.94902.98693.9220
Cl61.78502.71032.36962.92292.94903.92202.9869
F72.35621.35572.63572.01722.98693.92202.1907
F82.35621.35572.63572.01723.92202.98692.1907

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 110.834 C1 C2 F7 109.121
C1 C2 F8 109.121 C2 C1 H3 110.834
C2 C1 Cl5 109.281 C2 C1 Cl6 109.281
H3 C1 Cl5 108.024 H3 C1 Cl6 108.024
H4 C2 F7 109.952 H4 C2 F8 109.952
Cl5 C1 Cl6 111.392 F7 C2 F8 107.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability