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

using model chemistry: CCSD(T)/aug-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 CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.869748
Energy at 298.15K-1195.873192
HF Energy-1194.811870
Nuclear repulsion energy375.002957
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 CCSD(T)/aug-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' 3142 3024        
2 A' 3126 3009        
3 A' 1400 1347        
4 A' 1234 1188        
5 A' 1139 1096        
6 A' 1057 1018        
7 A' 787 757        
8 A' 554 533        
9 A' 391 376        
10 A' 338 326        
11 A' 249 239        
12 A" 1341 1291        
13 A" 1224 1178        
14 A" 1099 1058        
15 A" 814 784        
16 A" 392 377        
17 A" 178 172        
18 A" 78 75        

Unscaled Zero Point Vibrational Energy (zpe) 9270.7 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 8923.1 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 CCSD(T)/aug-cc-pVDZ
ABC
0.08139 0.06919 0.03874

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.416 -0.226 0.000
C2 -0.363 1.096 0.000
H3 1.504 -0.059 0.000
H4 -1.451 0.930 0.000
Cl5 -0.007 -1.149 1.479
Cl6 -0.007 -1.149 -1.479
F7 -0.007 1.831 1.104
F8 -0.007 1.831 -1.104

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53441.10082.19581.79391.79392.37252.3725
C21.53442.19581.10082.71182.71181.37341.3734
H31.10082.19583.11642.37872.37872.66032.6603
H42.19581.10083.11642.93132.93132.02902.0290
Cl51.79392.71182.37872.93132.95773.00323.9436
Cl61.79392.71182.37872.93132.95773.94363.0032
F72.37251.37342.66032.02903.00323.94362.2089
F82.37251.37342.66032.02903.94363.00322.2089

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 111.810 C1 C2 F7 109.232
C1 C2 F8 109.232 C2 C1 H3 111.810
C2 C1 Cl5 108.880 C2 C1 Cl6 108.880
H3 C1 Cl5 108.117 H3 C1 Cl6 108.117
H4 C2 F7 109.692 H4 C2 F8 109.692
Cl5 C1 Cl6 111.050 F7 C2 F8 107.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability