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

using model chemistry: CCSD(T)/TZVP

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)/TZVP
 hartrees
Energy at 0K-1195.922823
Energy at 298.15K-1195.926355
HF Energy-1194.882924
Nuclear repulsion energy377.252549
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)/TZVP
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' 3163 3044        
2 A' 3150 3032        
3 A' 1453 1398        
4 A' 1280 1232        
5 A' 1153 1110        
6 A' 1086 1045        
7 A' 803 773        
8 A' 581 560        
9 A' 406 390        
10 A' 347 334        
11 A' 252 242        
12 A" 1404 1352        
13 A" 1277 1229        
14 A" 1141 1098        
15 A" 837 805        
16 A" 400 385        
17 A" 181 174        
18 A" 79 76        

Unscaled Zero Point Vibrational Energy (zpe) 9495.9 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 9139.8 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 CCSD(T)/TZVP
ABC
0.08188 0.07022 0.03914

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.413 -0.230 0.000
C2 -0.354 1.092 0.000
H3 1.489 -0.060 0.000
H4 -1.429 0.921 0.000
Cl5 -0.008 -1.140 1.478
Cl6 -0.008 -1.140 -1.478
F7 -0.008 1.818 1.093
F8 -0.008 1.818 -1.093

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52831.08902.17301.78631.78632.35952.3595
C21.52832.17301.08902.69902.69901.35701.3570
H31.08902.17303.07902.36502.36502.63872.6387
H42.17301.08903.07902.90772.90772.00452.0045
Cl51.78632.69902.36502.90772.95692.98273.9192
Cl61.78632.69902.36502.90772.95693.91922.9827
F72.35951.35702.63872.00452.98273.91922.1858
F82.35951.35702.63872.00453.91922.98272.1858

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 111.137 C1 C2 F7 109.580
C1 C2 F8 109.580 C2 C1 H3 111.137
C2 C1 Cl5 108.782 C2 C1 Cl6 108.782
H3 C1 Cl5 108.217 H3 C1 Cl6 108.217
H4 C2 F7 109.583 H4 C2 F8 109.583
Cl5 C1 Cl6 111.723 F7 C2 F8 107.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability