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

using model chemistry: QCISD(T)/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(T)/cc-pVDZ
 hartrees
Energy at 0K-1195.765164
Energy at 298.15K-1195.768663
HF Energy-1194.785089
Nuclear repulsion energy376.336640
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(T)/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' 3141 2994        
2 A' 3131 2984        
3 A' 1420 1353        
4 A' 1249 1191        
5 A' 1151 1097        
6 A' 1081 1030        
7 A' 797 759        
8 A' 575 548        
9 A' 397 379        
10 A' 342 326        
11 A' 251 239        
12 A" 1382 1317        
13 A" 1235 1177        
14 A" 1164 1109        
15 A" 832 793        
16 A" 397 379        
17 A" 181 172        
18 A" 79 76        

Unscaled Zero Point Vibrational Energy (zpe) 9402.4 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 8961.5 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(T)/cc-pVDZ
ABC
0.08172 0.06976 0.03897

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.407 -0.226 0.000
C2 -0.360 1.104 0.000
H3 1.496 -0.051 0.000
H4 -1.449 0.928 0.000
Cl5 -0.006 -1.145 1.478
Cl6 -0.006 -1.145 -1.478
F7 -0.006 1.821 1.098
F8 -0.006 1.821 -1.098

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53541.10322.18611.78871.78872.35952.3595
C21.53542.18611.10322.71392.71391.35851.3585
H31.10322.18613.10392.37472.37472.63942.6394
H42.18611.10323.10392.92642.92642.02122.0212
Cl51.78872.71392.37472.92642.95602.98993.9284
Cl61.78872.71392.37472.92642.95603.92842.9899
F72.35951.35852.63942.02122.98993.92842.1963
F82.35951.35852.63942.02123.92842.98992.1963

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 110.830 C1 C2 F7 109.092
C1 C2 F8 109.092 C2 C1 H3 110.830
C2 C1 Cl5 109.228 C2 C1 Cl6 109.228
H3 C1 Cl5 108.054 H3 C1 Cl6 108.054
H4 C2 F7 109.949 H4 C2 F8 109.949
Cl5 C1 Cl6 111.446 F7 C2 F8 107.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability