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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1195.859986
Energy at 298.15K-1195.863601
HF Energy-1194.851773
Nuclear repulsion energy378.836290
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/6-311G**
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' 3177 3031 19.86      
2 A' 3164 3019 3.04      
3 A' 1467 1400 44.28      
4 A' 1292 1233 0.55      
5 A' 1175 1121 124.15      
6 A' 1103 1052 36.38      
7 A' 823 785 30.50      
8 A' 587 560 8.17      
9 A' 411 392 16.50      
10 A' 355 339 10.27      
11 A' 262 250 0.28      
12 A" 1421 1356 17.83      
13 A" 1306 1246 22.73      
14 A" 1183 1128 147.86      
15 A" 866 826 122.66      
16 A" 408 390 1.04      
17 A" 189 180 1.54      
18 A" 82 78 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 9634.8 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 9192.6 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/6-311G**
ABC
0.08296 0.07050 0.03946

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.405 -0.231 0.000
C2 -0.356 1.096 0.000
H3 1.482 -0.058 0.000
H4 -1.432 0.924 0.000
Cl5 -0.007 -1.138 1.467
Cl6 -0.007 -1.138 -1.467
F7 -0.007 1.813 1.091
F8 -0.007 1.813 -1.091

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52961.09032.16971.77311.77312.35252.3525
C21.52962.16971.09032.69542.69541.35071.3507
H31.09032.16973.07452.35222.35222.62742.6274
H42.16971.09033.07452.90392.90392.00292.0029
Cl51.77312.69542.35222.90392.93352.97453.9046
Cl61.77312.69542.35222.90392.93353.90462.9745
F72.35251.35072.62742.00292.97453.90462.1812
F82.35251.35072.62742.00293.90462.97452.1812

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 110.701 C1 C2 F7 109.369
C1 C2 F8 109.369 C2 C1 H3 110.701
C2 C1 Cl5 109.171 C2 C1 Cl6 109.171
H3 C1 Cl5 108.085 H3 C1 Cl6 108.085
H4 C2 F7 109.824 H4 C2 F8 109.824
Cl5 C1 Cl6 111.626 F7 C2 F8 107.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability