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

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1195.673453
Energy at 298.15K-1195.677021
HF Energy-1194.741029
Nuclear repulsion energy377.937457
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/6-31+G**
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' 3217 3041 10.61      
2 A' 3203 3028 3.78      
3 A' 1461 1381 37.31      
4 A' 1291 1220 0.44      
5 A' 1171 1107 92.12      
6 A' 1093 1034 52.92      
7 A' 819 774 31.06      
8 A' 568 537 6.99      
9 A' 407 385 19.73      
10 A' 355 336 10.20      
11 A' 258 244 0.19      
12 A" 1393 1317 11.12      
13 A" 1304 1233 22.84      
14 A" 1145 1083 163.15      
15 A" 861 814 112.32      
16 A" 406 383 0.69      
17 A" 186 176 1.39      
18 A" 86 81 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 9611.6 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 9086.8 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/6-31+G**
ABC
0.08249 0.07042 0.03934

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.409 -0.231 0.000
C2 -0.360 1.086 0.000
H3 1.483 -0.064 0.000
H4 -1.435 0.919 0.000
Cl5 -0.007 -1.138 1.468
Cl6 -0.007 -1.138 -1.468
F7 -0.007 1.816 1.100
F8 -0.007 1.816 -1.100

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52521.08752.17301.77481.77482.36092.3609
C21.52522.17301.08752.68822.68821.36701.3670
H31.08752.17303.07952.35112.35112.63922.6392
H42.17301.08753.07952.90292.90292.01382.0138
Cl51.77482.68822.35112.90292.93622.97673.9144
Cl61.77482.68822.35112.90292.93623.91442.9767
F72.36091.36702.63922.01382.97673.91442.2007
F82.36091.36702.63922.01383.91442.97672.2007

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 111.450 C1 C2 F7 109.309
C1 C2 F8 109.309 C2 C1 H3 111.450
C2 C1 Cl5 108.861 C2 C1 Cl6 108.861
H3 C1 Cl5 108.034 H3 C1 Cl6 108.034
H4 C2 F7 109.736 H4 C2 F8 109.736
Cl5 C1 Cl6 111.621 F7 C2 F8 107.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability