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

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-1189.382891
Energy at 298.15K-1189.386210
HF Energy-1188.849227
Nuclear repulsion energy367.364193
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 CCD/3-21G
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' 3203 3114 0.58      
2 A' 3173 3085 19.39      
3 A' 1470 1430 26.92      
4 A' 1287 1252 0.38      
5 A' 1135 1103 92.19      
6 A' 1067 1037 22.94      
7 A' 740 720 28.72      
8 A' 539 524 12.20      
9 A' 372 362 22.87      
10 A' 321 312 9.84      
11 A' 230 224 0.19      
12 A" 1452 1412 12.84      
13 A" 1225 1191 4.75      
14 A" 1198 1164 81.32      
15 A" 781 759 82.97      
16 A" 385 374 1.56      
17 A" 169 164 1.92      
18 A" 75 73 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 9410.6 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 9149.9 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 CCD/3-21G
ABC
0.07612 0.06784 0.03712

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.420 -0.189 0.000
C2 -0.370 1.117 0.000
H3 1.493 -0.009 0.000
H4 -1.443 0.936 0.000
Cl5 -0.007 -1.166 1.536
Cl6 -0.007 -1.166 -1.536
F7 -0.007 1.842 1.130
F8 -0.007 1.842 -1.130

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52621.08862.17651.86981.86982.36362.3636
C21.52622.17651.08862.77562.77561.39111.3911
H31.08862.17653.08472.43912.43912.63672.6367
H42.17651.08863.08472.97382.97382.04022.0402
Cl51.86982.77562.43912.97383.07263.03594.0200
Cl61.86982.77562.43912.97383.07264.02003.0359
F72.36361.39112.63672.04023.03594.02002.2597
F82.36361.39112.63672.04024.02003.03592.2597

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 111.598 C1 C2 F7 108.140
C1 C2 F8 108.140 C2 C1 H3 111.598
C2 C1 Cl5 109.215 C2 C1 Cl6 109.215
H3 C1 Cl5 108.154 H3 C1 Cl6 108.154
H4 C2 F7 110.129 H4 C2 F8 110.129
Cl5 C1 Cl6 110.500 F7 C2 F8 108.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability