return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: TPSSh/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 TPSSh/6-31+G**
 hartrees
Energy at 0K-1197.501101
Energy at 298.15K-1197.504461
HF Energy-1197.501101
Nuclear repulsion energy375.946557
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 TPSSh/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' 3158 3039 6.94      
2 A' 3147 3029 7.27      
3 A' 1401 1349 29.64      
4 A' 1250 1203 0.73      
5 A' 1114 1072 122.61      
6 A' 1059 1019 36.55      
7 A' 779 750 36.80      
8 A' 552 531 7.43      
9 A' 386 372 16.98      
10 A' 335 323 12.01      
11 A' 244 235 0.50      
12 A" 1352 1301 6.85      
13 A" 1245 1198 18.85      
14 A" 1089 1048 182.42      
15 A" 781 751 152.65      
16 A" 383 369 2.41      
17 A" 171 165 1.21      
18 A" 73 70 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 9259.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 8912.1 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 TPSSh/6-31+G**
ABC
0.08155 0.06964 0.03890

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.408 -0.228 0.000
C2 -0.365 1.097 0.000
H3 1.487 -0.072 0.000
H4 -1.444 0.940 0.000
Cl5 -0.006 -1.145 1.479
Cl6 -0.006 -1.145 -1.479
F7 -0.006 1.825 1.101
F8 -0.006 1.825 -1.101

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53391.09032.19001.78831.78832.36632.3663
C21.53392.19001.09032.70912.70911.36831.3683
H31.09032.19003.10112.35942.35942.65342.6534
H42.19001.09033.10112.93312.93312.01582.0158
Cl51.78832.70912.35942.93312.95732.99353.9339
Cl61.78832.70912.35942.93312.95733.93392.9935
F72.36631.36832.65342.01582.99353.93392.2029
F82.36631.36832.65342.01583.93392.99352.2029

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 112.030 C1 C2 F7 109.109
C1 C2 F8 109.109 C2 C1 H3 112.030
C2 C1 Cl5 109.026 C2 C1 Cl6 109.026
H3 C1 Cl5 107.612 H3 C1 Cl6 107.612
H4 C2 F7 109.629 H4 C2 F8 109.629
Cl5 C1 Cl6 111.552 F7 C2 F8 107.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.289      
2 C 0.326      
3 H 0.275      
4 H 0.180      
5 Cl 0.022      
6 Cl 0.022      
7 F -0.269      
8 F -0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.078 -0.335 0.000 0.344
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.853 0.128 0.000
y 0.128 7.379 0.000
z 0.000 0.000 9.012


<r2> (average value of r2) Å2
<r2> 245.566
(<r2>)1/2 15.671