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: MP3=FULL/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 MP3=FULL/6-311G**
 hartrees
Energy at 0K-1196.020498
Energy at 298.15K-1196.024157
HF Energy-1194.852282
Nuclear repulsion energy379.945276
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 MP3=FULL/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' 3211 3211 17.99      
2 A' 3199 3199 3.56      
3 A' 1480 1480 48.68      
4 A' 1303 1303 1.06      
5 A' 1193 1193 131.00      
6 A' 1117 1117 31.40      
7 A' 834 834 29.68      
8 A' 597 597 8.66      
9 A' 416 416 16.52      
10 A' 357 357 10.85      
11 A' 265 265 0.29      
12 A" 1436 1436 20.75      
13 A" 1318 1318 21.15      
14 A" 1212 1212 146.25      
15 A" 882 882 117.63      
16 A" 414 414 0.93      
17 A" 191 191 1.56      
18 A" 83 83 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 9753.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9753.1 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 MP3=FULL/6-311G**
ABC
0.08341 0.07091 0.03968

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.404 -0.231 0.000
C2 -0.354 1.094 0.000
H3 1.478 -0.056 0.000
H4 -1.428 0.920 0.000
Cl5 -0.007 -1.135 1.464
Cl6 -0.007 -1.135 -1.464
F7 -0.007 1.807 1.086
F8 -0.007 1.807 -1.086

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52631.08792.16321.76871.76872.34552.3455
C21.52632.16321.08792.68882.68881.34451.3445
H31.08792.16323.06532.34732.34732.61862.6186
H42.16321.08793.06532.89502.89501.99631.9963
Cl51.76872.68882.34732.89502.92732.96623.8928
Cl61.76872.68882.34732.89502.92733.89282.9662
F72.34551.34452.61861.99632.96623.89282.1711
F82.34551.34452.61861.99633.89282.96622.1711

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 110.558 C1 C2 F7 109.411
C1 C2 F8 109.411 C2 C1 H3 110.558
C2 C1 Cl5 109.154 C2 C1 Cl6 109.154
H3 C1 Cl5 108.139 H3 C1 Cl6 108.139
H4 C2 F7 109.861 H4 C2 F8 109.861
Cl5 C1 Cl6 111.691 F7 C2 F8 107.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability