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 CH3CF2Cl (1-Chloro-1,1-Difluoroethane)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-736.239934
Energy at 298.15K-736.243998
HF Energy-735.775508
Nuclear repulsion energy235.071810
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 MP2/SDD
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' 3179 3068 5.62      
2 A' 3062 2956 2.61      
3 A' 1524 1471 5.39      
4 A' 1476 1424 24.01      
5 A' 1203 1162 105.94      
6 A' 1176 1136 131.59      
7 A' 845 815 133.40      
8 A' 618 597 46.98      
9 A' 481 464 17.08      
10 A' 392 379 0.47      
11 A' 287 277 1.74      
12 A" 3187 3077 5.32      
13 A" 1520 1467 9.86      
14 A" 1189 1147 102.36      
15 A" 907 875 110.08      
16 A" 403 389 0.03      
17 A" 304 293 0.87      
18 A" 242 234 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10996.7 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 10615.1 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 MP2/SDD
ABC
0.16077 0.09769 0.09632

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.357 0.031 0.000
C2 -0.853 1.471 0.000
Cl3 1.502 -0.126 0.000
F4 -0.853 -0.683 1.142
F5 -0.853 -0.683 -1.142
H6 -1.954 1.466 0.000
H7 -0.484 1.986 0.899
H8 -0.484 1.986 -0.899

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.52341.86631.43531.43532.14692.15612.1561
C21.52342.84582.43862.43861.10111.09981.0998
Cl31.86632.84582.67632.67633.80543.03583.0358
F41.43532.43862.67632.28462.67132.70593.3807
F51.43532.43862.67632.28462.67133.38072.7059
H62.14691.10113.80542.67132.67131.79991.7999
H72.15611.09983.03582.70593.38071.79991.7979
H82.15611.09983.03583.38072.70591.79991.7979

picture of 1-Chloro-1,1-Difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 108.708 C1 C2 H7 109.499
C1 C2 H8 109.499 C2 C1 Cl3 113.804
C2 C1 F4 110.980 C2 C1 F5 110.980
Cl3 C1 F4 107.594 Cl3 C1 F5 107.594
F4 C1 F5 105.468 H6 C2 H7 109.734
H6 C2 H8 109.734 H7 C2 H8 109.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability