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All results from a given calculation for CH3CF2Cl (1-Chloro-1,1-Difluoroethane)

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-75.420423
Energy at 298.15K-75.424490
HF Energy-75.021207
Nuclear repulsion energy102.550294
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/CEP-31G
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' 3194 3086 11.66      
2 A' 3075 2972 5.64      
3 A' 1512 1461 3.39      
4 A' 1466 1416 19.47      
5 A' 1207 1166 97.84      
6 A' 1177 1137 147.66      
7 A' 853 825 146.93      
8 A' 626 605 44.04      
9 A' 480 464 18.34      
10 A' 400 386 0.78      
11 A' 284 274 1.63      
12 A" 3201 3093 13.60      
13 A" 1506 1455 7.37      
14 A" 1183 1144 102.44      
15 A" 906 875 111.43      
16 A" 402 388 0.00      
17 A" 307 297 0.86      
18 A" 233 225 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11005.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 10634.4 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/CEP-31G
ABC
0.15939 0.09725 0.09576

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.348 0.032 0.000
C2 -0.856 1.488 0.000
Cl3 1.504 -0.138 0.000
F4 -0.856 -0.681 1.146
F5 -0.856 -0.681 -1.146
H6 -1.963 1.465 0.000
H7 -0.488 2.007 0.905
H8 -0.488 2.007 -0.905

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.54121.85971.44161.44162.15862.17682.1768
C21.54122.86502.45232.45231.10721.10611.1061
Cl31.85972.86502.67832.67833.81903.06403.0640
F41.44162.45232.67832.29162.67272.72323.4005
F51.44162.45232.67832.29162.67273.40052.7232
H62.15861.10723.81902.67272.67271.81251.8125
H72.17681.10613.06402.72323.40051.81251.8099
H82.17681.10613.06403.40052.72321.81251.8099

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 108.067 C1 C2 H7 109.525
C1 C2 H8 109.525 C2 C1 Cl3 114.465
C2 C1 F4 110.555 C2 C1 F5 110.555
Cl3 C1 F4 107.766 Cl3 C1 F5 107.766
F4 C1 F5 105.274 H6 C2 H7 109.950
H6 C2 H8 109.950 H7 C2 H8 109.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability