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

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-75.911514
Energy at 298.15K-75.915878
HF Energy-75.155483
Nuclear repulsion energy106.505623
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-121G*
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' 3213 3061 4.79      
2 A' 3101 2955 1.92      
3 A' 1519 1448 0.67      
4 A' 1459 1390 41.00      
5 A' 1254 1195 118.67      
6 A' 1176 1120 187.56      
7 A' 925 881 128.69      
8 A' 693 660 43.00      
9 A' 538 513 14.13      
10 A' 440 419 0.48      
11 A' 306 292 1.24      
12 A" 3226 3074 3.42      
13 A" 1518 1447 3.64      
14 A" 1222 1165 158.13      
15 A" 988 941 75.59      
16 A" 431 410 0.01      
17 A" 333 317 0.50      
18 A" 268 256 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11304.4 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 10770.8 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-121G*
ABC
0.17124 0.10601 0.10347

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.342 0.008 0.000
C2 -0.818 1.447 0.000
Cl3 1.440 -0.130 0.000
F4 -0.818 -0.659 1.096
F5 -0.818 -0.659 -1.096
H6 -1.911 1.441 0.000
H7 -0.446 1.951 0.893
H8 -0.446 1.951 -0.893

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.51551.78711.36901.36902.12482.14062.1406
C21.51552.75442.37442.37441.09301.09091.0909
Cl31.78712.75442.56522.56523.70102.94712.9471
F41.36902.37442.56522.19252.60892.64423.3028
F51.36902.37442.56522.19252.60893.30282.6442
H62.12481.09303.70102.60892.60891.79011.7901
H72.14061.09092.94712.64423.30281.79011.7864
H82.14061.09092.94713.30282.64421.79011.7864

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 107.994 C1 C2 H7 109.343
C1 C2 H8 109.343 C2 C1 Cl3 112.767
C2 C1 F4 110.701 C2 C1 F5 110.701
Cl3 C1 F4 108.002 Cl3 C1 F5 108.002
F4 C1 F5 106.408 H6 C2 H7 110.103
H6 C2 H8 110.103 H7 C2 H8 109.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability