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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-75.853059
Energy at 298.15K-75.857384
HF Energy-75.147952
Nuclear repulsion energy106.244762
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' 3233 3069 7.78      
2 A' 3122 2964 4.17      
3 A' 1508 1432 0.52      
4 A' 1455 1381 41.33      
5 A' 1261 1197 115.41      
6 A' 1176 1117 207.08      
7 A' 928 881 123.21      
8 A' 692 657 44.55      
9 A' 538 511 15.33      
10 A' 441 418 0.57      
11 A' 304 288 1.09      
12 A" 3246 3081 7.24      
13 A" 1506 1430 2.42      
14 A" 1223 1161 186.38      
15 A" 989 939 69.10      
16 A" 430 408 0.00      
17 A" 334 317 0.61      
18 A" 256 243 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11319.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 10746.4 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
0.17052 0.10565 0.10293

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 -0.340 0.007 0.000
C2 -0.820 1.456 0.000
Cl3 1.443 -0.135 0.000
F4 -0.820 -0.658 1.097
F5 -0.820 -0.658 -1.097
H6 -1.922 1.446 0.000
H7 -0.445 1.963 0.902
H8 -0.445 1.963 -0.902

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.52581.78881.36931.36932.13812.15652.1565
C21.52582.76562.38152.38151.10241.10031.1003
Cl31.78882.76562.56792.56793.71762.96332.9633
F41.36932.38152.56792.19322.61652.65543.3175
F51.36932.38152.56792.19322.61653.31752.6554
H62.13811.10243.71762.61652.61651.80581.8058
H72.15651.10032.96332.65543.31751.80581.8032
H82.15651.10032.96333.31752.65541.80581.8032

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 107.798 C1 C2 H7 109.341
C1 C2 H8 109.341 C2 C1 Cl3 112.861
C2 C1 F4 110.583 C2 C1 F5 110.583
Cl3 C1 F4 108.068 Cl3 C1 F5 108.068
F4 C1 F5 106.423 H6 C2 H7 110.131
H6 C2 H8 110.131 H7 C2 H8 110.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability