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All results from a given calculation for CH2FCl (fluorochloromethane)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-595.250446
Energy at 298.15K-595.253000
HF Energy-594.992469
Nuclear repulsion energy96.531065
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 MP2/3-21G
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' 3184 3039 15.91      
2 A' 1598 1525 1.19      
3 A' 1406 1342 58.93      
4 A' 1115 1065 118.78      
5 A' 643 614 90.46      
6 A' 326 311 3.17      
7 A" 3273 3124 11.72      
8 A" 1275 1217 1.99      
9 A" 999 954 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 6909.0 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 6594.7 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 MP2/3-21G
ABC
1.31155 0.16934 0.15454

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.879 0.000
F2 1.392 0.843 0.000
Cl3 -0.691 -0.912 0.000
H4 -0.389 1.326 0.908
H5 -0.389 1.326 -0.908

Atom - Atom Distances (Å)
  C1 F2 Cl3 H4 H5
C11.39221.92011.08451.0845
F21.39222.72352.05692.0569
Cl31.92012.72352.43462.4346
H41.08452.05692.43461.8160
H51.08452.05692.43461.8160

picture of fluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 109.586 F2 C1 H4 111.697
F2 C1 H5 111.697 Cl3 C1 H4 104.809
Cl3 C1 H5 104.809 H4 C1 H5 113.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability