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 CH2FCl (fluorochloromethane)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-599.406920
Energy at 298.15K-599.409563
Nuclear repulsion energy100.496115
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 B3LYP/6-311G**
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' 3088 2986 26.85      
2 A' 1500 1450 0.58      
3 A' 1378 1333 47.16      
4 A' 1085 1049 180.01      
5 A' 722 698 111.92      
6 A' 378 365 1.26      
7 A" 3167 3062 13.57      
8 A" 1257 1216 3.97      
9 A" 1006 972 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 6790.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 6565.1 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 B3LYP/6-311G**
ABC
1.39782 0.18563 0.16933

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.817 0.000
F2 1.361 0.773 0.000
Cl3 -0.679 -0.851 0.000
H4 -0.349 1.306 0.907
H5 -0.349 1.306 -0.907

Atom - Atom Distances (Å)
  C1 F2 Cl3 H4 H5
C11.36161.80071.08791.0879
F21.36162.60762.00732.0073
Cl31.80072.60762.36352.3635
H41.08792.00732.36351.8134
H51.08792.00732.36351.8134

picture of fluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 110.322 F2 C1 H4 109.558
F2 C1 H5 109.558 Cl3 C1 H4 107.222
Cl3 C1 H5 107.222 H4 C1 H5 112.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.026      
2 F -0.222      
3 Cl -0.113      
4 H 0.155      
5 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.962 1.797 0.000 2.039
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.529 -1.481 0.000
y -1.481 -22.825 0.000
z 0.000 0.000 -23.579
Traceless
 xyz
x -3.327 -1.481 0.000
y -1.481 2.229 0.000
z 0.000 0.000 1.098
Polar
3z2-r22.197
x2-y2-3.704
xy-1.481
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.940 0.862 0.000
y 0.862 4.277 0.000
z 0.000 0.000 2.392


<r2> (average value of r2) Å2
<r2> 66.689
(<r2>)1/2 8.166