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: M06-2X/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 M06-2X/3-21G*
 hartrees
Energy at 0K-596.396575
Energy at 298.15K-596.399209
HF Energy-596.396575
Nuclear repulsion energy99.940219
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 M06-2X/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' 3115 2950 15.60      
2 A' 1570 1487 0.01      
3 A' 1419 1344 38.47      
4 A' 1132 1073 100.72      
5 A' 725 687 97.84      
6 A' 362 343 2.03      
7 A" 3183 3015 8.37      
8 A" 1277 1209 1.03      
9 A" 1021 967 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 6901.0 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 6536.6 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 M06-2X/3-21G*
ABC
1.35184 0.18500 0.16804

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.819 0.000
F2 1.389 0.747 0.000
Cl3 -0.694 -0.839 0.000
H4 -0.355 1.314 0.901
H5 -0.355 1.314 -0.901

Atom - Atom Distances (Å)
  C1 F2 Cl3 H4 H5
C11.39091.79691.08751.0875
F21.39092.61752.04342.0434
Cl31.79692.61752.35812.3581
H41.08752.04342.35811.8014
H51.08752.04342.35811.8014

picture of fluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 109.737 F2 C1 H4 110.473
F2 C1 H5 110.473 Cl3 C1 H4 107.098
Cl3 C1 H5 107.098 H4 C1 H5 111.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.144      
2 F -0.296      
3 Cl -0.053      
4 H 0.247      
5 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.147 1.821 0.000 2.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.512 -1.643 0.000
y -1.643 -22.353 0.000
z 0.000 0.000 -23.250
Traceless
 xyz
x -3.711 -1.643 0.000
y -1.643 2.528 0.000
z 0.000 0.000 1.183
Polar
3z2-r22.366
x2-y2-4.159
xy-1.643
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.674 0.727 0.000
y 0.727 3.709 0.000
z 0.000 0.000 2.178


<r2> (average value of r2) Å2
<r2> 66.887
(<r2>)1/2 8.178