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 CHF2Cl (difluorochloromethane)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-698.435324
Energy at 298.15K-698.437544
Nuclear repulsion energy167.345831
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 B3PW91/6-31G**
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' 3147 3016 28.07      
2 A' 1339 1283 84.85      
3 A' 1150 1102 223.14      
4 A' 799 766 166.61      
5 A' 595 570 9.23      
6 A' 404 387 0.34      
7 A" 1399 1341 39.85      
8 A" 1191 1142 208.13      
9 A" 361 346 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 5193.1 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 4977.0 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 B3PW91/6-31G**
ABC
0.33973 0.15962 0.11554

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.572 -0.094 0.000
H2 -1.447 0.560 0.000
Cl3 0.893 0.925 0.000
F4 -0.572 -0.873 1.088
F5 -0.572 -0.873 -1.088

Atom - Atom Distances (Å)
  C1 H2 Cl3 F4 F5
C11.09191.78431.33811.3381
H21.09192.36772.00042.0004
Cl31.78432.36772.56172.5617
F41.33812.00042.56172.1754
F51.33812.00042.56172.1754

picture of difluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 108.404 H2 C1 F4 110.411
H2 C1 Cl5 110.411 F3 C1 F4 109.422
F3 C1 Cl5 109.422 F4 C1 Cl5 108.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.345      
2 H 0.163      
3 Cl -0.036      
4 F -0.236      
5 F -0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.332 0.642 0.000 1.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.087 -1.046 0.000
y -1.046 -28.511 0.000
z 0.000 0.000 -29.285
Traceless
 xyz
x 2.812 -1.046 0.000
y -1.046 -0.825 0.000
z 0.000 0.000 -1.986
Polar
3z2-r2-3.973
x2-y22.424
xy-1.046
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.745 0.910 0.000
y 0.910 3.281 0.000
z 0.000 0.000 2.670


<r2> (average value of r2) Å2
<r2> 90.891
(<r2>)1/2 9.534