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: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-696.817494
Energy at 298.15K-696.819884
Nuclear repulsion energy170.084753
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 HF/6-31G(2df,p)
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' 3324 3010 25.59      
2 A' 1466 1328 107.82      
3 A' 1259 1140 252.68      
4 A' 872 789 171.13      
5 A' 657 595 9.71      
6 A' 448 405 0.14      
7 A" 1538 1393 37.15      
8 A" 1316 1191 209.30      
9 A" 396 359 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 5637.8 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 5105.0 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 HF/6-31G(2df,p)
ABC
0.35519 0.16347 0.11910

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.567 -0.096 0.000
H2 -1.431 0.547 0.000
Cl3 0.884 0.913 0.000
F4 -0.567 -0.861 1.063
F5 -0.567 -0.861 -1.063

Atom - Atom Distances (Å)
  C1 H2 Cl3 F4 F5
C11.07671.76701.30971.3097
H21.07672.34351.96401.9640
Cl31.76702.34352.52612.5261
F41.30971.96402.52612.1262
F51.30971.96402.52612.1262

picture of difluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 108.554 H2 C1 F4 110.394
H2 C1 Cl5 110.394 F3 C1 F4 109.481
F3 C1 Cl5 109.481 F4 C1 Cl5 108.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.376      
2 H 0.160      
3 Cl -0.151      
4 F -0.192      
5 F -0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.332 0.774 0.000 1.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.015 -1.113 0.000
y -1.113 -28.853 0.000
z 0.000 0.000 -29.754
Traceless
 xyz
x 3.289 -1.113 0.000
y -1.113 -0.969 0.000
z 0.000 0.000 -2.320
Polar
3z2-r2-4.640
x2-y22.838
xy-1.113
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.932 0.714 0.000
y 0.714 3.526 0.000
z 0.000 0.000 3.038


<r2> (average value of r2) Å2
<r2> 88.861
(<r2>)1/2 9.427