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All results from a given calculation for CHF2Cl (difluorochloromethane)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-695.021437
Energy at 298.15K-695.023510
Nuclear repulsion energy162.217434
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 mPW1PW91/3-21G
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' 3216 3070 20.85      
2 A' 1318 1258 81.57      
3 A' 1134 1082 205.80      
4 A' 707 675 176.77      
5 A' 560 535 19.78      
6 A' 352 336 3.65      
7 A" 1424 1359 45.60      
8 A" 1230 1174 150.46      
9 A" 321 306 3.79      

Unscaled Zero Point Vibrational Energy (zpe) 5130.9 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 4898.0 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 mPW1PW91/3-21G
ABC
0.32475 0.14746 0.10769

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.622 -0.106 0.000
H2 -1.432 0.613 0.000
Cl3 0.962 0.935 0.000
F4 -0.622 -0.881 1.113
F5 -0.622 -0.881 -1.113

Atom - Atom Distances (Å)
  C1 H2 Cl3 F4 F5
C11.08341.89571.35611.3561
H21.08342.41592.03162.0316
Cl31.89572.41592.65452.6545
F41.35612.03162.65452.2259
F51.35612.03162.65452.2259

picture of difluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 105.092 H2 C1 F4 112.292
H2 C1 Cl5 112.292 F3 C1 F4 108.290
F3 C1 Cl5 108.290 F4 C1 Cl5 110.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.253      
2 H 0.282      
3 Cl -0.023      
4 F -0.256      
5 F -0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.026 0.485 0.000 2.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.798 -1.765 0.000
y -1.765 -29.349 0.000
z 0.000 0.000 -30.098
Traceless
 xyz
x 2.926 -1.765 0.000
y -1.765 -0.902 0.000
z 0.000 0.000 -2.024
Polar
3z2-r2-4.049
x2-y22.552
xy-1.765
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.503 1.255 0.000
y 1.255 2.783 0.000
z 0.000 0.000 2.051


<r2> (average value of r2) Å2
<r2> 96.603
(<r2>)1/2 9.829