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/STO-3G

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/STO-3G
 hartrees
Energy at 0K-690.102849
Energy at 298.15K-690.104795
Nuclear repulsion energy159.896543
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/STO-3G
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' 3220 2850 9.30      
2 A' 1305 1155 83.06      
3 A' 1188 1051 86.55      
4 A' 760 672 100.56      
5 A' 562 498 12.28      
6 A' 381 337 0.81      
7 A" 1458 1290 64.19      
8 A" 1248 1104 51.78      
9 A" 324 287 3.93      

Unscaled Zero Point Vibrational Energy (zpe) 5222.6 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 4622.0 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/STO-3G
ABC
0.31656 0.14307 0.10456

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.614 -0.123 0.000
H2 -1.471 0.614 0.000
Cl3 0.953 0.972 0.000
F4 -0.614 -0.911 1.128
F5 -0.614 -0.911 -1.128

Atom - Atom Distances (Å)
  C1 H2 Cl3 F4 F5
C11.13061.91101.37591.3759
H21.13062.45062.08142.0814
Cl31.91102.45062.69632.6963
F41.37592.08142.69632.2555
F51.37592.08142.69632.2555

picture of difluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 104.407 H2 C1 F4 111.915
H2 C1 Cl5 111.915 F3 C1 F4 109.152
F3 C1 Cl5 109.152 F4 C1 Cl5 110.099
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.187      
2 H 0.114      
3 Cl -0.208      
4 F -0.047      
5 F -0.047      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.210 -0.798 0.000 2.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.962 -1.544 0.000
y -1.544 -26.455 0.000
z 0.000 0.000 -26.035
Traceless
 xyz
x 1.283 -1.544 0.000
y -1.544 -0.957 0.000
z 0.000 0.000 -0.326
Polar
3z2-r2-0.652
x2-y21.493
xy-1.544
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.127 0.993 0.000
y 0.993 1.859 0.000
z 0.000 0.000 1.296


<r2> (average value of r2) Å2
<r2> 97.112
(<r2>)1/2 9.855