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 CHFCl2 (fluorodichloromethane)

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-1053.206179
Energy at 298.15K-1053.207819
Nuclear repulsion energy200.647491
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 PBEPBE/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' 3120 3091 4.39      
2 A' 1282 1270 21.45      
3 A' 1129 1119 155.79      
4 A' 640 635 52.55      
5 A' 382 378 5.76      
6 A' 237 235 0.85      
7 A" 1182 1171 54.50      
8 A" 646 640 286.19      
9 A" 308 305 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 4462.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 4422.1 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 PBEPBE/3-21G
ABC
0.20890 0.09865 0.07008

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.179 0.591 0.000
H2 -1.130 1.132 0.000
F3 0.923 1.398 0.000
Cl4 -0.179 -0.508 1.538
Cl5 -0.179 -0.508 -1.538

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 Cl5
C11.09401.36621.88971.8897
H21.09402.06992.44072.4407
F31.36622.06992.68532.6853
Cl41.88972.44072.68533.0754
Cl51.88972.44072.68533.0754

picture of fluorodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 114.115 H2 C1 Cl4 106.720
H2 C1 Cl5 106.720 F3 C1 Cl4 110.084
F3 C1 Cl5 110.084 Cl4 C1 Cl5 108.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 H 0.316      
3 F -0.176      
4 Cl 0.053      
5 Cl 0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.109 1.463 0.000 1.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.874 -1.709 0.000
y -1.709 -35.739 0.000
z 0.000 0.000 -38.689
Traceless
 xyz
x 1.340 -1.709 0.000
y -1.709 1.543 0.000
z 0.000 0.000 -2.883
Polar
3z2-r2-5.766
x2-y2-0.135
xy-1.709
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.401 0.283 0.000
y 0.283 3.845 0.000
z 0.000 0.000 6.648


<r2> (average value of r2) Å2
<r2> 143.312
(<r2>)1/2 11.971