return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CHFCl2 (fluorodichloromethane)

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-1058.767974
Energy at 298.15K-1058.769914
Nuclear repulsion energy210.205433
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' 3180 3042 8.27      
2 A' 1358 1299 24.71      
3 A' 1150 1100 191.15      
4 A' 742 709 48.73      
5 A' 458 438 2.31      
6 A' 278 266 0.24      
7 A" 1291 1235 67.83      
8 A" 789 755 278.33      
9 A" 367 351 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4805.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 4597.4 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
0.23286 0.10758 0.07699

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 -0.177 0.523 0.000
H2 -1.083 1.128 0.000
F3 0.907 1.314 0.000
Cl4 -0.177 -0.473 1.472
Cl5 -0.177 -0.473 -1.472

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 Cl5
C11.08921.34211.77771.7777
H21.08921.99792.35642.3564
F31.34211.99792.55712.5571
Cl41.77772.35642.55712.9449
Cl51.77772.35642.55712.9449

picture of fluorodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.087 H2 C1 Cl4 108.141
H2 C1 Cl5 108.141 F3 C1 Cl4 109.302
F3 C1 Cl5 109.302 Cl4 C1 Cl5 111.847
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 -0.060      
2 H 0.252      
3 F -0.219      
4 Cl 0.014      
5 Cl 0.014      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.122 0.816 0.000 1.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.423 -1.692 0.000
y -1.692 -35.176 0.000
z 0.000 0.000 -36.433
Traceless
 xyz
x 0.381 -1.692 0.000
y -1.692 0.752 0.000
z 0.000 0.000 -1.133
Polar
3z2-r2-2.266
x2-y2-0.247
xy-1.692
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.177 0.139 0.000
y 0.139 4.115 0.000
z 0.000 0.000 6.281


<r2> (average value of r2) Å2
<r2> 131.906
(<r2>)1/2 11.485