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 CHF2 (difluoromethyl radical)

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-237.216562
Energy at 298.15K-237.217775
HF Energy-237.216562
Nuclear repulsion energy70.194311
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 LSDA/aug-cc-pVDZ
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' 3044 3009 13.86      
2 A' 1170 1157 84.10      
3 A' 904 894 8.49      
4 A' 534 528 3.40      
5 A" 1262 1248 124.71      
6 A" 1172 1158 163.33      

Unscaled Zero Point Vibrational Energy (zpe) 4042.9 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 3997.2 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 LSDA/aug-cc-pVDZ
ABC
2.21735 0.36798 0.32050

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.509 0.000
H2 -0.728 1.316 0.000
F3 0.030 -0.243 1.093
F4 0.030 -0.243 -1.093

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.10781.32681.3268
H21.10782.04972.0497
F31.32682.04972.1863
F41.32682.04972.1863

picture of difluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 114.388 H2 C1 F4 114.388
F3 C1 F4 110.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.683      
2 H -0.231      
3 F -0.226      
4 F -0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.780 1.007 0.000 1.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.840 -1.107 0.000
y -1.107 -15.309 0.000
z 0.000 0.000 -17.551
Traceless
 xyz
x 0.590 -1.107 0.000
y -1.107 1.387 0.000
z 0.000 0.000 -1.977
Polar
3z2-r2-3.954
x2-y2-0.531
xy-1.107
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.359 -0.127 0.000
y -0.127 2.659 0.000
z 0.000 0.000 2.889


<r2> (average value of r2) Å2
<r2> 36.549
(<r2>)1/2 6.046