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 NHF2 (difluoramine)

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-253.438141
Energy at 298.15K-253.440519
HF Energy-253.438141
Nuclear repulsion energy73.091537
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 wB97X-D/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' 3267 3096 0.69      
2 A' 1271 1205 54.01      
3 A' 979 928 12.06      
4 A' 435 412 4.87      
5 A" 1404 1330 22.67      
6 A" 952 902 75.53      

Unscaled Zero Point Vibrational Energy (zpe) 4153.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 3936.8 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 wB97X-D/3-21G*
ABC
1.65182 0.33434 0.28656

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.039 0.616 0.000
H2 -0.967 0.878 0.000
F3 0.039 -0.288 1.142
F4 0.039 -0.288 -1.142

Atom - Atom Distances (Å)
  N1 H2 F3 F4
N11.03951.45621.4562
H21.03951.91721.9172
F31.45621.91722.2833
F41.45621.91722.2833

picture of difluoramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 F3 99.017 H2 N1 F4 99.017
F3 N1 F4 103.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.032      
2 H 0.365      
3 F -0.199      
4 F -0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.969 1.113 0.000 2.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.771 -1.893 0.000
y -1.893 -14.746 0.000
z 0.000 0.000 -16.731
Traceless
 xyz
x 1.967 -1.893 0.000
y -1.893 0.505 0.000
z 0.000 0.000 -2.473
Polar
3z2-r2-4.945
x2-y20.974
xy-1.893
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.942 -0.309 0.000
y -0.309 1.210 0.000
z 0.000 0.000 2.101


<r2> (average value of r2) Å2
<r2> 38.774
(<r2>)1/2 6.227