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: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-254.996083
Energy at 298.15K-254.998520
HF Energy-254.996083
Nuclear repulsion energy75.779775
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 B3LYP/cc-pVTZ
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' 3359 3247 0.59      
2 A' 1330 1285 50.26      
3 A' 999 966 29.25      
4 A' 502 485 2.07      
5 A" 1462 1413 20.67      
6 A" 891 861 167.49      

Unscaled Zero Point Vibrational Energy (zpe) 4271.3 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 4128.6 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 B3LYP/cc-pVTZ
ABC
1.78017 0.35963 0.30854

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.038 0.588 0.000
H2 -0.947 0.876 0.000
F3 0.038 -0.278 1.101
F4 0.038 -0.278 -1.101

Atom - Atom Distances (Å)
  N1 H2 F3 F4
N11.02611.40041.4004
H21.02611.87421.8742
F31.40041.87422.2011
F41.40041.87422.2011

picture of difluoramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 F3 99.996 H2 N1 F4 99.996
F3 N1 F4 103.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.198      
2 H 0.149      
3 F -0.174      
4 F -0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.637 1.052 0.000 1.946
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.446 -1.730 0.000
y -1.730 -15.258 0.000
z 0.000 0.000 -17.069
Traceless
 xyz
x 1.718 -1.730 0.000
y -1.730 0.500 0.000
z 0.000 0.000 -2.217
Polar
3z2-r2-4.435
x2-y20.812
xy-1.730
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.528 -0.207 0.000
y -0.207 1.803 0.000
z 0.000 0.000 2.503


<r2> (average value of r2) Å2
<r2> 37.050
(<r2>)1/2 6.087