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: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-254.881078
Energy at 298.15K-254.883507
HF Energy-254.881078
Nuclear repulsion energy75.592625
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 B3LYPultrafine/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' 3350 3210 1.66      
2 A' 1340 1283 43.70      
3 A' 1017 974 27.13      
4 A' 493 472 2.31      
5 A" 1464 1402 16.49      
6 A" 920 881 148.99      

Unscaled Zero Point Vibrational Energy (zpe) 4291.6 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 4111.4 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 B3LYPultrafine/6-31G*
ABC
1.77380 0.35766 0.30704

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.038 0.590 0.000
H2 -0.953 0.871 0.000
F3 0.038 -0.278 1.103
F4 0.038 -0.278 -1.103

Atom - Atom Distances (Å)
  N1 H2 F3 F4
N11.03011.40381.4038
H21.03011.87591.8759
F31.40381.87592.2069
F41.40381.87592.2069

picture of difluoramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 F3 99.701 H2 N1 F4 99.701
F3 N1 F4 103.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.127      
2 H 0.351      
3 F -0.239      
4 F -0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.665 0.944 0.000 1.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.102 -1.751 0.000
y -1.751 -14.909 0.000
z 0.000 0.000 -16.507
Traceless
 xyz
x 1.606 -1.751 0.000
y -1.751 0.395 0.000
z 0.000 0.000 -2.001
Polar
3z2-r2-4.002
x2-y20.807
xy-1.751
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.405 -0.260 0.000
y -0.260 1.551 0.000
z 0.000 0.000 2.242


<r2> (average value of r2) Å2
<r2> 36.922
(<r2>)1/2 6.076