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: PBE1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-254.687058
Energy at 298.15K-254.689525
HF Energy-254.687058
Nuclear repulsion energy76.432666
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 PBE1PBE/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' 3392 3261 1.30      
2 A' 1345 1293 50.71      
3 A' 1035 996 28.40      
4 A' 519 499 1.84      
5 A" 1477 1420 23.21      
6 A" 935 899 177.97      

Unscaled Zero Point Vibrational Energy (zpe) 4351.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 4183.9 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 PBE1PBE/aug-cc-pVDZ
ABC
1.79819 0.36730 0.31478

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.038 0.584 0.000
H2 -0.950 0.876 0.000
F3 0.038 -0.276 1.089
F4 0.038 -0.276 -1.089

Atom - Atom Distances (Å)
  N1 H2 F3 F4
N11.03051.38751.3875
H21.03051.86801.8680
F31.38751.86802.1774
F41.38751.86802.1774

picture of difluoramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 F3 100.115 H2 N1 F4 100.115
F3 N1 F4 103.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.586      
2 H 0.147      
3 F -0.366      
4 F -0.366      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.608 1.041 0.000 1.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.731 -1.784 0.000
y -1.784 -15.580 0.000
z 0.000 0.000 -17.236
Traceless
 xyz
x 1.678 -1.784 0.000
y -1.784 0.403 0.000
z 0.000 0.000 -2.080
Polar
3z2-r2-4.161
x2-y20.850
xy-1.784
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.954 -0.152 0.000
y -0.152 2.240 0.000
z 0.000 0.000 2.846


<r2> (average value of r2) Å2
<r2> 36.701
(<r2>)1/2 6.058