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: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-57.769983
Energy at 298.15K-57.772501
HF Energy-57.769983
Nuclear repulsion energy44.675676
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 HF/CEP-121G
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' 3639 3321 6.80      
2 A' 1385 1264 61.22      
3 A' 1087 992 42.19      
4 A' 529 483 6.81      
5 A" 1588 1449 5.10      
6 A" 1099 1003 173.62      

Unscaled Zero Point Vibrational Energy (zpe) 4663.6 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 4255.5 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 HF/CEP-121G
ABC
1.75635 0.35966 0.30697

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.036 0.588 0.000
H2 -0.910 0.949 0.000
F3 0.036 -0.281 1.101
F4 0.036 -0.281 -1.101

Atom - Atom Distances (Å)
  N1 H2 F3 F4
N11.01311.40311.4031
H21.01311.90331.9033
F31.40311.90332.2028
F41.40311.90332.2028

picture of difluoramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 F3 102.751 H2 N1 F4 102.751
F3 N1 F4 103.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.181      
2 H 0.321      
3 F -0.251      
4 F -0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.061 1.669 0.000 2.652
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.479 -2.159 0.000
y -2.159 -15.393 0.000
z 0.000 0.000 -18.506
Traceless
 xyz
x 2.471 -2.159 0.000
y -2.159 1.099 0.000
z 0.000 0.000 -3.570
Polar
3z2-r2-7.140
x2-y20.914
xy-2.159
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.064 -0.289 0.000
y -0.289 1.570 0.000
z 0.000 0.000 2.408


<r2> (average value of r2) Å2
<r2> 31.646
(<r2>)1/2 5.625