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: HSEh1PBE/aug-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 HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-254.774200
Energy at 298.15K-254.776671
HF Energy-254.774200
Nuclear repulsion energy76.597832
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 HSEh1PBE/aug-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' 3391 3262 1.42      
2 A' 1345 1293 51.33      
3 A' 1037 998 28.27      
4 A' 522 502 1.92      
5 A" 1485 1429 21.87      
6 A" 935 900 179.00      

Unscaled Zero Point Vibrational Energy (zpe) 4358.0 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 4191.6 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 HSEh1PBE/aug-cc-pVTZ
ABC
1.81358 0.36817 0.31570

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.038 0.581 0.000
H2 -0.943 0.882 0.000
F3 0.038 -0.275 1.088
F4 0.038 -0.275 -1.088

Atom - Atom Distances (Å)
  N1 H2 F3 F4
N11.02541.38401.3840
H21.02541.86591.8659
F31.38401.86592.1752
F41.38401.86592.1752

picture of difluoramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 F3 100.447 H2 N1 F4 100.447
F3 N1 F4 103.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.232      
2 H 0.223      
3 F -0.228      
4 F -0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.594 1.027 0.000 1.896
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.647 -1.785 0.000
y -1.785 -15.541 0.000
z 0.000 0.000 -17.227
Traceless
 xyz
x 1.737 -1.785 0.000
y -1.785 0.396 0.000
z 0.000 0.000 -2.133
Polar
3z2-r2-4.266
x2-y20.894
xy-1.785
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.027 -0.148 0.000
y -0.148 2.307 0.000
z 0.000 0.000 2.900


<r2> (average value of r2) Å2
<r2> 36.588
(<r2>)1/2 6.049