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: B2PLYP=FULLultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-254.790566
Energy at 298.15K 
HF Energy-254.583036
Nuclear repulsion energy76.050773
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 B2PLYP=FULLultrafine/6-311G*
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' 3439 3439 0.01      
2 A' 1372 1372 45.86      
3 A' 1007 1007 33.24      
4 A' 508 508 3.02      
5 A" 1504 1504 13.35      
6 A" 913 913 158.72      

Unscaled Zero Point Vibrational Energy (zpe) 4371.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4371.2 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 B2PLYP=FULLultrafine/6-311G*
ABC
1.79636 0.36191 0.31057

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.038 0.585 0.000
H2 -0.941 0.879 0.000
F3 0.038 -0.276 1.097
F4 0.038 -0.276 -1.097

Atom - Atom Distances (Å)
  N1 H2 F3 F4
N11.02191.39501.3950
H21.02191.87001.8700
F31.39501.87002.1943
F41.39501.87002.1943

picture of difluoramine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 F3 100.238 H2 N1 F4 100.238
F3 N1 F4 103.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability