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 NF2 (Difluoroamino radical)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-57.755548
Energy at 298.15K-57.756480
HF Energy-57.257029
Nuclear repulsion energy39.129662
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 MP2/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 A1 1128 1075 82.72      
2 A1 567 540 1.02      
3 B2 997 950 303.26      

Unscaled Zero Point Vibrational Energy (zpe) 1345.8 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 1282.3 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 MP2/CEP-121G*
ABC
2.27081 0.38557 0.32960

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.628
F2 0.000 1.073 -0.224
F3 0.000 -1.073 -0.224

Atom - Atom Distances (Å)
  N1 F2 F3
N11.36971.3697
F21.36972.1454
F31.36972.1454

picture of Difluoroamino radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 N1 F3 103.097
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability