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 NH2F (monofluoroamine)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-155.397779
Energy at 298.15K-155.400469
Nuclear repulsion energy36.175526
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 MP2/6-311G**
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' 3481 3308 0.44      
2 A' 1631 1550 27.13      
3 A' 1294 1230 72.92      
4 A' 1000 951 20.25      
5 A" 3583 3404 0.33      
6 A" 1360 1292 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 6174.5 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 5867.1 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 MP2/6-311G**
ABC
8.92424 0.89861 0.86488

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.065 0.683 0.000
F2 -0.065 -0.730 0.000
H3 0.521 0.896 0.806
H4 0.521 0.896 -0.806

Atom - Atom Distances (Å)
  N1 F2 H3 H4
N11.41341.01951.0195
F21.41341.90761.9076
H31.01951.90761.6126
H41.01951.90761.6126

picture of monofluoroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 N1 H3 102.058 F2 N1 H4 102.058
H3 N1 H4 104.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability