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: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-155.710252
Energy at 298.15K-155.712929
Nuclear repulsion energy35.822680
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 B3LYP/6-31G**
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' 3387 3254 2.22      
2 A' 1625 1561 24.02      
3 A' 1269 1220 71.30      
4 A' 961 924 23.53      
5 A" 3490 3353 0.86      
6 A" 1330 1278 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 6030.6 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 5794.2 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 B3LYP/6-31G**
ABC
8.77513 0.87931 0.84724

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.066 0.693 0.000
F2 -0.066 -0.738 0.000
H3 0.529 0.894 0.810
H4 0.529 0.894 -0.810

Atom - Atom Distances (Å)
  N1 F2 H3 H4
N11.43091.02511.0251
F21.43091.91631.9163
H31.02511.91631.6205
H41.02511.91631.6205

picture of monofluoroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 N1 H3 101.283 F2 N1 H4 101.283
H3 N1 H4 104.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.252      
2 F -0.281      
3 H 0.266      
4 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.908 1.354 0.000 2.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.433 1.906 0.000
y 1.906 -11.112 0.000
z 0.000 0.000 -9.643
Traceless
 xyz
x -1.056 1.906 0.000
y 1.906 -0.574 0.000
z 0.000 0.000 1.629
Polar
3z2-r23.259
x2-y2-0.321
xy1.906
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.157 0.243 0.000
y 0.243 1.830 0.000
z 0.000 0.000 1.550


<r2> (average value of r2) Å2
<r2> 18.503
(<r2>)1/2 4.302