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: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-154.806802
Energy at 298.15K-154.809470
Nuclear repulsion energy34.905573
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 B1B95/3-21G
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' 3252 3112 4.20      
2 A' 1644 1573 24.52      
3 A' 1206 1153 68.69      
4 A' 963 921 6.76      
5 A" 3378 3231 3.96      
6 A" 1267 1212 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 5854.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5601.4 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 B1B95/3-21G
ABC
8.54032 0.82910 0.79775

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.065 0.718 0.000
F2 -0.065 -0.760 0.000
H3 0.523 0.909 0.829
H4 0.523 0.909 -0.829

Atom - Atom Distances (Å)
  N1 F2 H3 H4
N11.47801.03501.0350
F21.47801.95491.9549
H31.03501.95491.6588
H41.03501.95491.6588

picture of monofluoroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 N1 H3 100.660 F2 N1 H4 100.660
H3 N1 H4 106.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.384      
2 F -0.228      
3 H 0.306      
4 H 0.306      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.193 1.439 0.000 2.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.210 2.067 0.000
y 2.067 -11.012 0.000
z 0.000 0.000 -9.340
Traceless
 xyz
x -1.034 2.067 0.000
y 2.067 -0.737 0.000
z 0.000 0.000 1.770
Polar
3z2-r23.541
x2-y2-0.198
xy2.067
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.728 0.284 0.000
y 0.284 1.674 0.000
z 0.000 0.000 1.283


<r2> (average value of r2) Å2
<r2> 19.024
(<r2>)1/2 4.362