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 NH2OH (hydroxylamine)

using model chemistry: M06-2X/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311+G(3df,2p)
 hartrees
Energy at 0K-131.712868
Energy at 298.15K 
HF Energy-131.712868
Nuclear repulsion energy39.636402
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 M06-2X/6-311+G(3df,2p)
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' 3903 3903 58.13 56.55 0.23 0.38
2 A' 3498 3498 0.56 100.43 0.09 0.16
3 A' 1680 1680 16.09 3.55 0.63 0.78
4 A' 1415 1415 30.88 2.71 0.29 0.45
5 A' 1157 1157 131.41 2.91 0.15 0.27
6 A' 1012 1012 16.51 10.13 0.25 0.39
7 A" 3577 3577 5.96 48.12 0.75 0.86
8 A" 1354 1354 0.17 3.38 0.75 0.86
9 A" 422 422 171.67 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9009.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9009.3 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 M06-2X/6-311+G(3df,2p)
ABC
6.50883 0.87005 0.86715

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.010 0.694 0.000
O2 0.010 -0.726 0.000
H3 0.942 -0.949 0.000
H4 -0.544 0.951 0.812
H5 -0.544 0.951 -0.812

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42011.88951.01551.0155
O21.42010.95891.94381.9438
H31.88950.95892.54542.5454
H41.01551.94382.54541.6230
H51.01551.94382.54541.6230

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 103.463 O2 N1 H4 104.668
O2 N1 H5 104.668 H4 N1 H5 106.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.251      
2 O -0.463      
3 H 0.278      
4 H 0.218      
5 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.081 0.565 0.000 0.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.420 -3.839 0.000
y -3.839 -12.783 0.000
z 0.000 0.000 -11.766
Traceless
 xyz
x 0.854 -3.839 0.000
y -3.839 -1.190 0.000
z 0.000 0.000 0.336
Polar
3z2-r20.672
x2-y21.363
xy-3.839
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.390 -0.246 0.000
y -0.246 2.913 0.000
z 0.000 0.000 2.284


<r2> (average value of r2) Å2
<r2> 20.586
(<r2>)1/2 4.537