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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-130.936832
Energy at 298.15K 
HF Energy-130.936832
Nuclear repulsion energy38.209040
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 wB97X-D/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' 3595 3407 8.72 78.38 0.34 0.51
2 A' 3373 3197 1.00 111.87 0.14 0.24
3 A' 1718 1628 18.52 15.12 0.55 0.71
4 A' 1407 1334 29.46 8.33 0.71 0.83
5 A' 1124 1065 141.23 4.08 0.74 0.85
6 A' 946 897 21.67 15.68 0.11 0.20
7 A" 3479 3298 3.12 62.18 0.75 0.86
8 A" 1292 1225 0.00 12.65 0.75 0.86
9 A" 423 401 241.53 9.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8678.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 8225.6 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 wB97X-D/3-21G*
ABC
6.13707 0.79767 0.79710

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.009 0.732 0.000
O2 -0.009 -0.763 0.000
H3 -0.979 -0.945 0.000
H4 0.556 0.961 0.828
H5 0.556 0.961 -0.828

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.49481.93701.02791.0279
O21.49480.98701.99381.9938
H31.93700.98702.58312.5831
H41.02791.99382.58311.6554
H51.02791.99382.58311.6554

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 100.614 O2 N1 H4 102.863
O2 N1 H5 102.863 H4 N1 H5 107.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.499      
2 O -0.486      
3 H 0.375      
4 H 0.305      
5 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.203 0.670 0.000 0.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.457 4.174 0.000
y 4.174 -12.126 0.000
z 0.000 0.000 -10.935
Traceless
 xyz
x 1.074 4.174 0.000
y 4.174 -1.430 0.000
z 0.000 0.000 0.356
Polar
3z2-r20.713
x2-y21.670
xy4.174
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.366 0.562 0.000
y 0.562 2.041 0.000
z 0.000 0.000 1.275


<r2> (average value of r2) Å2
<r2> 21.071
(<r2>)1/2 4.590