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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: wB97X-D/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-131.682006
Energy at 298.15K 
HF Energy-131.682006
Nuclear repulsion energy39.574032
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/6-31G(2df,p)
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' 3908 3908 38.17 54.71 0.28 0.44
2 A' 3485 3485 1.84 95.36 0.11 0.20
3 A' 1687 1687 14.32 8.30 0.55 0.71
4 A' 1439 1439 28.11 2.78 0.75 0.86
5 A' 1177 1177 137.38 2.56 0.73 0.84
6 A' 1005 1005 14.89 10.36 0.16 0.28
7 A" 3570 3570 0.04 54.49 0.75 0.86
8 A" 1358 1358 0.00 6.61 0.75 0.86
9 A" 412 412 165.29 2.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9019.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9019.4 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 wB97X-D/6-31G(2df,p)
ABC
6.45736 0.86667 0.86552

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.696 0.000
O2 -0.011 -0.728 0.000
H3 -0.946 -0.936 0.000
H4 0.554 0.946 0.809
H5 0.554 0.946 -0.809

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42431.88071.01781.0178
O21.42430.95801.94331.9433
H31.88070.95802.53892.5389
H41.01781.94332.53891.6175
H51.01781.94332.53891.6175

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.500 O2 N1 H4 104.212
O2 N1 H5 104.212 H4 N1 H5 105.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.419      
2 O -0.449      
3 H 0.324      
4 H 0.272      
5 H 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.110 0.528 0.000 0.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.748 3.662 0.000
y 3.662 -12.151 0.000
z 0.000 0.000 -11.235
Traceless
 xyz
x 0.945 3.662 0.000
y 3.662 -1.159 0.000
z 0.000 0.000 0.214
Polar
3z2-r20.428
x2-y21.403
xy3.662
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.832 0.405 0.000
y 0.405 2.374 0.000
z 0.000 0.000 1.816


<r2> (average value of r2) Å2
<r2> 20.225
(<r2>)1/2 4.497