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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-131.619882
Energy at 298.15K 
HF Energy-131.619882
Nuclear repulsion energy39.550587
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 HSEh1PBE/6-311G**
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' 3884 3730 42.25 51.30 0.31 0.48
2 A' 3476 3338 1.63 97.97 0.12 0.21
3 A' 1686 1620 17.89 9.10 0.66 0.79
4 A' 1422 1366 30.36 3.37 0.75 0.86
5 A' 1160 1114 135.78 2.38 0.60 0.75
6 A' 982 943 15.03 11.11 0.19 0.32
7 A" 3556 3415 0.00 56.99 0.75 0.86
8 A" 1351 1298 0.00 8.24 0.75 0.86
9 A" 434 417 193.10 3.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8975.3 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 8619.9 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 HSEh1PBE/6-311G**
ABC
6.46572 0.86503 0.86363

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.010 0.696 0.000
O2 -0.010 -0.729 0.000
H3 -0.946 -0.935 0.000
H4 0.552 0.949 0.809
H5 0.552 0.949 -0.809

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42581.88111.01691.0169
O21.42580.95841.94591.9459
H31.88110.95842.53932.5393
H41.01691.94592.53931.6181
H51.01691.94592.53931.6181

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.404 O2 N1 H4 104.366
O2 N1 H5 104.366 H4 N1 H5 105.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.320      
2 O -0.383      
3 H 0.269      
4 H 0.217      
5 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.101 0.608 0.000 0.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.944 3.868 0.000
y 3.868 -12.430 0.000
z 0.000 0.000 -11.356
Traceless
 xyz
x 0.949 3.868 0.000
y 3.868 -1.280 0.000
z 0.000 0.000 0.331
Polar
3z2-r20.662
x2-y21.486
xy3.868
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.803 0.409 0.000
y 0.409 2.302 0.000
z 0.000 0.000 1.716


<r2> (average value of r2) Å2
<r2> 20.371
(<r2>)1/2 4.513