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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-129.811658
Energy at 298.15K 
HF Energy-129.811658
Nuclear repulsion energy38.012689
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/STO-3G
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' 3761 3321 26.99 42.62 0.31 0.47
2 A' 3417 3018 19.02 58.20 0.11 0.20
3 A' 1850 1634 2.83 14.27 0.70 0.82
4 A' 1563 1381 6.28 10.13 0.73 0.85
5 A' 1264 1116 54.19 2.56 0.75 0.85
6 A' 1142 1008 8.20 7.51 0.16 0.27
7 A" 3604 3182 26.46 34.48 0.75 0.86
8 A" 1389 1226 2.46 10.01 0.75 0.86
9 A" 229 203 120.25 7.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9109.3 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 8044.4 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 HSEh1PBE/STO-3G
ABC
5.65430 0.81746 0.80695

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.016 0.723 0.000
O2 -0.016 -0.754 0.000
H3 -1.030 -0.905 0.000
H4 0.638 0.940 0.820
H5 0.638 0.940 -0.820

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.47711.91761.07161.0716
O21.47711.02511.99271.9927
H31.91761.02512.61902.6190
H41.07161.99272.61901.6406
H51.07161.99272.61901.6406

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 98.444 O2 N1 H4 101.679
O2 N1 H5 101.679 H4 N1 H5 99.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.290      
2 O -0.204      
3 H 0.186      
4 H 0.154      
5 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.433 0.147 0.000 0.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.757 2.938 0.000
y 2.938 -11.754 0.000
z 0.000 0.000 -10.605
Traceless
 xyz
x 1.422 2.938 0.000
y 2.938 -1.573 0.000
z 0.000 0.000 0.151
Polar
3z2-r20.302
x2-y21.997
xy2.938
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.085 0.589 0.000
y 0.589 1.336 0.000
z 0.000 0.000 0.877


<r2> (average value of r2) Å2
<r2> 20.706
(<r2>)1/2 4.550