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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: TPSSh/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 TPSSh/STO-3G
 hartrees
Energy at 0K-129.953773
Energy at 298.15K 
HF Energy-129.953773
Nuclear repulsion energy37.530919
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 TPSSh/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' 3634 3634 37.82 43.22 0.32 0.48
2 A' 3309 3309 27.32 62.61 0.11 0.20
3 A' 1829 1829 2.12 15.29 0.68 0.81
4 A' 1540 1540 3.57 11.71 0.73 0.84
5 A' 1249 1249 50.13 1.91 0.74 0.85
6 A' 1091 1091 3.37 7.88 0.19 0.31
7 A" 3489 3489 39.85 36.93 0.75 0.86
8 A" 1354 1354 1.93 10.86 0.75 0.86
9 A" 195 195 107.93 8.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8844.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8844.6 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 TPSSh/STO-3G
ABC
5.50691 0.79680 0.78446

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.018 0.736 0.000
O2 -0.018 -0.765 0.000
H3 -1.044 -0.904 0.000
H4 0.655 0.937 0.823
H5 0.655 0.937 -0.823

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.50131.93471.08181.0818
O21.50131.03602.00672.0067
H31.93471.03602.63712.6371
H41.08182.00672.63711.6453
H51.08182.00672.63711.6453

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 97.687 O2 N1 H4 100.699
O2 N1 H5 100.699 H4 N1 H5 99.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.269      
2 O -0.190      
3 H 0.172      
4 H 0.143      
5 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.455 0.114 0.000 0.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.158 0.612 0.000
y 0.612 1.405 0.000
z 0.000 0.000 0.918


<r2> (average value of r2) Å2
<r2> 21.079
(<r2>)1/2 4.591