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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: TPSSh/TZVP

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/TZVP
 hartrees
Energy at 0K-131.768077
Energy at 298.15K 
HF Energy-131.768077
Nuclear repulsion energy39.035506
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/TZVP
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' 3781 3644 31.25 62.77 0.29 0.45
2 A' 3418 3294 1.87 112.37 0.11 0.20
3 A' 1671 1610 20.62 9.55 0.65 0.79
4 A' 1392 1341 24.95 3.46 0.69 0.82
5 A' 1146 1104 128.98 1.45 0.47 0.64
6 A' 911 878 13.19 14.94 0.24 0.38
7 A" 3500 3373 0.03 62.68 0.75 0.86
8 A" 1316 1268 0.00 9.38 0.75 0.86
9 A" 425 410 198.37 2.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8779.7 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 8461.0 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/TZVP
ABC
6.35511 0.83724 0.83687

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.712 0.000
O2 -0.011 -0.742 0.000
H3 -0.956 -0.940 0.000
H4 0.558 0.949 0.813
H5 0.558 0.949 -0.813

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45391.90301.01981.0198
O21.45390.96581.96081.9608
H31.90300.96582.55372.5537
H41.01981.96082.55371.6251
H51.01981.96082.55371.6251

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.816 O2 N1 H4 103.477
O2 N1 H5 103.477 H4 N1 H5 105.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.335      
2 O -0.383      
3 H 0.288      
4 H 0.215      
5 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.133 0.643 0.000 0.657
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 2.029 0.349 0.000
y 0.349 2.598 0.000
z 0.000 0.000 1.926


<r2> (average value of r2) Å2
<r2> 20.920
(<r2>)1/2 4.574