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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: TPSSh/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-131.768476
Energy at 298.15K 
HF Energy-131.768476
Nuclear repulsion energy39.082554
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/cc-pVTZ
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' 3783 3663 30.29 57.69 0.27 0.43
2 A' 3410 3302 2.74 112.85 0.10 0.18
3 A' 1665 1612 14.62 7.27 0.52 0.68
4 A' 1400 1356 20.98 2.70 0.70 0.83
5 A' 1158 1122 127.76 1.20 0.75 0.85
6 A' 916 887 10.77 13.62 0.19 0.32
7 A" 3487 3377 0.03 56.58 0.75 0.86
8 A" 1319 1278 0.00 5.62 0.75 0.86
9 A" 399 386 165.23 2.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8768.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 8490.9 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 TPSSh/cc-pVTZ
ABC
6.35649 0.83957 0.83915

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.711 0.000
O2 -0.011 -0.741 0.000
H3 -0.955 -0.937 0.000
H4 0.563 0.943 0.810
H5 0.563 0.943 -0.810

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45271.89931.01931.0193
O21.45270.96391.95531.9553
H31.89930.96392.54862.5486
H41.01931.95532.54861.6191
H51.01931.95532.54861.6191

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.707 O2 N1 H4 103.156
O2 N1 H5 103.156 H4 N1 H5 105.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.188      
2 O -0.343      
3 H 0.240      
4 H 0.145      
5 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.121 0.569 0.000 0.581
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 2.166 0.374 0.000
y 0.374 2.735 0.000
z 0.000 0.000 1.995


<r2> (average value of r2) Å2
<r2> 20.757
(<r2>)1/2 4.556