return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: TPSSh/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-131.742124
Energy at 298.15K 
HF Energy-131.742124
Nuclear repulsion energy39.018086
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/aug-cc-pVDZ
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' 3760 3637 32.18 66.73 0.20 0.34
2 A' 3395 3284 4.83 130.04 0.08 0.15
3 A' 1642 1588 12.14 5.24 0.51 0.68
4 A' 1385 1340 20.44 3.08 0.19 0.33
5 A' 1148 1111 119.56 1.40 0.14 0.25
6 A' 914 884 12.36 11.50 0.23 0.38
7 A" 3476 3362 0.16 59.73 0.75 0.86
8 A" 1317 1274 0.03 2.97 0.75 0.86
9 A" 391 378 158.57 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8713.8 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 8428.9 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/aug-cc-pVDZ
ABC
6.30062 0.83904 0.83864

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.012 0.711 0.000
O2 -0.012 -0.741 0.000
H3 -0.959 -0.942 0.000
H4 0.567 0.944 0.813
H5 0.567 0.944 -0.813

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45191.90581.02471.0247
O21.45190.96841.95821.9582
H31.90580.96842.55892.5589
H41.02471.95822.55891.6264
H51.02471.95822.55891.6264

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.031 O2 N1 H4 103.140
O2 N1 H5 103.140 H4 N1 H5 105.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.092      
2 O -0.441      
3 H 0.164      
4 H 0.092      
5 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.138 0.562 0.000 0.579
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 2.719 0.274 0.000
y 0.274 3.274 0.000
z 0.000 0.000 2.513


<r2> (average value of r2) Å2
<r2> 21.052
(<r2>)1/2 4.588