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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-131.633092
Energy at 298.15K-131.628904
HF Energy-131.704928
Nuclear repulsion energy39.104131
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 B3LYP/6-31G*
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' 3746 3597 21.92 68.27 0.31 0.48
2 A' 3409 3274 3.57 110.02 0.13 0.22
3 A' 1705 1637 16.30 13.52 0.56 0.72
4 A' 1438 1381 20.75 5.85 0.74 0.85
5 A' 1189 1141 140.00 2.99 0.72 0.84
6 A' 942 905 11.60 12.53 0.19 0.32
7 A" 3500 3361 2.47 65.20 0.75 0.86
8 A" 1345 1292 0.02 11.04 0.75 0.86
9 A" 411 395 190.28 5.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8841.9 cm-1
Scaled (by 0.9603) 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 B3LYP/6-31G*
ABC
6.31127 0.84358 0.84263

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.012 0.709 0.000
O2 -0.012 -0.739 0.000
H3 -0.961 -0.937 0.000
H4 0.567 0.942 0.811
H5 0.567 0.942 -0.811

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.44811.90001.02271.0227
O21.44810.96971.95411.9541
H31.90000.96972.55372.5537
H41.02271.95412.55371.6211
H51.02271.95412.55371.6211

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.744 O2 N1 H4 103.170
O2 N1 H5 103.170 H4 N1 H5 104.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.496      
2 O -0.547      
3 H 0.411      
4 H 0.316      
5 H 0.316      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.167 0.558 0.000 0.583
CHELPG        
AIM -0.269 -0.432 0.000 0.509
ESP -0.176 0.571 0.000 0.598


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 20.638
(<r2>)1/2 4.543