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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-131.559718
Energy at 298.15K 
HF Energy-131.559718
Nuclear repulsion energy39.484505
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 PBE1PBE/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' 3815 3636 30.13 65.37 0.31 0.47
2 A' 3459 3296 3.02 107.18 0.13 0.22
3 A' 1722 1642 17.49 12.64 0.57 0.72
4 A' 1457 1389 23.47 5.14 0.75 0.85
5 A' 1199 1143 149.13 3.18 0.74 0.85
6 A' 998 952 13.08 11.14 0.18 0.31
7 A" 3554 3387 0.87 63.49 0.75 0.86
8 A" 1370 1305 0.02 10.33 0.75 0.86
9 A" 430 410 195.87 4.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9002.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 8579.8 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 PBE1PBE/6-31G**
ABC
6.37753 0.86425 0.86420

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.698 0.000
O2 -0.011 -0.729 0.000
H3 -0.956 -0.931 0.000
H4 0.561 0.940 0.810
H5 0.561 0.940 -0.810

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42701.88321.02021.0202
O21.42700.96591.94091.9409
H31.88320.96592.54072.5407
H41.02021.94092.54071.6191
H51.02021.94092.54071.6191

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.084 O2 N1 H4 103.709
O2 N1 H5 103.709 H4 N1 H5 105.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.529      
2 O -0.563      
3 H 0.426      
4 H 0.333      
5 H 0.333      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.159 0.544 0.000 0.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.780 3.895 0.000
y 3.895 -12.419 0.000
z 0.000 0.000 -11.356
Traceless
 xyz
x 1.108 3.895 0.000
y 3.895 -1.351 0.000
z 0.000 0.000 0.243
Polar
3z2-r20.486
x2-y21.639
xy3.895
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.641 0.453 0.000
y 0.453 2.163 0.000
z 0.000 0.000 1.597


<r2> (average value of r2) Å2
<r2> 20.344
(<r2>)1/2 4.510