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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: HSEh1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-311G*
 hartrees
Energy at 0K-131.607817
Energy at 298.15K 
HF Energy-131.607817
Nuclear repulsion energy39.568432
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 HSEh1PBE/6-311G*
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' 3841 3686 22.65 56.50 0.34 0.51
2 A' 3482 3341 3.48 97.12 0.13 0.23
3 A' 1750 1679 26.82 10.46 0.67 0.80
4 A' 1466 1407 30.15 4.76 0.75 0.86
5 A' 1194 1146 148.97 2.09 0.64 0.78
6 A' 988 948 14.07 11.84 0.20 0.33
7 A" 3562 3418 0.63 60.29 0.75 0.86
8 A" 1380 1324 0.05 9.91 0.75 0.86
9 A" 447 429 218.59 4.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9054.4 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 8688.6 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 HSEh1PBE/6-311G*
ABC
6.47163 0.86610 0.86446

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.697 0.000
O2 -0.011 -0.728 0.000
H3 -0.945 -0.944 0.000
H4 0.551 0.944 0.810
H5 0.551 0.944 -0.810

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42501.88871.01591.0159
O21.42500.95931.94091.9409
H31.88870.95932.54192.5419
H41.01591.94092.54191.6190
H51.01591.94092.54191.6190

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 103.031 O2 N1 H4 104.084
O2 N1 H5 104.084 H4 N1 H5 105.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.587      
2 O -0.515      
3 H 0.412      
4 H 0.345      
5 H 0.345      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.078 0.604 0.000 0.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.002 4.091 0.000
y 4.091 -12.502 0.000
z 0.000 0.000 -11.389
Traceless
 xyz
x 0.944 4.091 0.000
y 4.091 -1.307 0.000
z 0.000 0.000 0.363
Polar
3z2-r20.727
x2-y21.501
xy4.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.708 0.418 0.000
y 0.418 2.214 0.000
z 0.000 0.000 1.629


<r2> (average value of r2) Å2
<r2> 20.393
(<r2>)1/2 4.516