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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-131.061458
Energy at 298.15K-131.065366
HF Energy-131.061458
Nuclear repulsion energy39.408898
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 LSDA/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' 3719 3650 27.54      
2 A' 3337 3274 4.39      
3 A' 1617 1586 13.29      
4 A' 1366 1341 22.93      
5 A' 1123 1102 143.85      
6 A' 952 934 20.38      
7 A" 3427 3363 0.97      
8 A" 1295 1271 0.37      
9 A" 431 423 183.58      

Unscaled Zero Point Vibrational Energy (zpe) 8632.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 8471.3 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 LSDA/6-31G**
ABC
6.27395 0.86600 0.86594

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.011 0.694 0.000
O2 0.011 -0.728 0.000
H3 0.965 -0.928 0.000
H4 -0.565 0.948 0.816
H5 -0.565 0.948 -0.816

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42241.88171.03091.0309
O21.42240.97481.95141.9514
H31.88170.97482.55472.5547
H41.03091.95142.55471.6324
H51.03091.95142.55471.6324

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.803 O2 N1 H4 104.253
O2 N1 H5 104.253 H4 N1 H5 104.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.441      
2 O -0.471      
3 H 0.350      
4 H 0.281      
5 H 0.281      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.139 0.505 0.000 0.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.835 -3.852 0.000
y -3.852 -12.413 0.000
z 0.000 0.000 -11.412
Traceless
 xyz
x 1.077 -3.852 0.000
y -3.852 -1.289 0.000
z 0.000 0.000 0.212
Polar
3z2-r20.424
x2-y21.578
xy-3.852
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.747 -0.489 0.000
y -0.489 2.187 0.000
z 0.000 0.000 1.696


<r2> (average value of r2) Å2
<r2> 20.395
(<r2>)1/2 4.516