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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: LSDA/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-131.077531
Energy at 298.15K-131.081465
HF Energy-131.077531
Nuclear repulsion energy39.409900
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/6-31+G**
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' 3726 3670 52.36      
2 A' 3368 3317 2.35      
3 A' 1615 1591 22.91      
4 A' 1343 1323 28.26      
5 A' 1096 1079 139.35      
6 A' 941 927 30.24      
7 A" 3464 3412 3.91      
8 A" 1291 1271 0.06      
9 A" 468 461 208.12      

Unscaled Zero Point Vibrational Energy (zpe) 8655.4 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 8525.6 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 LSDA/6-31+G**
ABC
6.32049 0.86642 0.86330

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.009 0.693 0.000
O2 0.009 -0.728 0.000
H3 0.960 -0.946 0.000
H4 -0.548 0.957 0.824
H5 -0.548 0.957 -0.824

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42101.89471.02911.0291
O21.42100.97541.95661.9566
H31.89470.97542.56392.5639
H41.02911.95662.56391.6481
H51.02911.95662.56391.6481

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.910 O2 N1 H4 104.864
O2 N1 H5 104.864 H4 N1 H5 106.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.662      
2 O -0.364      
3 H 0.376      
4 H 0.325      
5 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.129 0.593 0.000 0.607
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.670 -4.266 0.000
y -4.266 -13.190 0.000
z 0.000 0.000 -11.953
Traceless
 xyz
x 0.901 -4.266 0.000
y -4.266 -1.378 0.000
z 0.000 0.000 0.477
Polar
3z2-r20.954
x2-y21.520
xy-4.266
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.273 -0.222 0.000
y -0.222 2.676 0.000
z 0.000 0.000 2.171


<r2> (average value of r2) Å2
<r2> 20.873
(<r2>)1/2 4.569