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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G**
 hartrees
Energy at 0K-131.608447
Energy at 298.15K 
HF Energy-131.608447
Nuclear repulsion energy39.571719
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/6-311G**
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' 3889 3732 42.46 51.18 0.31 0.48
2 A' 3478 3336 1.63 97.80 0.12 0.21
3 A' 1687 1618 17.78 9.11 0.66 0.79
4 A' 1422 1364 30.18 3.37 0.75 0.86
5 A' 1161 1114 135.70 2.44 0.59 0.74
6 A' 988 948 15.34 10.86 0.19 0.32
7 A" 3558 3413 0.00 56.88 0.75 0.86
8 A" 1353 1298 0.00 8.23 0.75 0.86
9 A" 435 417 192.90 3.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8984.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8619.8 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/6-311G**
ABC
6.46470 0.86637 0.86500

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.010 0.696 0.000
O2 -0.010 -0.729 0.000
H3 -0.947 -0.934 0.000
H4 0.552 0.948 0.809
H5 0.552 0.948 -0.809

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42451.87971.01711.0171
O21.42450.95841.94501.9450
H31.87970.95842.53852.5385
H41.01711.94502.53851.6180
H51.01711.94502.53851.6180

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.386 O2 N1 H4 104.374
O2 N1 H5 104.374 H4 N1 H5 105.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.319      
2 O -0.382      
3 H 0.268      
4 H 0.217      
5 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.101 0.605 0.000 0.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.939 3.866 0.000
y 3.866 -12.429 0.000
z 0.000 0.000 -11.353
Traceless
 xyz
x 0.953 3.866 0.000
y 3.866 -1.283 0.000
z 0.000 0.000 0.331
Polar
3z2-r20.661
x2-y21.491
xy3.866
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.803 0.409 0.000
y 0.409 2.297 0.000
z 0.000 0.000 1.716


<r2> (average value of r2) Å2
<r2> 20.353
(<r2>)1/2 4.511