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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-131.569045
Energy at 298.15K 
HF Energy-131.569045
Nuclear repulsion energy38.832665
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 PBEPBEultrafine/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' 3695 3644 17.65 67.83 0.29 0.45
2 A' 3314 3269 6.12 118.50 0.11 0.20
3 A' 1624 1602 12.27 15.78 0.53 0.69
4 A' 1377 1358 18.07 6.29 0.75 0.86
5 A' 1141 1126 127.53 3.22 0.72 0.84
6 A' 891 879 10.89 9.77 0.19 0.32
7 A" 3402 3355 4.24 67.11 0.75 0.86
8 A" 1289 1272 0.24 12.44 0.75 0.86
9 A" 392 387 172.52 5.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8562.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 8445.0 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 PBEPBEultrafine/6-31G**
ABC
6.18787 0.83411 0.83128

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.013 0.714 0.000
O2 -0.013 -0.745 0.000
H3 -0.971 -0.927 0.000
H4 0.582 0.943 0.812
H5 0.582 0.943 -0.812

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45891.89991.03171.0317
O21.45890.97511.96481.9648
H31.89990.97512.56202.5620
H41.03171.96482.56201.6233
H51.03171.96482.56201.6233

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 100.744 O2 N1 H4 102.814
O2 N1 H5 102.814 H4 N1 H5 103.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.396      
2 O -0.456      
3 H 0.328      
4 H 0.262      
5 H 0.262      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.179 0.514 0.000 0.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.794 3.733 0.000
y 3.733 -12.462 0.000
z 0.000 0.000 -11.471
Traceless
 xyz
x 1.172 3.733 0.000
y 3.733 -1.329 0.000
z 0.000 0.000 0.157
Polar
3z2-r20.314
x2-y21.668
xy3.733
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.803 0.484 0.000
y 0.484 2.289 0.000
z 0.000 0.000 1.706


<r2> (average value of r2) Å2
<r2> 20.813
(<r2>)1/2 4.562