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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-131.628217
Energy at 298.15K 
HF Energy-131.628217
Nuclear repulsion energy38.977836
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 PBEPBE/6-311+G(3df,2p)
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' 3718 3688 35.92 55.98 0.24 0.39
2 A' 3349 3321 4.28 111.82 0.09 0.16
3 A' 1614 1601 14.29 4.17 0.58 0.74
4 A' 1363 1351 24.85 3.36 0.21 0.35
5 A' 1121 1111 115.71 1.86 0.09 0.16
6 A' 890 883 11.93 9.78 0.24 0.38
7 A" 3427 3399 0.99 56.78 0.75 0.86
8 A" 1291 1281 0.00 4.29 0.75 0.86
9 A" 409 406 155.95 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8590.6 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 8520.2 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 PBEPBE/6-311+G(3df,2p)
ABC
6.29344 0.83732 0.83732

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.710 0.000
O2 -0.011 -0.742 0.000
H3 -0.960 -0.942 0.000
H4 0.564 0.951 0.815
H5 0.564 0.951 -0.815

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45211.90611.02641.0264
O21.45210.97021.96511.9651
H31.90610.97022.56412.5641
H41.02641.96512.56411.6303
H51.02641.96512.56411.6303

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.941 O2 N1 H4 103.569
O2 N1 H5 103.569 H4 N1 H5 105.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.143      
2 O -0.433      
3 H 0.262      
4 H 0.157      
5 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.131 0.540 0.000 0.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.587 3.782 0.000
y 3.782 -13.042 0.000
z 0.000 0.000 -12.028
Traceless
 xyz
x 0.948 3.782 0.000
y 3.782 -1.234 0.000
z 0.000 0.000 0.286
Polar
3z2-r20.573
x2-y21.455
xy3.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.640 0.223 0.000
y 0.223 3.136 0.000
z 0.000 0.000 2.494


<r2> (average value of r2) Å2
<r2> 21.154
(<r2>)1/2 4.599