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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-131.632811
Energy at 298.15K 
HF Energy-131.632811
Nuclear repulsion energy38.899360
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/aug-cc-pVTZ
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' 3694 3653 33.59 68.38 0.19 0.32
2 A' 3337 3299 4.56 137.56 0.07 0.14
3 A' 1609 1591 12.57 5.36 0.50 0.67
4 A' 1355 1340 22.20 3.79 0.13 0.23
5 A' 1118 1105 112.87 1.97 0.08 0.14
6 A' 882 872 12.36 7.88 0.24 0.39
7 A" 3415 3377 0.89 61.29 0.75 0.86
8 A" 1285 1271 0.00 2.55 0.75 0.86
9 A" 400 396 151.68 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8547.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 8451.7 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/aug-cc-pVTZ
ABC
6.27794 0.83323 0.83291

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.713 0.000
O2 -0.011 -0.744 0.000
H3 -0.962 -0.942 0.000
H4 0.566 0.951 0.815
H5 0.566 0.951 -0.815

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45681.90851.02651.0265
O21.45680.97131.96721.9672
H31.90850.97132.56552.5655
H41.02651.96722.56551.6299
H51.02651.96722.56551.6299

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.759 O2 N1 H4 103.414
O2 N1 H5 103.414 H4 N1 H5 105.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.151      
2 O -0.324      
3 H 0.187      
4 H 0.144      
5 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.132 0.536 0.000 0.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.604 3.711 0.000
y 3.711 -13.120 0.000
z 0.000 0.000 -12.038
Traceless
 xyz
x 0.975 3.711 0.000
y 3.711 -1.299 0.000
z 0.000 0.000 0.324
Polar
3z2-r20.648
x2-y21.516
xy3.711
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.893 0.256 0.000
y 0.256 3.403 0.000
z 0.000 0.000 2.677


<r2> (average value of r2) Å2
<r2> 21.231
(<r2>)1/2 4.608