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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-131.619222
Energy at 298.15K 
HF Energy-131.497333
Nuclear repulsion energy39.304050
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 B2PLYP/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' 3830 3830 22.63 56.09 0.35 0.51
2 A' 3487 3487 2.75 95.48 0.13 0.23
3 A' 1750 1750 28.52 10.01 0.67 0.80
4 A' 1461 1461 28.22 4.81 0.75 0.86
5 A' 1200 1200 149.03 1.42 0.68 0.81
6 A' 952 952 11.60 14.08 0.20 0.34
7 A" 3570 3570 0.36 59.29 0.75 0.86
8 A" 1366 1366 0.04 9.57 0.75 0.86
9 A" 435 435 220.10 4.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9025.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9025.2 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 B2PLYP/6-311G*
ABC
6.44268 0.85004 0.84880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.706 0.000
O2 -0.011 -0.736 0.000
H3 -0.947 -0.945 0.000
H4 0.552 0.945 0.810
H5 0.552 0.945 -0.810

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.44171.89851.01501.0150
O21.44170.95981.94851.9485
H31.89850.95982.54502.5450
H41.01501.94852.54501.6202
H51.01501.94852.54501.6202

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.619 O2 N1 H4 103.602
O2 N1 H5 103.602 H4 N1 H5 105.908
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.568      
2 O -0.516      
3 H 0.408      
4 H 0.338      
5 H 0.338      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.086 0.635 0.000 0.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.059 4.091 -0.003
y 4.091 -12.582 -0.005
z -0.003 -0.005 -11.461
Traceless
 xyz
x 0.963 4.091 -0.003
y 4.091 -1.322 -0.005
z -0.003 -0.005 0.359
Polar
3z2-r20.719
x2-y21.523
xy4.091
xz-0.003
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.710 0.424 0.001
y 0.424 2.258 0.001
z 0.001 0.001 1.629


<r2> (average value of r2) Å2
<r2> 20.627
(<r2>)1/2 4.542