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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-131.745305
Energy at 298.15K 
HF Energy-131.745305
Nuclear repulsion energy39.196561
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 B3LYP/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' 3783 3656 18.70 58.71 0.34 0.51
2 A' 3441 3325 3.73 100.29 0.13 0.23
3 A' 1733 1674 26.98 10.61 0.66 0.80
4 A' 1447 1398 28.07 4.97 0.75 0.86
5 A' 1184 1144 144.47 1.67 0.68 0.81
6 A' 937 905 12.05 13.92 0.21 0.34
7 A" 3517 3399 1.32 62.80 0.75 0.86
8 A" 1355 1309 0.04 10.05 0.75 0.86
9 A" 432 417 215.36 4.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8914.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 8614.3 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 B3LYP/6-311G*
ABC
6.40560 0.84535 0.84454

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.708 0.000
O2 -0.011 -0.738 0.000
H3 -0.950 -0.948 0.000
H4 0.556 0.947 0.811
H5 0.556 0.947 -0.811

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.44551.90411.01791.0179
O21.44550.96291.95331.9533
H31.90410.96292.55302.5530
H41.01791.95332.55301.6218
H51.01791.95332.55301.6218

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.639 O2 N1 H4 103.556
O2 N1 H5 103.556 H4 N1 H5 105.622
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.562      
2 O -0.509      
3 H 0.403      
4 H 0.334      
5 H 0.334      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.092 0.624 0.000 0.631
CHELPG        
AIM        
ESP -0.108 0.632 0.000 0.641


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.033 4.073 0.000
y 4.073 -12.579 0.000
z 0.000 0.000 -11.458
Traceless
 xyz
x 0.985 4.073 0.000
y 4.073 -1.334 0.000
z 0.000 0.000 0.349
Polar
3z2-r20.697
x2-y21.546
xy4.073
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.741 0.435 0.000
y 0.435 2.292 0.000
z 0.000 0.000 1.652


<r2> (average value of r2) Å2
<r2> 20.692
(<r2>)1/2 4.549