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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B2PLYP=FULLultrafine/3-21G*

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=FULLultrafine/3-21G*
 hartrees
Energy at 0K-130.808230
Energy at 298.15K 
HF Energy-130.729303
Nuclear repulsion energy37.807364
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=FULLultrafine/3-21G*
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' 3485 3485 4.29 78.77 0.36 0.53
2 A' 3311 3311 2.71 114.81 0.14 0.24
3 A' 1710 1710 15.79 16.58 0.53 0.69
4 A' 1392 1392 19.70 10.15 0.72 0.84
5 A' 1129 1129 138.39 3.20 0.64 0.78
6 A' 907 907 9.69 15.75 0.13 0.23
7 A" 3412 3412 7.13 63.45 0.75 0.86
8 A" 1269 1269 0.00 13.46 0.75 0.86
9 A" 393 393 225.18 10.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8503.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8503.5 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=FULLultrafine/3-21G*
ABC
6.04217 0.77788 0.77651

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.010 0.745 0.000
O2 -0.010 -0.774 0.000
H3 -0.989 -0.943 0.000
H4 0.569 0.958 0.826
H5 0.569 0.958 -0.826

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.51881.95201.03081.0308
O21.51880.99402.00432.0043
H31.95200.99402.59352.5935
H41.03082.00432.59351.6523
H51.03082.00432.59351.6523

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 99.827 O2 N1 H4 101.938
O2 N1 H5 101.938 H4 N1 H5 106.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.466      
2 O -0.469      
3 H 0.361      
4 H 0.287      
5 H 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.214 0.647 0.000 0.682
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.557 4.051 -0.003
y 4.051 -12.283 -0.006
z -0.003 -0.006 -11.138
Traceless
 xyz
x 1.154 4.051 -0.003
y 4.051 -1.436 -0.006
z -0.003 -0.006 0.282
Polar
3z2-r20.564
x2-y21.727
xy4.051
xz-0.003
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.453 0.593 0.001
y 0.593 2.122 0.001
z 0.001 0.001 1.316


<r2> (average value of r2) Å2
<r2> 21.468
(<r2>)1/2 4.633