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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-131.570905
Energy at 298.15K 
HF Energy-131.570905
Nuclear repulsion energy39.467755
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 HSEh1PBE/6-31G*
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' 3809 3622 29.49 65.99 0.31 0.47
2 A' 3456 3286 3.14 107.88 0.13 0.22
3 A' 1722 1637 17.33 12.73 0.57 0.72
4 A' 1457 1385 23.50 5.19 0.74 0.85
5 A' 1198 1140 148.75 3.19 0.74 0.85
6 A' 993 945 12.99 11.26 0.18 0.31
7 A" 3551 3377 1.01 63.84 0.75 0.86
8 A" 1369 1302 0.02 10.42 0.75 0.86
9 A" 429 408 195.79 4.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8991.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 8551.1 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 HSEh1PBE/6-31G*
ABC
6.37780 0.86321 0.86315

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.698 0.000
O2 -0.011 -0.730 0.000
H3 -0.956 -0.932 0.000
H4 0.561 0.940 0.810
H5 0.561 0.940 -0.810

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42801.88421.02011.0201
O21.42800.96601.94161.9416
H31.88420.96602.54142.5414
H41.02011.94162.54141.6190
H51.02011.94162.54141.6190

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.096 O2 N1 H4 103.702
O2 N1 H5 103.702 H4 N1 H5 105.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.527      
2 O -0.562      
3 H 0.426      
4 H 0.331      
5 H 0.331      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.158 0.545 0.000 0.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.780 3.894 0.000
y 3.894 -12.417 0.000
z 0.000 0.000 -11.356
Traceless
 xyz
x 1.106 3.894 0.000
y 3.894 -1.349 0.000
z 0.000 0.000 0.242
Polar
3z2-r20.485
x2-y21.637
xy3.894
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.644 0.456 0.000
y 0.456 2.166 0.000
z 0.000 0.000 1.598


<r2> (average value of r2) Å2
<r2> 20.356
(<r2>)1/2 4.512