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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-131.514017
Energy at 298.15K 
HF Energy-131.514017
Nuclear repulsion energy38.705984
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 PBE1PBE/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' 3692 3529 17.53 77.52 0.32 0.49
2 A' 3476 3323 0.59 114.60 0.13 0.23
3 A' 1715 1640 22.99 13.87 0.59 0.74
4 A' 1399 1338 35.36 6.81 0.70 0.82
5 A' 1098 1050 162.09 4.75 0.75 0.86
6 A' 864 826 30.11 17.72 0.12 0.21
7 A" 3607 3448 0.02 57.47 0.75 0.86
8 A" 1305 1247 0.29 12.15 0.75 0.86
9 A" 475 454 266.86 9.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8815.8 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 8427.0 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 PBE1PBE/6-31G
ABC
6.38226 0.82144 0.81525

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.006 0.717 0.000
O2 -0.006 -0.750 0.000
H3 -0.954 -0.974 0.000
H4 0.519 0.980 0.833
H5 0.519 0.980 -0.833

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.46711.93921.01871.0187
O21.46710.97491.99041.9904
H31.93920.97492.58502.5850
H41.01871.99042.58501.6660
H51.01871.99042.58501.6660

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 103.295 O2 N1 H4 104.960
O2 N1 H5 104.960 H4 N1 H5 109.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.507      
2 O -0.547      
3 H 0.401      
4 H 0.326      
5 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.103 0.758 0.000 0.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.159 4.441 0.000
y 4.441 -12.439 0.000
z 0.000 0.000 -11.227
Traceless
 xyz
x 0.674 4.441 0.000
y 4.441 -1.246 0.000
z 0.000 0.000 0.572
Polar
3z2-r21.144
x2-y21.280
xy4.441
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.460 0.512 0.000
y 0.512 2.244 0.000
z 0.000 0.000 1.405


<r2> (average value of r2) Å2
<r2> 21.056
(<r2>)1/2 4.589