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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-131.584735
Energy at 298.15K 
HF Energy-131.584735
Nuclear repulsion energy38.837081
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 PBEPBE/6-31+G**
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' 3707 3664 38.84 50.78 0.28 0.43
2 A' 3347 3308 4.23 108.67 0.11 0.19
3 A' 1624 1605 21.59 7.01 0.72 0.84
4 A' 1354 1339 24.93 3.35 0.31 0.48
5 A' 1114 1101 127.35 2.44 0.14 0.24
6 A' 886 876 13.79 12.17 0.25 0.40
7 A" 3440 3401 0.68 63.87 0.75 0.86
8 A" 1288 1273 0.02 7.23 0.75 0.86
9 A" 432 427 196.56 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8594.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 8496.9 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 PBEPBE/6-31+G**
ABC
6.23292 0.83173 0.83169

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.713 0.000
O2 -0.011 -0.744 0.000
H3 -0.966 -0.943 0.000
H4 0.566 0.952 0.819
H5 0.566 0.952 -0.819

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45761.91201.02971.0297
O21.45760.97511.96961.9696
H31.91200.97512.57042.5704
H41.02971.96962.57041.6379
H51.02971.96962.57041.6379

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.772 O2 N1 H4 103.375
O2 N1 H5 103.375 H4 N1 H5 105.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.638      
2 O -0.341      
3 H 0.356      
4 H 0.311      
5 H 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.174 0.607 0.000 0.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.596 4.149 0.000
y 4.149 -13.254 0.000
z 0.000 0.000 -12.024
Traceless
 xyz
x 1.044 4.149 0.000
y 4.149 -1.444 0.000
z 0.000 0.000 0.400
Polar
3z2-r20.801
x2-y21.659
xy4.149
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.297 0.223 0.000
y 0.223 2.800 0.000
z 0.000 0.000 2.188


<r2> (average value of r2) Å2
<r2> 21.288
(<r2>)1/2 4.614