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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBEPBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-131.599678
Energy at 298.15K 
HF Energy-131.599678
Nuclear repulsion energy38.849437
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/aug-cc-pVDZ
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' 3686 3663 31.31 68.84 0.20 0.33
2 A' 3323 3302 5.84 137.70 0.08 0.14
3 A' 1588 1578 11.17 6.03 0.49 0.66
4 A' 1350 1342 21.37 3.50 0.17 0.29
5 A' 1117 1110 114.40 1.65 0.12 0.21
6 A' 886 880 12.18 8.18 0.23 0.38
7 A" 3407 3386 0.34 62.60 0.75 0.86
8 A" 1285 1278 0.01 3.29 0.75 0.86
9 A" 388 385 151.37 0.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8514.5 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 8462.5 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 PBEPBE/aug-cc-pVDZ
ABC
6.22012 0.83361 0.83256

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.012 0.713 0.000
O2 -0.012 -0.743 0.000
H3 -0.966 -0.942 0.000
H4 0.574 0.949 0.816
H5 0.574 0.949 -0.816

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45641.91041.03171.0317
O21.45640.97441.96791.9679
H31.91040.97442.57142.5714
H41.03171.96792.57141.6321
H51.03171.96792.57141.6321

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.771 O2 N1 H4 103.212
O2 N1 H5 103.212 H4 N1 H5 104.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.130      
2 O -0.396      
3 H 0.138      
4 H 0.064      
5 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.140 0.528 0.000 0.546
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.642 3.713 0.000
y 3.713 -13.163 0.000
z 0.000 0.000 -12.119
Traceless
 xyz
x 0.999 3.713 0.000
y 3.713 -1.283 0.000
z 0.000 0.000 0.284
Polar
3z2-r20.567
x2-y21.521
xy3.713
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.865 0.271 0.000
y 0.271 3.353 0.000
z 0.000 0.000 2.626


<r2> (average value of r2) Å2
<r2> 21.281
(<r2>)1/2 4.613